# SelfBest vs Quartrix

The clearest difference is update cadence: Quartrix at weekly against SelfBest's monthly. SelfBest's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SelfBest ships an update monthly, Quartrix weekly. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SelfBest | Quartrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 31 MB | 1 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SelfBest](https://appshunter.io/developer/1659996076) | [OOMOOL CREATIVE](https://appshunter.io/developer/954863654) |

## What reviewers say

### SelfBest

[App page](https://appshunter.io/ios/app/selfbest/id1659995774)

**Features:** Vision Pro support

**In-app purchases:** none


### Quartrix

[App page](https://appshunter.io/ios/app/quartrix-todo-for-balance/id6738711519)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SelfBest free?

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

### Is Quartrix free?

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

### Do SelfBest or Quartrix have ads?

Neither SelfBest nor Quartrix shows ads.

### Which is updated more often, SelfBest or Quartrix?

SelfBest ships an update monthly, and Quartrix weekly. Most recently, SelfBest was updated on October 11, 2026 and Quartrix on October 18, 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.*