# ADHD Timer Collection vs Second Brain

The clearest difference is iOS requirement: ADHD Timer Collection at 12.0 against Second Brain's 17.6. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on July 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ADHD Timer Collection | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/adhd-timer-collection/id6634579526/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 68 MB | 2 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PAUL CRIMES](https://appshunter.io/developer/1762676841) | [Jikku Chacko](https://appshunter.io/developer/1882820555) |

## 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

**In-app purchases:** none


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-adhd-planner/id6760140172)

**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 Second Brain free?

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

### Do ADHD Timer Collection or Second Brain have ads?

Neither ADHD Timer Collection nor Second Brain shows ads.

### Which is updated more often, ADHD Timer Collection or Second Brain?

ADHD Timer Collection ships an update every 3 weeks, and Second Brain every 3 weeks. Most recently, ADHD Timer Collection was updated on July 9, 2026 and Second Brain on September 10, 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.*