# М2о2. 3D vs MindStack

The clearest difference is in-app purchases: М2о2. 3D at none against MindStack's 3. М2о2. 3D also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). MindStack's advantage is update cadence (fortnightly vs every 8 months). On price and device support there is nothing between them.

Both are free to download. MindStack sells 3 in-app purchases, starting at $2.99 per 7 days. М2о2. 3D asks for nothing beyond the download.

М2о2. 3D ships an update every 8 months, MindStack fortnightly. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | М2о2. 3D | MindStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 166 MB | 27 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [5AM LLC](https://appshunter.io/developer/1652515950) | [DMITRIY IVANOV](https://appshunter.io/developer/1229890011) |

## What reviewers say

### М2о2. 3D

[App page](https://appshunter.io/ios/app/22-3d/id1476550714)

**Features:** macOS Compatibility

**In-app purchases:** none


### MindStack

[App page](https://appshunter.io/ios/app/mindstack-pass-coding-screen/id6754540526)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NORA Sync – 1W | $2.99 | per 7 days |
| NORA Sync – 1M | $8.99 | per month |
| NORA Sync – 1W | $19.99 | per 3 months |


## Frequently asked questions

### Is М2о2. 3D free?

М2о2. 3D is free to download, with no in-app purchases.

### Is MindStack free?

MindStack is free to download, with in-app purchases available.

### Do М2о2. 3D or MindStack have ads?

MindStack shows ads; М2о2. 3D does not.

### Which is updated more often, М2о2. 3D or MindStack?

М2о2. 3D ships an update every 8 months, and MindStack fortnightly. Most recently, М2о2. 3D was updated on September 27, 2026 and MindStack on October 7, 2026.

---

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