# Doer vs Plinth Priority Matrix

The clearest difference is in-app purchases: Doer at none against Plinth Priority Matrix's 2. Doer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Plinth Priority Matrix sells 2 in-app purchases, starting at $9.99 per 7 days. Doer asks for nothing beyond the download.

Doer ships an update every 2 weeks, Plinth Priority Matrix fortnightly. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Doer | Plinth Priority Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 109 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Rahman Hamidy](https://appshunter.io/developer/1529761610) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Doer

[App page](https://appshunter.io/ios/app/doer-simple-goal-planner/id6739473059)

**Features:** macOS Compatibility

**In-app purchases:** none


### Plinth Priority Matrix

[App page](https://appshunter.io/ios/app/plinth-priority-matrix/id6773756209)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plinth Priority Matrix Weekly | $9.99 | per 7 days |
| Plinth Priority Matrix Yearly | $49.99 | per year |


## Frequently asked questions

### Is Doer free?

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

### Is Plinth Priority Matrix free?

Plinth Priority Matrix is free to download, with in-app purchases available.

### Do Doer or Plinth Priority Matrix have ads?

Neither Doer nor Plinth Priority Matrix shows ads.

### Which is updated more often, Doer or Plinth Priority Matrix?

Doer ships an update every 2 weeks, and Plinth Priority Matrix fortnightly. Most recently, Doer was updated on November 8, 2026 and Plinth Priority Matrix on November 5, 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.*