# Gastrodev vs UVUV

The clearest difference is in-app purchases: Gastrodev at none against UVUV's 3. UVUV's advantage is update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UVUV sells 3 in-app purchases, starting at $1.99 per month. Gastrodev asks for nothing beyond the download.

Gastrodev ships an update every 9 days, UVUV every 4 days. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Gastrodev | UVUV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/uvuv/id6748020701/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 48 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Salman Khadim](https://appshunter.io/developer/1483392524) | [515, LLC](https://appshunter.io/developer/1819462884) |

## What reviewers say

### Gastrodev

[App page](https://appshunter.io/ios/app/gastrodev/id6740771293)

**Features:** macOS Compatibility

**In-app purchases:** none


### UVUV

[App page](https://appshunter.io/ios/app/uvuv/id6748020701)

This app provides real-time UV index data, personalized sun safety tips, and AI-powered skin analysis tools. It helps users build healthy habits for lifelong skin protection with features like sunscreen timers and outdoor time tracking.

**Highlights:** Live UV index and forecast, SPF reapplication timer, Safe outdoor time tracking, AI skin analysis and risk insights, UV wardrobe advisor, Skin journal and skincare tracker

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Subscription | $1.99 | per month |
| Advocate Subscription | $4.99 | per month |
| Champion Subscription | $9.99 | per month |


## Frequently asked questions

### Is Gastrodev free?

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

### Is UVUV free?

UVUV is free to download, with in-app purchases available.

### Do Gastrodev or UVUV have ads?

Neither Gastrodev nor UVUV shows ads.

### Which is updated more often, Gastrodev or UVUV?

Gastrodev ships an update every 9 days, and UVUV every 4 days. Most recently, Gastrodev was updated on September 27, 2026 and UVUV on October 6, 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.*