# IIFF vs ZUCHEX

The clearest difference is iOS requirement: IIFF at 15.1 against ZUCHEX's 17.4. On price, update cadence, 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.

IIFF ships an update every 2 weeks, ZUCHEX weekly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | IIFF | ZUCHEX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 20 MB | 143 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [MOSFED](https://appshunter.io/developer/1871388896) | [Informa Markets](https://appshunter.io/developer/1464716030) |

## What reviewers say

### IIFF

[App page](https://appshunter.io/ios/app/iiff/id6739048295)

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

**In-app purchases:** none


### ZUCHEX

[App page](https://appshunter.io/ios/app/zuchex/id6748456876)

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

**In-app purchases:** none


## Frequently asked questions

### Is IIFF free?

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

### Is ZUCHEX free?

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

### Do IIFF or ZUCHEX have ads?

Neither IIFF nor ZUCHEX shows ads.

### Which is updated more often, IIFF or ZUCHEX?

IIFF ships an update every 2 weeks, and ZUCHEX weekly. Most recently, IIFF was updated on September 23, 2026 and ZUCHEX on September 17, 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.*