# Simon CPA vs Control by Robin

The clearest difference is update cadence: Control by Robin at fortnightly against Simon CPA's every 33 months. 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.

Simon CPA ships an update every 33 months, Control by Robin fortnightly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Simon CPA | Control by Robin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Fortnightly** |
| Size | 1 MB | 73 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eran Malovani](https://appshunter.io/developer/1445437391) | [Robin pay Ltd](https://appshunter.io/developer/1533777958) |

## What reviewers say

### Simon CPA

[App page](https://appshunter.io/ios/app/simon-cpa/id1530717508)

**Features:** macOS Compatibility

**In-app purchases:** none


### Control by Robin

[App page](https://appshunter.io/ios/app/control-by-robin/id1658538770)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simon CPA free?

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

### Is Control by Robin free?

Control by Robin is free to download, with no in-app purchases.

### Do Simon CPA or Control by Robin have ads?

Neither Simon CPA nor Control by Robin shows ads.

### Which is updated more often, Simon CPA or Control by Robin?

Simon CPA ships an update every 33 months, and Control by Robin fortnightly. Most recently, Simon CPA was updated on October 12, 2026 and Control by Robin on October 4, 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.*