# RestSim vs AskHeidi eSIM

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | RestSim | AskHeidi eSIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 114 MB | 83 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ismail Abdi](https://appshunter.io/developer/6777342455) | [Swiss OpenAI GmbH](https://appshunter.io/developer/6802823679) |

## What reviewers say

### RestSim

[App page](https://appshunter.io/ios/app/restsim-esim-data-call-sms/id6786134566)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AskHeidi eSIM

[App page](https://appshunter.io/ios/app/askheidi-esim/id6802823677)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*