# ISK vs IIFF

The clearest difference is ads: IIFF at none against ISK's shown. On price, update cadence, 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.

ISK ships an update fortnightly, IIFF every 2 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ISK | IIFF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 37 MB | 20 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EQLEM YAZILIM](https://appshunter.io/developer/1625674454) | [MOSFED](https://appshunter.io/developer/1871388896) |

## What reviewers say

### ISK

[App page](https://appshunter.io/ios/app/isk-sodex/id1663779317)

**Features:** macOS Compatibility

**In-app purchases:** none


### IIFF

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

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

**In-app purchases:** none


## Frequently asked questions

### Is ISK free?

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

### Is IIFF free?

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

### Do ISK or IIFF have ads?

ISK shows ads; IIFF does not.

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

ISK ships an update fortnightly, and IIFF every 2 weeks. Most recently, ISK was updated on October 12, 2026 and IIFF on October 10, 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.*