# ADHD Task vs Stack

The clearest difference is update cadence: Stack at every 6 days against ADHD Task's every 7 months. Stack also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ADHD Task sells 3 in-app purchases, starting at $3.99 per 7 days and Stack sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ADHD Task ships an update every 7 months, Stack every 6 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ADHD Task | Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Size | 22 MB | 62 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [Naveen Senapathi](https://appshunter.io/developer/1889130875) |

## What reviewers say

### ADHD Task

[App page](https://appshunter.io/ios/app/adhd-task-schedule-reminders/id6751175764)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access For Weekly | $3.99 | per 7 days |
| All Access For A Year | $39.99 | per year |
| All Access For LifeTime | $99.99 | one-time |


### Stack

[App page](https://appshunter.io/ios/app/stack-routine-tracker/id6761363465)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Pro Monthly | $3.99 | per month |
| Stack Pro Annual | $39.99 | per year |
| Stack Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is ADHD Task free?

ADHD Task is free to download, with in-app purchases available.

### Is Stack free?

Stack is free to download, with in-app purchases available.

### Do ADHD Task or Stack have ads?

Neither ADHD Task nor Stack shows ads.

### Which is updated more often, ADHD Task or Stack?

ADHD Task ships an update every 7 months, and Stack every 6 days. Most recently, ADHD Task was updated on October 24, 2026 and Stack on October 13, 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.*