# MOD4 vs AI Progress

The clearest difference is update cadence: MOD4 at every 4 months against AI Progress's every 13 months. MOD4 also leads on iOS requirement (11.0 vs 13.0). 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.

MOD4 ships an update every 4 months, AI Progress every 13 months. The most recent releases landed on May 17, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | MOD4 | AI Progress |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Size | 46 MB | 131 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMG Sicurezza Italia S.R.L.S.](https://appshunter.io/developer/1495771178) | [SICURIT ALARMITALIA SPA](https://appshunter.io/developer/931817129) |

## What reviewers say

### MOD4

[App page](https://appshunter.io/ios/app/mod4/id6443628227)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Progress

[App page](https://appshunter.io/ios/app/ai-progress/id6480490805)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MOD4 free?

MOD4 is free to download, with no in-app purchases.

### Is AI Progress free?

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

### Do MOD4 or AI Progress have ads?

Neither MOD4 nor AI Progress shows ads.

### Which is updated more often, MOD4 or AI Progress?

MOD4 ships an update every 4 months, and AI Progress every 13 months. Most recently, MOD4 was updated on May 17, 2026 and AI Progress on June 5, 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.*