# UV vs SpinVane

The clearest difference is price: UV at Free against SpinVane's $1.99. UV also leads on iOS requirement (16.7.10 vs 18.2). SpinVane's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On in-app purchases and device support there is nothing between them.

UV is free to download; SpinVane costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UV ships an update every 2 weeks, SpinVane daily. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UV | SpinVane |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 36 MB | 10 MB |
| Requires iOS | **16.7.10** | 18.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Yu Ikeda](https://appshunter.io/developer/394579323) |

## What reviewers say

### UV

[App page](https://appshunter.io/ios/app/uv-index-forecast/id6503669685)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpinVane

[App page](https://appshunter.io/ios/app/spinvane/id6745381092)

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

**In-app purchases:** none


## Frequently asked questions

### Is UV free?

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

### Is SpinVane free?

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

### Do UV or SpinVane have ads?

UV shows ads; SpinVane does not.

### Which is updated more often, UV or SpinVane?

UV ships an update every 2 weeks, and SpinVane daily. Most recently, UV was updated on October 11, 2026 and SpinVane on October 25, 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.*