# Moon Phase Tracker & Cycle vs UVly

The clearest difference is in-app purchases: UVly at none against Moon Phase Tracker & Cycle's 3. UVly also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Moon Phase Tracker & Cycle sells 3 in-app purchases, starting at $5.99 per 7 days. UVly asks for nothing beyond the download.

Moon Phase Tracker & Cycle ships an update monthly, UVly every 2 weeks. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Moon Phase Tracker & Cycle | UVly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 7 MB | 40 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Rostyslav Belmeha](https://appshunter.io/developer/1475525035) |

## What reviewers say

### Moon Phase Tracker & Cycle

[App page](https://appshunter.io/ios/app/moon-phase-tracker-and-cycle/id6772271708)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Yearly | $29.99 | per year |
| Lifetime Pro | $59.99 | one-time |


### UVly

[App page](https://appshunter.io/ios/app/uvly/id6785629992)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moon Phase Tracker & Cycle free?

Moon Phase Tracker & Cycle is free to download, with in-app purchases available.

### Is UVly free?

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

### Do Moon Phase Tracker & Cycle or UVly have ads?

Neither Moon Phase Tracker & Cycle nor UVly shows ads.

### Which is updated more often, Moon Phase Tracker & Cycle or UVly?

Moon Phase Tracker & Cycle ships an update monthly, and UVly every 2 weeks. Most recently, Moon Phase Tracker & Cycle was updated on October 25, 2026 and UVly on October 10, 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.*