# chro.mono 2 vs AirPolygon AR

The clearest difference is update cadence: AirPolygon AR at every 2 months against chro.mono 2's every 47 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.

chro.mono 2 ships an update every 47 months, AirPolygon AR every 2 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | chro.mono 2 | AirPolygon AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 2 months** |
| Size | 6 MB | 23 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [thp.io](https://appshunter.io/developer/482611297) | [kitamura hira](https://appshunter.io/developer/324426988) |

## What reviewers say

### chro.mono 2

[App page](https://appshunter.io/ios/app/chromono-2/id1378253641)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirPolygon AR

[App page](https://appshunter.io/ios/app/airpolygon-ar/id1489165937)

**In-app purchases:** none


## Frequently asked questions

### Is chro.mono 2 free?

chro.mono 2 is free to download, with no in-app purchases.

### Is AirPolygon AR free?

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

### Do chro.mono 2 or AirPolygon AR have ads?

Neither chro.mono 2 nor AirPolygon AR shows ads.

### Which is updated more often, chro.mono 2 or AirPolygon AR?

chro.mono 2 ships an update every 47 months, and AirPolygon AR every 2 months. Most recently, chro.mono 2 was updated on October 26, 2026 and AirPolygon AR on October 28, 2026.

---

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