# ADHD Timer Collection vs On

The clearest difference is review sentiment: On at 100% against ADHD Timer Collection's 50%. On also leads on rating (5.0 vs 4.3). ADHD Timer Collection's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, 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.

On holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 50% of ADHD Timer Collection's written reviews are positive against 100% of On's.

## The numbers

| Metric | ADHD Timer Collection | On |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/adhd-timer-collection/id6634579526/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/on-time-calculator/id6764490984/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | Free |
| Size | 57 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [PAUL CRIMES](https://appshunter.io/developer/1762676841) | [Yuen Jing Liu](https://appshunter.io/developer/1895804293) |

## What reviewers say

### ADHD Timer Collection

[App page](https://appshunter.io/ios/app/adhd-timer-collection/id6634579526)

This app offers a suite of specialized timers and visual tools designed to help neurodivergent individuals manage time blindness and hyperfocus. It provides a flexible, friction-free approach to productivity, breaking down tasks and offering gentle guidance for transitions and rest.

**Highlights:** Visual Linear Clock, Predictive Session Map, No-Nag Co-Pilot with spoken alerts, 12 Specialized Time Views, Optimized Work Ratios, Zen Mode for distraction-free focus

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

**In-app purchases:** none


### On

[App page](https://appshunter.io/ios/app/on-time-calculator/id6764490984)

This app calculates the optimal alarm time by factoring in your morning routine, commute, and buffer time for unexpected delays. Simply input your preparation duration, travel time, and desired arrival, and it instantly provides the perfect wake-up call.

**Highlights:** Calculate alarm time, Input routine duration, Input commute time, Add buffer time, Intuitive interface, Copy time to clipboard

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ADHD Timer Collection free?

ADHD Timer Collection is free to download, with no in-app purchases.

### Is On free?

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

### Which has better reviews, ADHD Timer Collection or On?

On is rated higher. ADHD Timer Collection averages 4.3 out of 5 from 3 ratings, while On averages 5.0 from 2 ratings.

### Do ADHD Timer Collection or On have ads?

Neither ADHD Timer Collection nor On shows ads.

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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.*