# To Do List vs MemoStay

The clearest difference is in-app purchases: To Do List at none against MemoStay's 2. To Do List also leads on iOS requirement (13.0 vs 17.0). MemoStay's advantage is update cadence (every 3 weeks vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. MemoStay sells 2 in-app purchases, starting at $6.99 per 3 months. To Do List asks for nothing beyond the download.

To Do List ships an update every 13 months, MemoStay every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | To Do List | MemoStay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Size | 1 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [JIHYUN KIM](https://appshunter.io/developer/1649466840) | [Gyoung Soo Lee](https://appshunter.io/developer/1788649387) |

## What reviewers say

### To Do List

[App page](https://appshunter.io/ios/app/to-do-list/id6444089142)

**Features:** macOS Compatibility

**In-app purchases:** none


### MemoStay

[App page](https://appshunter.io/ios/app/memostay-ai-sticky-notes/id6741755371)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MemoStay Pro Quarterly | $6.99 | per 3 months |
| MemoStay Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is To Do List free?

To Do List is free to download, with no in-app purchases.

### Is MemoStay free?

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

### Do To Do List or MemoStay have ads?

Neither To Do List nor MemoStay shows ads.

### Which is updated more often, To Do List or MemoStay?

To Do List ships an update every 13 months, and MemoStay every 3 weeks. Most recently, To Do List was updated on November 7, 2026 and MemoStay on October 30, 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.*