# NanoTubAR vs esTOCma

The clearest difference is update cadence: esTOCma at every 2 weeks against NanoTubAR's every 59 months. esTOCma also leads on iOS requirement (13.0 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.

NanoTubAR ships an update every 59 months, esTOCma every 2 weeks. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NanoTubAR | esTOCma |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 121 MB | 71 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MD. USE INNOVATIONS SL](https://appshunter.io/developer/1292343455) | [Gemma Garcia Soriano](https://appshunter.io/developer/1604651649) |

## What reviewers say

### NanoTubAR

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

**In-app purchases:** none


### esTOCma

[App page](https://appshunter.io/ios/app/estocma/id1604651647)

Learn about obsessive-compulsive disorder (OCD) through an engaging game. Over approximately 10 days, users can combat stigma and gain knowledge about OCD in short daily sessions. This app is part of a research project to improve understanding and intervention strategies.

**Highlights:** Learn about OCD through gameplay, Combat stigma with knowledge, 10-day mission structure, Short daily play sessions (2-10 minutes), Research project integration, Data collection for improved interventions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NanoTubAR free?

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

### Is esTOCma free?

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

### Do NanoTubAR or esTOCma have ads?

Neither NanoTubAR nor esTOCma shows ads.

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

NanoTubAR ships an update every 59 months, and esTOCma every 2 weeks. Most recently, NanoTubAR was updated on October 27, 2026 and esTOCma 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.*