# ちょっとAI vs Calendar+

The clearest difference is update cadence: Calendar+ at monthly against ちょっとAI's every 10 months. ちょっとAI's advantage is iOS requirement (13.0 vs 17.4). On price and in-app purchases there is nothing between them.

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

ちょっとAI ships an update every 10 months, Calendar+ monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ちょっとAI | Calendar+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 10 months | **Monthly** |
| Size | 21 MB | 1 MB |
| Requires iOS | **13.0** | 17.4 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [Hiperdyne Corporation](https://appshunter.io/developer/1687596477) | [Katsuhiro Mishima](https://appshunter.io/developer/1663852752) |

## What reviewers say

### ちょっとAI

[App page](https://appshunter.io/ios/app/ai-ai/id6449055329)

**In-app purchases:** none


### Calendar+

[App page](https://appshunter.io/ios/app/calendar-plus/id6502148853)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ちょっとAI free?

ちょっとAI is free to download, with no in-app purchases.

### Is Calendar+ free?

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

### Which is updated more often, ちょっとAI or Calendar+?

ちょっとAI ships an update every 10 months, and Calendar+ monthly. Most recently, ちょっとAI was updated on October 25, 2026 and Calendar+ on October 27, 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.*