# CPAT vs AEC 2025

The clearest difference is update cadence: AEC 2025 at every 2 days against CPAT's every 6 weeks. 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.

CPAT ships an update every 6 weeks, AEC 2025 every 2 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CPAT | AEC 2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 452 MB | 78 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [University of Birmingham](https://appshunter.io/developer/501344927) | [Keynote Conference Services Limited](https://appshunter.io/developer/1404361800) |

## What reviewers say

### CPAT

[App page](https://appshunter.io/ios/app/cpat/id6464380537)

**In-app purchases:** none


### AEC 2025

[App page](https://appshunter.io/ios/app/aec-2025/id6748402966)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CPAT free?

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

### Is AEC 2025 free?

AEC 2025 is free to download, with no in-app purchases.

### Do CPAT or AEC 2025 have ads?

Neither CPAT nor AEC 2025 shows ads.

### Which is updated more often, CPAT or AEC 2025?

CPAT ships an update every 6 weeks, and AEC 2025 every 2 days. Most recently, CPAT was updated on October 18, 2026 and AEC 2025 on October 7, 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.*