# IMC21 vs ISTFA 2026

The clearest difference is device support: ISTFA 2026 at 3 against IMC21's 1. ISTFA 2026 also leads on iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | IMC21 | ISTFA 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 183 MB | 74 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [vFairs LLC](https://appshunter.io/developer/1349888986) | [Bravura Technologies LLC.](https://appshunter.io/developer/400931693) |

## What reviewers say

### IMC21

[App page](https://appshunter.io/ios/app/imc21/id6759277915)

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

**In-app purchases:** none


### ISTFA 2026

[App page](https://appshunter.io/ios/app/istfa-2026/id6803540129)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMC21 free?

IMC21 is free to download, with no in-app purchases.

### Is ISTFA 2026 free?

ISTFA 2026 is free to download, with no in-app purchases.

### Do IMC21 or ISTFA 2026 have ads?

Neither IMC21 nor ISTFA 2026 shows ads.

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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.*