# ToDoMemo vs MerryIoT for Amazon Sidewalk

The clearest difference is ads: MerryIoT for Amazon Sidewalk at none against ToDoMemo's shown. MerryIoT for Amazon Sidewalk also leads on update cadence (every 3 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ToDoMemo ships an update every 5 months, MerryIoT for Amazon Sidewalk every 3 weeks. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ToDoMemo | MerryIoT for Amazon Sidewalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/todomemo/id1422797930/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 29 MB | 34 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuko Takizawa](https://appshunter.io/developer/1422797929) | [BROWAN COMMUNICATIONS INCORPORATION](https://appshunter.io/developer/1584963490) |

## What reviewers say

### ToDoMemo

[App page](https://appshunter.io/ios/app/todomemo/id1422797930)

Organize your tasks with a simple tabbed to-do list. Create custom tabs for different projects or categories, add notes, and manage your to-do items efficiently. Personalize the look with theme colors and font size adjustments.

**Highlights:** Manage to-dos by tab, Create and rename custom tabs, Reorder and delete tabs, Change memo location, Multi-select memo deletion, Theme and font customization, Notification function

**Features:** macOS Compatibility

**In-app purchases:** none


### MerryIoT for Amazon Sidewalk

[App page](https://appshunter.io/ios/app/merryiot-for-amazon-sidewalk/id6450383664)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ToDoMemo free?

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

### Is MerryIoT for Amazon Sidewalk free?

MerryIoT for Amazon Sidewalk is free to download, with no in-app purchases.

### Do ToDoMemo or MerryIoT for Amazon Sidewalk have ads?

ToDoMemo shows ads; MerryIoT for Amazon Sidewalk does not.

### Which is updated more often, ToDoMemo or MerryIoT for Amazon Sidewalk?

ToDoMemo ships an update every 5 months, and MerryIoT for Amazon Sidewalk every 3 weeks. Most recently, ToDoMemo was updated on June 5, 2026 and MerryIoT for Amazon Sidewalk on September 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.*