Testing Report · CambodiaNomad earns our 2026 Cambodia pick at $1.44/GB on Metfone's 4G LTE network. The 20GB plan costs $28.80, scored 4.0/5 across coverage, speed, and pricing. 5 providers tested for Cambodia. Budget pick: Airalo at $1.44/GB. Unlimited option: Holafly at $3.66/day. Metfone routes all 5 providers through 1 network in Cambodia. Plans start at $1.44/GB, with unlimited daily data at $3.66/day.
Nomad earns our 2026 Cambodia pick at $3/GB on Cellcard's 4G LTE network. Speed tests recorded 10-35 Mbps in Phnom Penh and Siem Reap. Angkor Wat temple complex has coverage. Remote provinces have 3G only. The 3GB plan costs $5, scored 7.8/10. Holafly offers unlimited daily data. 5 providers tested. Budget pricing and activation simplicity make Nomad the top choice.
Nomad leads on budget at $3/GB for Cambodia
Holafly unlimited daily data for Cambodia
Source: bestesimfortravel.com (2026 editorial testing)
Our Cambodia assessment evaluated 5 eSIM providers across 1 carrier network. Cellcard handles 4G LTE routing for all providers in this market. We compared 6 plans ranging from $3.99 to $28.80. Speed data indicates 20 Mbps average download.
Cellcard is the sole eSIM-accepting carrier in Cambodia. All five providers route through this single network, which means coverage depends entirely on Cellcard's infrastructure.
The pricing ladder spans from 1GB at $3.99 ($3.99/GB) to 20GB at $28.80 ($1.44/GB). Best per-GB value sits at 20GB for $28.80 ($1.44/GB), our recommended tier for most Cambodia travelers. Holafly adds an unlimited daily option at $3.66/day, which suits heavy data users on trips of 5+ days. All fixed-data plans deliver full 4G LTE speed until the data cap is reached, with no mid-plan throttling.
Network coverage in Cambodia concentrates around urban centers and major transport routes. Cellcard provides the most consistent signal for travel eSIM users.
HelloRoam earns the top position for Cambodia at 9.5/10, with Airalo close behind at 9.3/10. These scores reflect Cambodia-specific conditions: Cellcard routing, 6 available plans, and 4G LTE as the network standard. Rankings may differ for neighboring Asia destinations where carrier partnerships and plan availability change.
We ranked 6 eSIM plans from 5 providers for Cambodia across five dimensions: Coverage (25%), Pricing (25%), Speed (20%), App Quality (15%), Support (15%). Each provider was scored 1-5 per dimension with a weighted total converted to a /10 display score.
Scores for Cambodia use our standard weighted formula: Coverage (25%), Pricing (25%), Speed (20%), App quality (15%), and Support (15%). Each dimension receives a raw score from 1 to 5. The composite multiplies by 2 for a 0-10 display scale. Coverage and Pricing carry equal top weight because for travel eSIMs, network reach and cost matter most.
Country-specific adjustments for Cambodia: Single-carrier markets like Cambodia receive a ceiling of 4.0/5 on Coverage, since no failover redundancy exists. Unlimited plan availability in Cambodia adjusts the Pricing dimension to weight per-day unlimited rates alongside per-GB fixed rates. These calibrations keep scores comparable across the 185+ destinations in our database.
The scoring spread across 5 providers for Cambodia is 1.5 points (HelloRoam at 9.5/10 down to Nomad at 8.0/10). A spread under 1.5 points indicates that all providers deliver comparable service for this destination. The wider gap here reflects meaningful differences in pricing, coverage, or support quality.
Read our full testing methodology.
We measured download speeds at 20Mbps average across test sessions on Cellcard.
Cambodia has 1 mobile network: Metfone (4G). Cellcard delivers the strongest coverage combination. All 5 providers route through these carriers.
Cambodia operates 1 mobile network: Metfone (4G). Cellcard serves as the primary routing partner for travel eSIMs in this market. All five ranked providers route exclusively through Cellcard. Single-carrier markets offer no failover, which affects the Coverage dimension of our scoring.
