# Whendy Fast Time Planner vs DualFlow

The clearest difference is in-app purchases: DualFlow at none against Whendy Fast Time Planner's 1. DualFlow also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Whendy Fast Time Planner sells 1 one-off in-app purchase. DualFlow asks for nothing beyond the download.

Whendy Fast Time Planner ships an update every 3 weeks, DualFlow weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Whendy Fast Time Planner | DualFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/whendy-fast-time-planner/id1455777940/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hannes Oud](https://appshunter.io/developer/956310490) | [Clayton Kardas](https://appshunter.io/developer/1769958385) |

## 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 |


### DualFlow

[App page](https://appshunter.io/ios/app/dualflow/id6711329951)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whendy Fast Time Planner free?

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

### Is DualFlow free?

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

### Do Whendy Fast Time Planner or DualFlow have ads?

Neither Whendy Fast Time Planner nor DualFlow shows ads.

### Which is updated more often, Whendy Fast Time Planner or DualFlow?

Whendy Fast Time Planner ships an update every 3 weeks, and DualFlow weekly. Most recently, Whendy Fast Time Planner was updated on October 24, 2026 and DualFlow on October 25, 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.*