# COM vs NanoTubAR

The clearest difference is update cadence: COM at every 3 months against NanoTubAR's every 59 months. COM also leads on iOS requirement (16.0 vs 18.6). 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.

COM ships an update every 3 months, NanoTubAR every 59 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | COM | NanoTubAR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 59 months |
| Size | 2 MB | 121 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eduardo Galembeck](https://appshunter.io/developer/421224798) | [MD. USE INNOVATIONS SL](https://appshunter.io/developer/1292343455) |

## What reviewers say

### COM

[App page](https://appshunter.io/ios/app/com-oxygen-consumption/id820289539)

**Features:** macOS Compatibility

**In-app purchases:** none


### NanoTubAR

[App page](https://appshunter.io/ios/app/nanotubar/id1549708302)

**In-app purchases:** none


## Frequently asked questions

### Is COM free?

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

### Is NanoTubAR free?

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

### Do COM or NanoTubAR have ads?

Neither COM nor NanoTubAR shows ads.

### Which is updated more often, COM or NanoTubAR?

COM ships an update every 3 months, and NanoTubAR every 59 months. Most recently, COM was updated on November 13, 2026 and NanoTubAR on November 7, 2026.

---

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