# Zairos vs FlatIron by Ben

The clearest difference is device support: Zairos at 3 against FlatIron by Ben's 1. Zairos also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zairos ships an update every 9 days, FlatIron by Ben every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zairos | FlatIron by Ben |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 68 MB | 119 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Equals Money PLC](https://appshunter.io/developer/535756525) | [Thanks Ben Ltd](https://appshunter.io/developer/1693846876) |

## What reviewers say

### Zairos

[App page](https://appshunter.io/ios/app/zairos/id6677031569)

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

**In-app purchases:** none


### FlatIron by Ben

[App page](https://appshunter.io/ios/app/flatiron-by-ben/id6730125265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zairos free?

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

### Is FlatIron by Ben free?

FlatIron by Ben is free to download, with no in-app purchases.

### Do Zairos or FlatIron by Ben have ads?

Neither Zairos nor FlatIron by Ben shows ads.

### Which is updated more often, Zairos or FlatIron by Ben?

Zairos ships an update every 9 days, and FlatIron by Ben every 5 days. Most recently, Zairos was updated on October 23, 2026 and FlatIron by Ben on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*