# DecodeRX vs T

The clearest difference is in-app purchases: DecodeRX at none against T's 2. DecodeRX also leads on ads (none vs shown). T's advantage is update cadence (daily vs monthly) and iOS requirement (15.1 vs 18.0). On price and device support there is nothing between them.

Both are free to download. T sells 2 in-app purchases, starting at $3.99 per month. DecodeRX asks for nothing beyond the download.

DecodeRX ships an update monthly, T daily. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DecodeRX | T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/t-score-boost-testosterone/id6761966099/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 54 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Vytautas Jazbutis](https://appshunter.io/developer/1829284015) | [Anthony Calise](https://appshunter.io/developer/1885903509) |

## What reviewers say

### DecodeRX

[App page](https://appshunter.io/ios/app/decoderx-drug-gene-guide/id6761329929)

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

**In-app purchases:** none


### T

[App page](https://appshunter.io/ios/app/t-score-boost-testosterone/id6761966099)

Track daily habits like sleep, training, and nutrition to understand their impact on testosterone levels. Monitor bloodwork, view historical data, and discover habit correlations. Access built-in supplement protocols for T-support.

**Highlights:** Daily habit tracking (sleep, training, nutrition, sunlight, cold exposure, supplements), Apple Health integration for automatic data import, Daily T-Score from 0-100, Bloodwork logging and trend analysis, 365-day discipline grid for historical overview, Habit correlation analysis, Built-in supplement protocols with citations

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| T-Score Pro Monthly | $3.99 | per month |
| T-Score Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is DecodeRX free?

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

### Is T free?

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

### Do DecodeRX or T have ads?

T shows ads; DecodeRX does not.

### Which is updated more often, DecodeRX or T?

DecodeRX ships an update monthly, and T daily. Most recently, DecodeRX was updated on October 12, 2026 and T 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.*