# CheckItOffYo vs Oneカレンダー

The clearest difference is update cadence: CheckItOffYo at every 9 days against Oneカレンダー's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

CheckItOffYo ships an update every 9 days, Oneカレンダー every 5 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CheckItOffYo | Oneカレンダー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/checkitoffyo/id6449281633/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 8 MB | 5 MB |
| Requires iOS | 16.2 | 16.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masayoshi Ueda](https://appshunter.io/developer/1688525453) | [keigo kozuka](https://appshunter.io/developer/1629004610) |

## What reviewers say

### CheckItOffYo

[App page](https://appshunter.io/ios/app/checkitoffyo/id6449281633)

This is a free checklist application for iPhone and iPad. It offers extensive customization options, including image backgrounds, theme and item colors, font selection, and adjustable text sizes. It also supports dark mode and includes an authentication feature.

**Highlights:** Completely free, No ads, Customizable themes and backgrounds, Font and text size selection, Dark mode support, Authentication feature

**In-app purchases:** none


### Oneカレンダー

[App page](https://appshunter.io/ios/app/one/id6476656229)

**In-app purchases:** none


## Frequently asked questions

### Is CheckItOffYo free?

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

### Is Oneカレンダー free?

Oneカレンダー is free to download, with no in-app purchases.

### Do CheckItOffYo or Oneカレンダー have ads?

Neither CheckItOffYo nor Oneカレンダー shows ads.

### Which is updated more often, CheckItOffYo or Oneカレンダー?

CheckItOffYo ships an update every 9 days, and Oneカレンダー every 5 weeks. Most recently, CheckItOffYo was updated on October 8, 2026 and Oneカレンダー on October 7, 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.*