# SoBe Tan vs StackTrax

The clearest difference is in-app purchases: SoBe Tan at none against StackTrax's 2. StackTrax's advantage is update cadence (daily vs weekly) and ratings volume (7 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. StackTrax sells 2 in-app purchases, starting at $4.99 per month. SoBe Tan asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SoBe Tan against 5.0 for StackTrax. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SoBe Tan ships an update weekly, StackTrax daily. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SoBe Tan | StackTrax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sobe-tan/id6761735242/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/stacktrax-peptide-tracker/id6769495613/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 32 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Gabriel Oleas](https://appshunter.io/developer/1891165492) | [Isaiah Deutsch](https://appshunter.io/developer/1896663496) |

## What reviewers say

### SoBe Tan

[App page](https://appshunter.io/ios/app/sobe-tan/id6761735242)

Book spray tan sessions, shop tanning products, and access expert guides. Professionals can access wholesale ordering and training. Features an AI concierge and live chat support.

**Highlights:** Book spray tan sessions, Shop tanning products, Expert prep and aftercare guides, AI-powered concierge, Live chat support, Membership plans, Wholesale ordering for professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### StackTrax

[App page](https://appshunter.io/ios/app/stacktrax-peptide-tracker/id6769495613)

Track peptide protocols and GLP-1 titrations with detailed logging, reminders, and injection site rotation. Access a research library and integrate with Oura for comprehensive health insights. Includes nutrition tracking and an AI protocol importer.

**Highlights:** Peptide and GLP-1 tracking, Dose logging and reminders, Injection site rotation, Research library with compound guides, Oura integration, AI Protocol Importer, Nutrition tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is SoBe Tan free?

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

### Is StackTrax free?

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

### Which has better reviews, SoBe Tan or StackTrax?

SoBe Tan and StackTrax are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.

### Do SoBe Tan or StackTrax have ads?

Neither SoBe Tan nor StackTrax shows ads.

### Which is updated more often, SoBe Tan or StackTrax?

SoBe Tan ships an update weekly, and StackTrax daily. Most recently, SoBe Tan was updated on October 1, 2026 and StackTrax 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.*