# The90 Gem vs Helio Track

The clearest difference is ads: The90 Gem at none against Helio Track's shown. Helio Track's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The90 Gem ships an update every 3 weeks, Helio Track every 3 days. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | The90 Gem | Helio Track |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/the90-gem/id6758100822/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 112 MB | 18 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The90, Inc.](https://appshunter.io/developer/1870863367) | [Goranson Digital](https://appshunter.io/developer/1886764145) |

## 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


### Helio Track

[App page](https://appshunter.io/ios/app/helio-track/id6760911525)

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

**In-app purchases:** none


## Frequently asked questions

### Is The90 Gem free?

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

### Is Helio Track free?

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

### Do The90 Gem or Helio Track have ads?

Helio Track shows ads; The90 Gem does not.

### Which is updated more often, The90 Gem or Helio Track?

The90 Gem ships an update every 3 weeks, and Helio Track every 3 days. Most recently, The90 Gem was updated on October 25, 2026 and Helio Track 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.*