Comparison

RestSim vs AskHeidi eSIM

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

Head to head
About

RestSim

Features
Read full description

RestSim helps travelers buy prepaid eSIM plans for trips abroad. Search a destination, choose country, regional, or global options, pay securely, and install the eSIM using a QR code or manual setup details. RestSim AI helps compare available travel eSIM options based on destination, trip length, data needs, calls, SMS, roaming, hotspot needs, and budget, so you can find a plan that fits your trip. Manage active eSIMs, view installation instructions, top up eligible plans, and contact support from the app. RestSim helps travelers avoid roaming surprises and stay connected abroad. Plan features such as coverage, speed, carrier availability, hotspot support, calls, SMS, roaming, and top-ups depend on the selected package, destination, device compatibility, and local network conditions.

About

AskHeidi eSIM

Features
Read full description

AskHeidi eSIM gives you instant mobile data in 195+ destinations — no roaming bills, no plastic SIM, no airport queues. BUY IN MINUTES Pick a country or a regional/global plan, pay with Apple Pay or card (secured by Stripe), and your eSIM arrives instantly in the app and by email. INSTALL IN ONE TAP On iPhone, install directly with a single tap — or scan the QR code from another device. STAY IN CONTROL Track your data live, see days remaining, and top up before you run out. Every plan lives in one wallet — active, upcoming, and finished. SAVE ON EVERY TRIP WELCOME35 — 35% off your first order. REPEAT10 — 10% off every eSIM and top-up after that. COVERAGE Local plans in 195+ destinations plus 11 regional & global plans across Europe, Asia, and beyond. Support: concierge@askheidi.ai · esim.askheidi.app/help

Screenshots

RestSim4 screens
AskHeidi eSIM4 screens

Verdict

The call

The clearest difference is update cadence: AskHeidi eSIM at daily against RestSim's fortnightly. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RestSim ships an update fortnightly, AskHeidi eSIM daily. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 5 level
RestSim versus AskHeidi eSIM: the parameters behind the verdict, then further details
ParameterRestSimAskHeidi eSIM
PriceFreeFree
Update frequencyFortnightlyDaily — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size114 MB83 MB
Age rating4+4+
DeveloperIsmail AbdiSwiss OpenAI GmbH

In-app purchases

None

RestSim

No in-app purchases

None

AskHeidi eSIM

No in-app purchases

Questions

Is RestSim free?
RestSim is free to download, with no in-app purchases.
Is AskHeidi eSIM free?
AskHeidi eSIM is free to download, with no in-app purchases.
Do RestSim or AskHeidi eSIM have ads?
Neither RestSim nor AskHeidi eSIM shows ads.
Which is updated more often, RestSim or AskHeidi eSIM?
RestSim ships an update fortnightly, and AskHeidi eSIM daily. Most recently, RestSim was updated on October 2, 2026 and AskHeidi eSIM on October 8, 2026.

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