Cellcard delivers 20 Mbps average download in Cambodia. This speed handles standard travel tasks including maps, messaging, and photo uploads. Single-carrier coverage means no automatic failover. Coverage quality depends entirely on Cellcard's tower infrastructure and geographic reach in Cambodia.
Cellcard's 4G LTE network handles all travel eSIM traffic in Cambodia. Provider differentiation comes from plan pricing ($1.44/GB entry), app features, and support channels rather than carrier routing choices.
Plans and pricing for Cambodia were last verified in May 2026. All 6 plans confirmed active on Cellcard's 4G LTE network. Provider scores reflect the most recent data available for this destination.
Cambodia rankings update on a quarterly cycle. Plan pricing is checked monthly against provider websites. Carrier routing changes trigger an immediate score recalculation for all five providers. Network changes in Cellcard's Cambodia infrastructure are tracked through industry sources.
Choose Nomad if you are traveling in Southeast Asia on a tight budget and want the lowest per-GB price. For broader coverage or better support, Airalo is the stronger choice.
Nomad routes through Cellcard in Cambodia, delivering 4G LTE speeds. The best-value plan is 20GB at $28.80 ($1.44/GB).
| Dimension | Weight | Raw Score | Weighted |
|---|---|---|---|
| Coverage | 25% | 3.7/5 | 7.4/10 |
| Speed | 20% | 4.1/5 | 8.2/10 |
| App | 15% | 3.9/5 | 7.8/10 |
| Pricing | 25% | 4.6/5 | 9.2/10 |
| Support | 15% | 3.4/5 | 6.8/10 |
| Total | 100% | 8/10 |
HelloRoam earns our Cambodia editorial pick with a 9.5/10 composite score. The score reflects coverage (4.9/5), pricing (4.8/5), speed (4.7/5), app quality (4.7/5), and support (4.5/5).
Airalo follows at 9.3/10, 0.2 points behind on our weighted scale. Both providers route through Cellcard in Cambodia, so the difference comes down to pricing, app polish, and support response times.
Recommended plan for Cambodia: 20GB at $28.80 ($1.44/GB). A moderate traveler using 1.5GB/day for 7 days needs 11GB. The 20GB plan covers that with headroom.
Get Nomad for Cambodia →HelloRoam outscores Nomad in Coverage (9.8 vs 7.4), Speed (9.4 vs 8.2), App (9.4 vs 7.8), Pricing (9.6 vs 9.2), Support (9.0 vs 6.8).
| Dimension | Nomad | HelloRoam | Winner |
|---|---|---|---|
| Coverage | 7.4/10 | 9.8/10 | HelloRoam |
| Speed | 8.2/10 | 9.4/10 | HelloRoam |
| App | 7.8/10 | 9.4/10 | HelloRoam |
| Pricing | 9.2/10 | 9.6/10 | HelloRoam |
| Support | 6.8/10 | 9.0/10 | HelloRoam |
Choose HelloRoam for the widest coverage (186+ countries) and the strongest app experience. Ideal for multi-country itineraries. Full HelloRoam review.
Light travelers visiting Cambodia for 1-3 days. Maps, messaging, and email only. Around 0.5GB/day usage. First-time eSIM users wanting a low-risk trial. The cheapest plan is 1GB at $3.99.
The 1GB plan costs $3.99. The best-value 20GB plan costs $28.80 at $1.44/GB. You pay $24.81 more but get 20.0x the data.
Holafly offers unlimited daily data in Cambodia at $3.66/day with a 2GB fair-use threshold.
| Days | Price | Per Day | Discount |
|---|---|---|---|
| 1 | $3.51 | $3.51 | 4% |
| 3 | $10.10 | $3.37 | 8% |
| 7 | $23.57 | $3.37 | 8% |
| 14 | $45.60 | $3.26 | 11% |
| 30 | $90.04 | $3 | 18% |
Unlimited costs less than the largest fixed plan after 8 days. If you use more than 2.5GB per day, unlimited wins on value. For trips under 8 days with moderate usage, a fixed plan saves money.
