# Strong Reminder vs Memo Keeper

The clearest difference is in-app purchases: Strong Reminder at none against Memo Keeper's 1. Strong Reminder also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Memo Keeper sells 1 one-off in-app purchase. Strong Reminder asks for nothing beyond the download.

Strong Reminder ships an update every 5 days, Memo Keeper every 4 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Strong Reminder | Memo Keeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 43 MB | 16 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chongqing Jiwei Wendao Technology Co., Ltd.](https://appshunter.io/developer/6781168874) | [纯沁 吴](https://appshunter.io/developer/6814033011) |

## What reviewers say

### Strong Reminder

[App page](https://appshunter.io/ios/app/strong-reminder/id6781168872)

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

**In-app purchases:** none


### Memo Keeper

[App page](https://appshunter.io/ios/app/memo-keeper-notes-and-reminders/id6816660078)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo Keeper Pro | $4.99 | one-time |


## Frequently asked questions

### Is Strong Reminder free?

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

### Is Memo Keeper free?

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

### Do Strong Reminder or Memo Keeper have ads?

Neither Strong Reminder nor Memo Keeper shows ads.

### Which is updated more often, Strong Reminder or Memo Keeper?

Strong Reminder ships an update every 5 days, and Memo Keeper every 4 days. Most recently, Strong Reminder was updated on November 10, 2026 and Memo Keeper on November 6, 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.*