Comparison

Whenn vs The One Thing

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Whenn

Features
Read full description

Note and share the companies you use with your next of kin. Order the paper pack and download the app. Use the start button to quickly enter the companies you use for your home and the banks, insurers and pension providers you use. No passwords, logins or account numbers. Once you've completed your Lists, share with next of kin. Edit and update as you switch providers or move home.

About

The One Thing

This app helps you cut through overwhelm by focusing your attention on a single, clear task at a time. It offers a calm, lightweight interface to reduce stress and distraction, making it ideal for those who benefit from simplified choices.

Highlights
  • Focus on one current task
  • Simple active task list
  • Task completion rewards
  • Progress tracking
  • Personalizable interface
  • Widgets for quick access
Features
Read full description

The One Thing helps you focus by cutting through overwhelm and bringing your attention back to one clear task at a time. Instead of juggling long to-do lists, you can keep a simple active list, choose what matters most and move forward with less stress and distraction. The app is designed to feel calm, lightweight and easy to use, especially for people who benefit from reducing choice overload. Features: - Focus on one current task - Keep a simple list of active tasks - Complete tasks with rewards - Review completed tasks over time - Personalise the experience with accessible font and interface options - Track progress with leaderboards - Use widgets for quick access to your current task Free users can create up to 10 active tasks. Pro unlocks unlimited tasks, editing, sorting, move-to-top and widgets. Whether you want more structure, less friction or a calmer way to stay on track, The One Thing is built to help you get started and keep going. -- Terms of use (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)

Screenshots

Whenn4 screens
The One Thing4 screens

Verdict

The call

The clearest difference is in-app purchases: Whenn at none against The One Thing's 2. The One Thing's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. The One Thing sells 2 in-app purchases, starting at $4.99 per month. Whenn asks for nothing beyond the download.

UpkeepUpdate frequency

Whenn ships an update every 8 days, The One Thing every 2 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

Scorecard2 real differences ยท 6 level
Whenn versus The One Thing: the parameters behind the verdict, then further details
ParameterWhennThe One Thing
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 8 days โ€” betterEvery 2 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
Monetizationโ€”Freemium
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.113.0 โ€” better
Further details โ€” not scored
Size21 MB12 MB
Age rating17+4+
DeveloperWhenn LimitedRyland

In-app purchases

None

Whenn

No in-app purchases

2 purchases

The One Thing

Subscriptions2
  • Premium Subscription 1 Month$4.991 Month
  • Premium Subscription 1 Year$49.991 Year

Questions

Is Whenn free?
Whenn is free to download, with no in-app purchases.
Is The One Thing free?
The One Thing is free to download, with in-app purchases available.
Do Whenn or The One Thing have ads?
Neither Whenn nor The One Thing shows ads.
Which is updated more often, Whenn or The One Thing?
Whenn ships an update every 8 days, and The One Thing every 2 weeks. Most recently, Whenn was updated on October 25, 2026 and The One Thing on October 7, 2026.

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