# UPF Detector vs Simple Gym Tracker+

The clearest difference is price: UPF Detector at Free against Simple Gym Tracker+'s $3.99. UPF Detector also leads on update cadence (weekly vs monthly) and iOS requirement (17.0 vs 26.0). Simple Gym Tracker+'s advantage is in-app purchases (none vs 6) and chart position (#200 vs unranked). On ads and device support there is nothing between them.

UPF Detector is free to download; Simple Gym Tracker+ costs $3.99 up front. UPF Detector sells 6 in-app purchases, starting at $4.99 per month. Simple Gym Tracker+ asks for nothing beyond the download.

UPF Detector ships an update weekly, Simple Gym Tracker+ monthly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | UPF Detector | Simple Gym Tracker+ |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.9 (13 ratings)](https://appshunter.io/ios/app/upf-detector-nova-scanner/id6738797472/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#200** |
| Size | 25 MB | 7 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pawel Trybulski](https://appshunter.io/developer/1723620842) | [Simple Apps Pty Ltd](https://appshunter.io/developer/1894989820) |

## What reviewers say

### UPF Detector

[App page](https://appshunter.io/ios/app/upf-detector-nova-scanner/id6738797472)

Easily identify ultra-processed foods by scanning barcodes. Get clear NOVA processing levels and understand ingredients to make healthier choices before you buy or eat.

**Highlights:** Scan food barcodes instantly, View clear NOVA processing levels, Understand reasons for ultra-processing, Identify key additives and ingredients, Compare products while shopping, Save and access scan history, Offline access to scanned products

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UPF Detector Premium Monthly | $4.99 | per month |
| UPF Detector Premium Yearly | $29.99 | per year |
| Thank You | $2.99 | one-time |
| App Believer | $4.99 | one-time |
| Health Supporter | $9.99 | one-time |
| Amazing Supporter | $19.99 | one-time |


### Simple Gym Tracker+

[App page](https://appshunter.io/ios/app/simple-gym-tracker-plus/id6762740109)

**Currently charting:** #200 Top Paid · Health & Fitness (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is UPF Detector free?

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

### Is Simple Gym Tracker+ free?

Simple Gym Tracker+ costs $3.99, with no in-app purchases.

### Do UPF Detector or Simple Gym Tracker+ have ads?

Neither UPF Detector nor Simple Gym Tracker+ shows ads.

### Which is updated more often, UPF Detector or Simple Gym Tracker+?

UPF Detector ships an update weekly, and Simple Gym Tracker+ monthly. Most recently, UPF Detector was updated on October 16, 2026 and Simple Gym Tracker+ on October 7, 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.*