# CheckOne vs NatsuPlan

The clearest difference is iOS requirement: NatsuPlan at 14.0 against CheckOne's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CheckOne sells 1 one-off in-app purchase and NatsuPlan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CheckOne | NatsuPlan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free |
| Size | 14 MB | 3 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mishima Design](https://appshunter.io/developer/373060551) | [SHIN HOMMA](https://appshunter.io/developer/6784502940) |

## What reviewers say

### CheckOne

[App page](https://appshunter.io/ios/app/checkone/id6785709065)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CheckOne Plus | $9.99 | one-time |


### NatsuPlan

[App page](https://appshunter.io/ios/app/natsuplan-homework-planner/id6790052959)

This app helps parents manage summer homework by automatically calculating daily tasks based on remaining days. It intelligently re-plans missed work and allows for buffer days, ensuring a stress-free completion of assignments.

**Highlights:** Automatic daily homework distribution, Smart re-planning for missed days, Exclusion of travel/off days, Buffer days for flexibility, Countdown for one-shot tasks, Calendar view of progress, Daily completion reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (one-time) | $1.99 | one-time |


## Frequently asked questions

### Is CheckOne free?

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

### Is NatsuPlan free?

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

### Do CheckOne or NatsuPlan have ads?

Neither CheckOne nor NatsuPlan shows ads.

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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.*