# Tarn. vs NuanYue

The clearest difference is iOS requirement: Tarn. at 15.1 against NuanYue's 17.0. 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.

## The numbers

| Metric | Tarn. | NuanYue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 42 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [suite 110 llc](https://appshunter.io/developer/1369813260) | [lei bao](https://appshunter.io/developer/1896314906) |

## What reviewers say

### Tarn.

[App page](https://appshunter.io/ios/app/tarn/id6759208133)

**Features:** macOS Compatibility

**In-app purchases:** none


### NuanYue

[App page](https://appshunter.io/ios/app/nuanyue-period-tracker/id6824363154)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tarn. free?

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

### Is NuanYue free?

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

### Do Tarn. or NuanYue have ads?

Neither Tarn. nor NuanYue shows ads.

---

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