# The Y Principle vs MoProblems

The clearest difference is in-app purchases: MoProblems at none against The Y Principle's 5. The Y Principle's advantage is device support (4 vs 2) and iOS requirement (14 vs 17.6). On price and ads there is nothing between them.

Both are free to download. The Y Principle sells 5 in-app purchases, starting at $5.99 per month. MoProblems asks for nothing beyond the download.

## The numbers

| Metric | The Y Principle | MoProblems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 44 MB | 21 MB |
| Requires iOS | **14** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [taskfabric ltd](https://appshunter.io/developer/719533762) | [Mohameth Seck](https://appshunter.io/developer/1269710356) |

## What reviewers say

### The Y Principle

[App page](https://appshunter.io/ios/app/the-y-principle/id1632870479)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Quarterly | $15.99 | per 3 months |
| Pro Yearly | $49.99 | per year |
| "Ask AI" Token Base Pack | $2.99 | one-time |
| "Ask AI" Token Big Pack | $7.99 | one-time |


### MoProblems

[App page](https://appshunter.io/ios/app/moproblems/id6745747420)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Y Principle free?

The Y Principle is free to download, with in-app purchases available.

### Is MoProblems free?

MoProblems is free to download, with no in-app purchases.

### Do The Y Principle or MoProblems have ads?

Neither The Y Principle nor MoProblems 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.*