# Muuntaa vs The Robust Method

The clearest difference is in-app purchases: The Robust Method at none against Muuntaa's 3. Muuntaa's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Muuntaa sells 3 in-app purchases, starting at $5.49 per month. The Robust Method asks for nothing beyond the download.

Muuntaa ships an update fortnightly, The Robust Method every 3 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Muuntaa | The Robust Method |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 10 MB | 84 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hammer Invest Oy](https://appshunter.io/developer/1624849175) | [Step2Fit Oy](https://appshunter.io/developer/1495814873) |

## What reviewers say

### Muuntaa

[App page](https://appshunter.io/ios/app/muuntaa/id1624849173)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1kk | $5.49 | per month |
| Premium 3kk | $13.99 | per 3 months |
| Premium 12kk | $32.99 | per year |


### The Robust Method

[App page](https://appshunter.io/ios/app/the-robust-method/id6759639238)

**In-app purchases:** none


## Frequently asked questions

### Is Muuntaa free?

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

### Is The Robust Method free?

The Robust Method is free to download, with no in-app purchases.

### Do Muuntaa or The Robust Method have ads?

Neither Muuntaa nor The Robust Method shows ads.

### Which is updated more often, Muuntaa or The Robust Method?

Muuntaa ships an update fortnightly, and The Robust Method every 3 months. Most recently, Muuntaa was updated on October 2, 2026 and The Robust Method on October 3, 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.*