# CalendarIn vs TurtleNote

The clearest difference is update cadence: CalendarIn at every 2 days against TurtleNote's every 3 weeks. CalendarIn also leads on price ($0.99 vs $1.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CalendarIn costs $0.99 and TurtleNote $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CalendarIn ships an update every 2 days, TurtleNote every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CalendarIn | TurtleNote |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 7 MB | 6 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [雄辉 许](https://appshunter.io/developer/1186585302) |

## What reviewers say

### CalendarIn

[App page](https://appshunter.io/ios/app/calendarin/id6737374585)

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

**In-app purchases:** none


### TurtleNote

[App page](https://appshunter.io/ios/app/turtlenote/id6738842562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalendarIn free?

CalendarIn costs $0.99, with no in-app purchases.

### Is TurtleNote free?

TurtleNote costs $1.99, with no in-app purchases.

### Do CalendarIn or TurtleNote have ads?

Neither CalendarIn nor TurtleNote shows ads.

### Which is updated more often, CalendarIn or TurtleNote?

CalendarIn ships an update every 2 days, and TurtleNote every 3 weeks. Most recently, CalendarIn was updated on November 2, 2026 and TurtleNote on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*