# The90 Gem vs suntime.

The clearest difference is rating: suntime. at 5.0 against The90 Gem's 4.3. The90 Gem's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. suntime. sells 2 in-app purchases, starting at $1.99 per month. The90 Gem asks for nothing beyond the download.

suntime. holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: The90 Gem has 9 ratings behind it against 1, so its average is the more settled of the two.

The90 Gem ships an update every 3 weeks, suntime. every 2 weeks. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | The90 Gem | suntime. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (9 ratings)](https://appshunter.io/ios/app/the90-gem/id6758100822/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suntime/id6760936532/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 112 MB | 67 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [The90, Inc.](https://appshunter.io/developer/1870863367) | [Chris Dziuba](https://appshunter.io/developer/1886925954) |

## What reviewers say

### The90 Gem

[App page](https://appshunter.io/ios/app/the90-gem/id6758100822)

This jewelry-inspired sensor tracks your skin's real-time UV exposure. It helps you protect against aging and harness the sun's health benefits.

**Highlights:** Real-time UV tracking, Skin exposure monitoring, Aging protection, Sun health benefits, Jewelry-inspired design

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

**In-app purchases:** none


### suntime.

[App page](https://appshunter.io/ios/app/suntime/id6760936532)

This app offers real-time UV tracking, personalized sun safety timers, and gamified insights to help users enjoy the outdoors without sunburn. It provides features like smart UV timers, sunscreen effectiveness tracking, and UV forecasts for safe outdoor planning.

**Highlights:** Real-time UV tracking, Personalized sun safety timers, Sunscreen effectiveness tracking, Protective gear logging, UV forecasts, Gamified SunScore, Family mode for multi-member tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| suntime. Premium Monthly | $1.99 | per month |
| suntime. Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is The90 Gem free?

The90 Gem is free to download, with no in-app purchases.

### Is suntime. free?

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

### Which has better reviews, The90 Gem or suntime.?

suntime. is rated higher. The90 Gem averages 4.3 out of 5 from 9 ratings, while suntime. averages 5.0 from 1 ratings.

### Do The90 Gem or suntime. have ads?

Neither The90 Gem nor suntime. shows ads.

### Which is updated more often, The90 Gem or suntime.?

The90 Gem ships an update every 3 weeks, and suntime. every 2 weeks. Most recently, The90 Gem was updated on October 25, 2026 and suntime. on October 20, 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.*