# AboSIM vs Otterfile

The clearest difference is in-app purchases: AboSIM at none against Otterfile's 3. AboSIM also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Otterfile sells 3 in-app purchases, starting at $0.99 per month. AboSIM asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | AboSIM | Otterfile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 27 MB | 120 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Universe Action Limited](https://appshunter.io/developer/1575701044) | [宁 权](https://appshunter.io/developer/1710975082) |

## What reviewers say

### AboSIM

[App page](https://appshunter.io/ios/app/abosim/id1575701042)

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

**In-app purchases:** none


### Otterfile

[App page](https://appshunter.io/ios/app/otterfile/id6760924129)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month Purchase | $0.99 | per month |
| Year Purchase | $6.99 | per year |
| Lifetime Prucahse | $9.99 | one-time |


## Frequently asked questions

### Is AboSIM free?

AboSIM is free to download, with no in-app purchases.

### Is Otterfile free?

Otterfile is free to download, with in-app purchases available.

### Do AboSIM or Otterfile have ads?

Neither AboSIM nor Otterfile shows ads.

### Which is updated more often, AboSIM or Otterfile?

AboSIM ships an update every 2 months, and Otterfile every 2 months. Most recently, AboSIM was updated on October 18, 2026 and Otterfile on October 1, 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.*