# The Stack vs Do3

The clearest difference is iOS requirement: Do3 at 17.0 against The Stack's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. The Stack sells 3 one-off in-app purchases and Do3 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

The Stack ships an update every 5 weeks, Do3 every 6 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | The Stack | Do3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-stack-notes-to-self/id6615075283/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 10 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad, Mac, Apple Watch | iPhone, iPad, Mac, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Elegant Chaos Limited](https://appshunter.io/developer/1212020544) | [ALLAN KEN MORROW](https://appshunter.io/developer/6775212558) |

## What reviewers say

### The Stack

[App page](https://appshunter.io/ios/app/the-stack-notes-to-self/id6615075283)

This app offers a straightforward approach to managing tasks and capturing thoughts. It utilizes a single list of text-based notes organized with hashtags for easy retrieval and organization.

**Highlights:** Simple text-based notes, Hashtag organization, Easy idea capture, To-do list management, Streamlined interface

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fresh Straw | $0.99 | one-time |
| A Nice Juicy Carrot | $2.99 | one-time |
| Deluxe Hamster Wheel | $9.99 | one-time |


### Do3

[App page](https://appshunter.io/ios/app/do3-focus-to-do-list/id6775212556)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Do3 Lifetime Unlock | $19.99 | one-time |


## Frequently asked questions

### Is The Stack free?

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

### Is Do3 free?

Do3 is free to download, with in-app purchases available.

### Do The Stack or Do3 have ads?

Neither The Stack nor Do3 shows ads.

### Which is updated more often, The Stack or Do3?

The Stack ships an update every 5 weeks, and Do3 every 6 weeks. Most recently, The Stack was updated on October 7, 2026 and Do3 on October 8, 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.*