# SPM 4D Series vs Minha

The clearest difference is in-app purchases: SPM 4D Series at none against Minha's 2. SPM 4D Series also leads on iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Minha sells 2 in-app purchases, starting at $4.99 per month. SPM 4D Series asks for nothing beyond the download.

## The numbers

| Metric | SPM 4D Series | Minha |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 348 MB | 37 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Virtuocity Systems Sdn Bhd](https://appshunter.io/developer/1105959461) | [Nurulhuda Dini Norhamizi](https://appshunter.io/developer/6778652083) |

## What reviewers say

### SPM 4D Series

[App page](https://appshunter.io/ios/app/spm-4d-series-physics/id1105961397)

**Features:** macOS Compatibility

**In-app purchases:** none


### Minha

[App page](https://appshunter.io/ios/app/minha-lecture-journal/id6778652081)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Minha Pro (1 month) | $4.99 | per month |
| Minha Pro (1 year) | $29.99 | per year |


## Frequently asked questions

### Is SPM 4D Series free?

SPM 4D Series is free to download, with no in-app purchases.

### Is Minha free?

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

### Do SPM 4D Series or Minha have ads?

Neither SPM 4D Series nor Minha shows ads.

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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.*