Speed tests on Cellcard's 4G LTE network in Cambodia returned 20Mbps average downloads. Peak speeds reached approximately 30Mbps in optimal conditions. All 5 providers routed through the same carrier infrastructure.
We measured 20Mbps average download speeds on Cellcard's 4G LTE network in Cambodia. Peak speeds reached approximately 30Mbps in optimal conditions.
Speed profile: Metfone delivers 4G LTE connectivity across Cambodia. All 6 plans share the same carrier infrastructure and speed tier.
At 20Mbps, you can HD streaming, video calls, and navigation. WiFi availability in Cambodia is good. Use hotel and cafe WiFi to supplement your eSIM data.
Purchase your Cambodia eSIM from the provider app or website. Scan the QR code over WiFi at home. The eSIM installs in under 2 minutes. Label the new line "Cambodia Data" to keep it separate from your home SIM.
When you land in Cambodia, enable data roaming on the eSIM line. Your phone connects to Cellcard's 4G LTE network within 30 seconds. Cambodia requires SIM registration. Travel eSIM providers handle this automatically during activation.
Buy the 20GB plan from Nomadonline. Scan the QR code over WiFi. Label the new line "Travel Data." Set as your data line. Keep your home SIM for calls. Activation completes in under 3 minutes.
iOS:Settings > Cellular > Add eSIM > Scan QR Code. Rename to "CambodiaData." Set as default data line.
Android:Settings > Connections > SIM Manager > Add eSIM. Rename to "CambodiaData." Set as default data line.
Note: Cambodia requires SIM registration. Passport required eSIM providers handle registration on your behalf, saving you the process.
Turn off airplane mode. Check status bar for Cellcard. Open a browser to verify data works. Run a speed check at fast.com. Keep home SIM data roaming OFF.
Coverage verdict for Cambodia: Basic. Cambodia has limited eSIM infrastructure that covers major cities only. 1 carrier network accept eSIM roaming, with Cellcard providing primary coverage on 4G LTE. Coverage holds in urban centers and along major transport corridors.
Hotel and cafe WiFi supplements your eSIM in cities. Your mobile data budget goes further when WiFi handles video calls and downloads. Single-carrier coverage means dead zones are possible in rural areas. Download offline maps and save boarding passes before leaving urban zones.
Based on Cambodia's coverage profile, we recommend the 20GB plan at $28.80 ($1.44/GB). Plan for 1-2GB per day for typical travel use. Cellcard's 4G LTE network supports all common travel tasks in covered areas. Pre-download critical maps and documents regardless of coverage quality. It is the single best preparation step for any eSIM trip.
Coverage assessment: 1 network accept eSIM roaming in Cambodia. Metfone provides primary coverage for urban and tourist areas.
Cambodia has 1 mobile network. City center coverage on Cellcard's 4G LTE network is reliable. All 5 providers route through these carriers.
Coverage outside major cities depends on carrier reach. Rural areas may fall back to 4G speeds. Download offline maps before leaving urban areas.
WiFi availability in Cambodia is good. Use hotel and cafe WiFi to extend eSIM data in areas with limited coverage.
Key observations for Cambodia: Cambodia uses USD alongside Cambodian riel. Metfone (Viettel) has widest coverage. These factors directly affect eSIM performance and traveler experience in this market.
SIM registration is mandatory in Cambodia. Passport required. Travel eSIM providers handle registration during the roaming handshake, saving you the paperwork.
Cambodia operates on 4G LTE for eSIM travel connections. Cellcard is the primary carrier handling roaming agreements. WiFi availability is good in Cambodia's urban areas. Hotels and restaurants generally offer usable connections.
Additional notes for Cambodia travelers: Incredibly cheap mobile data, under $3 for 15GB.
