# Whendy Fast Time Planner vs Plinth Priority Matrix

Whendy Fast Time Planner and Plinth Priority Matrix are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Whendy Fast Time Planner sells 1 one-off in-app purchase and Plinth Priority Matrix sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Whendy Fast Time Planner ships an update every 3 weeks, Plinth Priority Matrix fortnightly. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Whendy Fast Time Planner | Plinth Priority Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11 ratings)](https://appshunter.io/ios/app/whendy-fast-time-planner/id1455777940/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hannes Oud](https://appshunter.io/developer/956310490) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Whendy Fast Time Planner

[App page](https://appshunter.io/ios/app/whendy-fast-time-planner/id1455777940)

This app helps you avoid being late by calculating when to start each task for an event. Simply input your target completion time and the duration of each step, and it will provide a clear schedule.

**Highlights:** Calculate start times backwards from a target time, Input task durations, View start and end times for each step, Import events from calendar (Premium), Export activities to calendar (Premium), Share plans as formatted text

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


### 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 Whendy Fast Time Planner free?

Whendy Fast Time Planner is free to download, with in-app purchases available.

### Is Plinth Priority Matrix free?

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

### Do Whendy Fast Time Planner or Plinth Priority Matrix have ads?

Neither Whendy Fast Time Planner nor Plinth Priority Matrix shows ads.

### Which is updated more often, Whendy Fast Time Planner or Plinth Priority Matrix?

Whendy Fast Time Planner ships an update every 3 weeks, and Plinth Priority Matrix fortnightly. Most recently, Whendy Fast Time Planner was updated on September 8, 2026 and Plinth Priority Matrix on September 14, 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.*