# TLevels vs Sleep Lock

The clearest difference is update cadence: TLevels at every 5 days against Sleep Lock's every 2 months. TLevels also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TLevels sells 2 in-app purchases, starting at $24.99 per month and Sleep Lock sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

TLevels ships an update every 5 days, Sleep Lock every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TLevels | Sleep Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/tlevels/id6764432502/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 53 MB | 19 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [ELIJAH KEITH SEARLES](https://appshunter.io/developer/1892726210) | [Modestas Razanauskas](https://appshunter.io/developer/1896518602) |

## What reviewers say

### TLevels

[App page](https://appshunter.io/ios/app/tlevels/id6764432502)

This app provides real-time insights into TRT and peptide protocols, including serum modeling, symptom tracking, and AI-powered guidance. It offers a comprehensive peptide library and helps users understand their health data privately on their device.

**Highlights:** Serum modeling for testosterone levels, Symptom tracking and correlation, AI-powered peptide stacking guidance, Comprehensive 39-compound peptide library, Protocol tracking with reconstitution calculator, Lab result analysis and flagging, Progress tracking with gamification

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TLevels Pro | $24.99 | per month |
| TLevels Pro — Yearly | $149.99 | per year |


### Sleep Lock

[App page](https://appshunter.io/ios/app/sleep-lock-bedtime-blocker/id6767901934)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Lock Pro – Weekly | $3.99 | per 7 days |
| Sleep Lock Pro – Monthly | $9.99 | per month |
| Sleep Lock Pro – Yearly | $79.99 | per year |


## Frequently asked questions

### Is TLevels free?

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

### Is Sleep Lock free?

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

### Do TLevels or Sleep Lock have ads?

Neither TLevels nor Sleep Lock shows ads.

### Which is updated more often, TLevels or Sleep Lock?

TLevels ships an update every 5 days, and Sleep Lock every 2 months. Most recently, TLevels was updated on October 15, 2026 and Sleep Lock on October 24, 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.*