# ECA 3D vs M2Kit

The clearest difference is in-app purchases: ECA 3D at none against M2Kit's 1. ECA 3D also leads on iOS requirement (13.0 vs 18.6). M2Kit's advantage is update cadence (every 2 days vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. M2Kit sells 1 in-app purchase, starting at $2.99 per month. ECA 3D asks for nothing beyond the download.

ECA 3D ships an update every 19 months, M2Kit every 2 days. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ECA 3D | M2Kit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 days** |
| Size | 27 MB | 55 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Evoltech Srl](https://appshunter.io/developer/1759414077) | [Takumu Hirohashi](https://appshunter.io/developer/1884874476) |

## What reviewers say

### ECA 3D

[App page](https://appshunter.io/ios/app/eca-3d/id6624305508)

**Features:** macOS Compatibility

**In-app purchases:** none


### M2Kit

[App page](https://appshunter.io/ios/app/m2kit/id6760541998)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProfitLens Premium | $2.99 | per month |


## Frequently asked questions

### Is ECA 3D free?

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

### Is M2Kit free?

M2Kit is free to download, with in-app purchases available.

### Do ECA 3D or M2Kit have ads?

Neither ECA 3D nor M2Kit shows ads.

### Which is updated more often, ECA 3D or M2Kit?

ECA 3D ships an update every 19 months, and M2Kit every 2 days. Most recently, ECA 3D was updated on October 1, 2026 and M2Kit on October 17, 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.*