# Sleep trainer vs Studio HR

The clearest difference is price: Studio HR at Free against Sleep trainer's $2.99. Sleep trainer's advantage is update cadence (every 4 months vs every 9 months) and iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Studio HR is free to download; Sleep trainer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sleep trainer ships an update every 4 months, Studio HR every 9 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Sleep trainer | Studio HR |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/sleep-trainer-ferber-method/id1555062851/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Paid | — |
| Size | 30 MB | 75 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nisha Kamra](https://appshunter.io/developer/1716039249) | [Styler Digital Limited](https://appshunter.io/developer/1506387468) |

## What reviewers say

### Sleep trainer

[App page](https://appshunter.io/ios/app/sleep-trainer-ferber-method/id1555062851)

This app provides a structured approach to teaching your baby healthy sleep habits using a gentle method. It offers customizable timers, expert advice, and detailed progress tracking to help parents and babies achieve restful nights.

**Highlights:** