# A1 Capstone vs CengAlgo

The clearest difference is in-app purchases: A1 Capstone at none against CengAlgo's 2. A1 Capstone also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.0). CengAlgo's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. CengAlgo sells 2 in-app purchases, starting at $12.99 per month. A1 Capstone asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | A1 Capstone | CengAlgo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 172 MB | 3 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [A1 Capital Yatırım Menkul Değerler](https://appshunter.io/developer/1240187843) | [Burak Gemiciolu](https://appshunter.io/developer/6804560919) |

## What reviewers say

### A1 Capstone

[App page](https://appshunter.io/ios/app/a1-capstone/id6748385522)

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

**In-app purchases:** none


### CengAlgo

[App page](https://appshunter.io/ios/app/cengalgo/id6805105663)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aylık Üyelik | $12.99 | per month |
| Yıllık Üyelik | $129.99 | per year |


## Frequently asked questions

### Is A1 Capstone free?

A1 Capstone is free to download, with no in-app purchases.

### Is CengAlgo free?

CengAlgo is free to download, with in-app purchases available.

### Do A1 Capstone or CengAlgo have ads?

A1 Capstone shows ads; CengAlgo does not.

### Which is updated more often, A1 Capstone or CengAlgo?

A1 Capstone ships an update every 3 weeks, and CengAlgo every 3 weeks. Most recently, A1 Capstone was updated on October 11, 2026 and CengAlgo on October 14, 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.*