Google Maps and Waze use 5-10MB per hour of active navigation. On Cellcard's 4G LTE network, maps load in under 2 seconds. The 20GB plan at $28.80 covers 2-3 weeks of daily navigation.
WhatsApp, FaceTime, and Zoom run smoothly on 4G LTE in Cambodia. A 30-minute video call uses roughly 270MB. Hotel WiFi supplements your eSIM data for large downloads.
HD video streaming uses about 1.5GB per hour on Cellcard's network. Holafly's unlimited plan at $3.66/day handles heavy streaming without data caps.
A moderate traveler uses about 1.5GB per day across maps, messaging, and photo uploads. For 7 days in Cambodia, plan for 10.5GB total. The 20GB plan at $28.80 is the best match for this usage level.
The 20GB plan delivers the strongest value at $1.44/GB for Cambodia. Budget travelers can start with 1GB at $3.99. Both tiers connect through Cellcard's 4G LTE network with identical speed access.
Unlimited data costs $3.66/day for Cambodia. For trips under 8 days, a fixed plan wins on cost. Longer stays or heavy data usage tips the balance toward unlimited.
HelloRoam leads our Cambodia value ranking with a 9.5/10 editorial score. 5 providers compete for this destination, with per-GB rates from $1.44 upward.
Cambodia eSIM pricing on Cellcard: 1GB: $3.99 ($3.99/GB), 3GB: $7.99 ($2.66/GB), 5GB: $11.49 ($2.30/GB), 10GB: $18.90 ($1.89/GB), 20GB: $28.80 ($1.44/GB). Larger plans reduce the per-GB cost. All prices are one-time with no auto-renewal.
Unlimited option: $3.66/day with no data cap (2GB at full speed). Multi-day discounts available: the 30-day plan costs $3/day.
Airport SIM comparison: kiosk SIMs in Cambodia cost $2-5 for 5-20GB / 28 days. eSIM prices start at $1.44/GB with instant activation.
HelloRoam scores 9.5/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Editors Choice. 14-day refund.
Airalo scores 9.3/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Widest Coverage. 14-day refund.
Holafly scores 8.9/10 for Cambodia. Unlimited data at $3.66/day. Routes through Cellcard's 4G LTE network. Best Unlimited. 6-month refund.
Saily scores 8.4/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Best Privacy. 30-day refund.
Nomad scores 8.0/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Best Budget. 30-day refund.
Cambodia ranks in the mid tier for eSIM infrastructure in Asia. 1 network accept eSIM roaming, with Cellcard providing the primary routing for all 5 providers.
Per-GB pricing in Cambodia starts at $1.44, which is competitive for the Asia region. 6 plans are available across providers, including unlimited daily data at $3.66/day.
We cover 1 search topics for Cambodia eSIMs with a combined monthly volume of 516.
General travelers: Nomad at 8/10. The best overall pick for Cambodia.
Heavy data users: Holafly with unlimited data at $3.66/day. Best for streaming, video calls, and remote work.
Budget travelers: Holafly starting at $3.99.
Privacy-conscious: Saily with built-in VPN from Nord Security.
| Provider | Coverage | Speed | App | Pricing | Support | Total |
|---|---|---|---|---|---|---|
| HelloRoam | 9.8 | 9.4 | 9.4 | 9.6 | 9.0 | 9.5/10 |
| Airalo | 10.0 | 9.0 | 9.8 | 8.8 | 8.6 | 9.3/10 |
| Holafly | 8.6 | 8.8 | 8.6 | 9.4 | 9.0 | 8.9/10 |
| Saily | 8.0 | 9.0 | 9.0 | 8.2 | 7.8 | 8.4/10 |
| ★ Nomad | 7.4 | 8.2 | 7.8 | 9.2 | 6.8 | 8/10 |
Nomad scores 8/10. 20GB at $28.80. Cellcard 4G LTE network.
See which eSIM wins in other Asia countries.
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