# Cu vs のびのび

Cu and のびのび are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Cu ships an update every 38 months, のびのび every 39 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Cu | のびのび |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 38 MB | 14 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIROKO ARAKAWA](https://appshunter.io/developer/1611723629) | [TAIGA YOKOYAMA](https://appshunter.io/developer/1680087548) |

## What reviewers say

### Cu

[App page](https://appshunter.io/ios/app/cu-too/id1611723627)

**In-app purchases:** none


### のびのび

[App page](https://appshunter.io/ios/app/id6447024896)

**In-app purchases:** none


## Frequently asked questions

### Is Cu free?

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

### Is のびのび free?

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

### Do Cu or のびのび have ads?

Neither Cu nor のびのび shows ads.

### Which is updated more often, Cu or のびのび?

Cu ships an update every 38 months, and のびのび every 39 months. Most recently, Cu was updated on October 3, 2026 and のびのび on October 1, 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.*