# CheckBuy vs Simple_Todos

The clearest difference is in-app purchases: CheckBuy at none against Simple_Todos's 1. CheckBuy also leads on update cadence (weekly vs every 4 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Simple_Todos sells 1 one-off in-app purchase. CheckBuy asks for nothing beyond the download.

CheckBuy ships an update weekly, Simple_Todos every 4 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | CheckBuy | Simple_Todos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Size | 80 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Akatsukido Co., Ltd.](https://appshunter.io/developer/1801122880) | [Seung-Un Ham](https://appshunter.io/developer/447543367) |

## What reviewers say

### CheckBuy

[App page](https://appshunter.io/ios/app/checkbuy/id6744043634)

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

**In-app purchases:** none


### Simple_Todos

[App page](https://appshunter.io/ios/app/simple-todos/id6758411773)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Lifetime) | $2.99 | one-time |


## Frequently asked questions

### Is CheckBuy free?

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

### Is Simple_Todos free?

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

### Do CheckBuy or Simple_Todos have ads?

Both CheckBuy and Simple_Todos show ads.

### Which is updated more often, CheckBuy or Simple_Todos?

CheckBuy ships an update weekly, and Simple_Todos every 4 months. Most recently, CheckBuy was updated on November 8, 2026 and Simple_Todos on November 9, 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.*