Best Travel eSIM: PennySim vs Airalo vs Holafly vs Nomad
Compare the top eSIM providers side by side. See how they stack up on price, coverage, speed, and ease of use.
Quick Comparison
Not all eSIMs are created equal. Here's how the top 4 providers compare across the metrics that matter.
| Feature | PennySim Best Value | Airalo | Holafly | Nomad |
|---|---|---|---|---|
| Starting price | $0.60/GB | $4.00/1GB | ~$6.90/day | $4.50/1GB |
| Countries covered | 190+ | 200+ | 200+ | 200+ |
| Data type | Flexible GB packs | Flexible GB packs | "Unlimited" (throttled) | Flexible GB packs |
| 5G support | ||||
| App required | ||||
| Instant activation | ||||
| Calls & SMS | Data only | Select plans | Data only | Data only |
| Tethering/hotspot |
Price Comparison: Japan
Japan is one of the most popular eSIM destinations. Here's what you'd pay with each provider.
| Plan size | PennySim | Airalo | Holafly | Nomad |
|---|---|---|---|---|
| 1 GB | ~$0.60 | $4.00 | N/A | ~$4.50 |
| 5 GB | ~$3.00 | $10.00 | N/A | ~$5.50 |
| 10 GB | ~$6.00 | $25.00 | N/A | ~$11.00 |
| 7 days unlimited | N/A | $23.00 | ~$48.30 | N/A |
PennySim is up to 85% cheaper than Airalo on comparable data packs. Holafly's "unlimited" plans cost more and throttle speeds after 2-5GB daily usage.
Provider Details
PennySim
- Lowest per-GB pricing, starting at $0.60/GB
- No app required — buy and activate from the web
- 190+ countries with multiple operator options
- 4G/5G on local networks, transparent pricing
Best for travelers who know how much data they need and want the lowest price. Perfect for short trips and budget-conscious travelers.
Airalo
- Largest marketplace with 200+ countries
- Strong app experience
- 3-6x more expensive per GB ($2-4/GB)
- App required for purchase
Best for travelers who want an all-in-one app and don't mind paying a premium for brand recognition.
Holafly
- Simple flat daily rate
- No need to track usage (in theory)
- Throttles to <1 Mbps after 2-5GB/day
- Most expensive for light-moderate users
Best for heavy data users who stream video all day and don't mind slower speeds after hitting the soft cap.
Nomad
- Competitive pricing in Asia (~$1.10/GB)
- Good regional plan options
- Higher prices outside Asia (~$2.30/GB)
- Less known brand, limited support
Best for Asia travelers on a budget who want a solid alternative.
The Verdict
If you're looking for the cheapest eSIM data, PennySim wins. At $0.60/GB, it's 3-6x cheaper than Airalo and Nomad.
| Your priority | Best choice |
|---|---|
| Lowest price | PennySim |
| "Unlimited" data | Holafly (with caveats) |
| Brand recognition | Airalo |
| Asia budget travel | PennySim or Nomad |
| No app needed | PennySim |
Ready to save on your next trip?
Instant activation for 190+ countries, starting at $0.60/GB. No app download needed.
Japan eSIM Guide
Plans, coverage & tips
Thailand eSIM Guide
Plans, coverage & tips
USA eSIM Guide
Plans, coverage & tips
Last updated: March 2026. Prices sourced from each provider's website and may vary.