Comparison

Heysim vs FlyData eSIM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Heysim

Features
Read full description

Heysim: Your Global Connectivity Companion Tired of expensive roaming charges and hunting for local Wi-Fi while traveling? Heysim provides instant access to affordable eSIM data plans in over 120 countries, ensuring you’re connected from the moment you land. Why choose Heysim? Instant Activation: Purchase and install your eSIM in seconds via QR code. No physical SIM card required. Global Coverage: From USA to Italy, France to Japan, we’ve got you covered with premium local networks. Flexible Credits: Use our integrated Wallet system to buy credits and redeem them for any data plan whenever you need. No Hidden Fees: Pay only for the data you need. No contracts, no surprises on your bill. Dual SIM Convenience: Keep your original SIM for calls and SMS while using Heysim for high-speed data. How it works: Download the Heysim app. Choose your destination and data plan. Install your eSIM. Enjoy high-speed internet immediately! Perfect for digital nomads, business travelers, and vacationers. Join the future of mobile connectivity with Heysim. Note: Your device must be eSIM compatible and carrier-unlocked.

About

FlyData eSIM

Access mobile data in over 200 countries without a physical SIM card. Purchase digital plans instantly via email and connect immediately upon installation. Enjoy prepaid, contract-free service with no roaming fees.

Highlights
  • Instant digital SIM delivery
  • Coverage in 200+ countries
  • No contracts or roaming fees
  • Prepaid plans
  • App-based plan management
  • Compatible with unlocked devices
Features
Read full description

FlyData Network gives you instant access to mobile data in 200+ countries — no physical SIM card needed. How it works: 1. Choose your destination and data plan 2. Purchase and receive your digital SIM instantly by email 3. Install on your phone and connect immediately Key Features: - Instant digital SIM delivery via email - Coverage in 200+ countries worldwide - No contracts, no roaming fees - Compatible with all unlocked devices - Prepaid plans — no surprises - Manage your plans from the app Perfect for travelers, business professionals, and anyone who needs reliable mobile data abroad without expensive roaming charges. Developed by FlyData Network LLC.

Screenshots

Heysim3 screens
FlyData eSIM4 screens

Verdict

The call

The clearest difference is in-app purchases: FlyData eSIM at none against Heysim's 3. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Heysim sells 3 one-off in-app purchases. FlyData eSIM asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Heysim versus FlyData eSIM: the parameters behind the verdict, then further details
ParameterHeysimFlyData eSIM
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequency—Fortnightly
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size20 MB18 MB
Age rating4+4+
DeveloperRiccardo BuonoParrot Phone Network

In-app purchases

3 purchases

Heysim

One-time3
  • 5$ Credit$4.99
  • 10$ Credit$9.99
  • 20$ Credit$19.99
None

FlyData eSIM

No in-app purchases

Questions

Is Heysim free?
Heysim is free to download, with in-app purchases available.
Is FlyData eSIM free?
FlyData eSIM is free to download, with no in-app purchases.
Do Heysim or FlyData eSIM have ads?
Neither Heysim nor FlyData eSIM shows ads.

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