# Problem Solving MFG vs Ridan

The clearest difference is iOS requirement: Problem Solving MFG at 13.0 against Ridan's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Problem Solving MFG sells 1 in-app purchase, starting at $142.99 per year and Ridan sells 19 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Problem Solving MFG ships an update every 3 weeks, Ridan every 2 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Problem Solving MFG | Ridan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 34 MB | 30 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Lionel Moss](https://appshunter.io/developer/1806356846) | [Good Dopamine Technologies Private Limited](https://appshunter.io/developer/1702065642) |

## What reviewers say

### Problem Solving MFG

[App page](https://appshunter.io/ios/app/problem-solving-mfg/id6503246775)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $142.99 | per year |


### Ridan

[App page](https://appshunter.io/ios/app/ridan-stop-scrolling/id6744104513)

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Individual Month plan | $4.99 | per month |
| Family Plan Monthly | $9.99 | per month |
| Individual Year Plan | $29.99 | per year |
| Annual | $35.90 | per year |
| 1 Device Annual | $35.99 | per year |
| Family plan Annual | $49.99 | per year |
| 4 Device Annual | $143.99 | per year |
| 5 Device Annual | $179.99 | per year |
| 6 Device Annual | $214.99 | per year |
| Focus Unlock | $0.99 | one-time |
| Lock with money 30 | $1.00 | one-time |
| unlock for 1hour | $3.00 | one-time |
| unlock 2hours | $5.00 | one-time |
| $5 worth credits | $5.99 | one-time |
| unlock forever | $10.00 | one-time |
| $10 worth credits | $12.99 | one-time |
| $50 worth Credits | $50.99 | one-time |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Problem Solving MFG free?

Problem Solving MFG is free to download, with in-app purchases available.

### Is Ridan free?

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

### Do Problem Solving MFG or Ridan have ads?

Neither Problem Solving MFG nor Ridan shows ads.

### Which is updated more often, Problem Solving MFG or Ridan?

Problem Solving MFG ships an update every 3 weeks, and Ridan every 2 weeks. Most recently, Problem Solving MFG was updated on October 2, 2026 and Ridan on October 8, 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.*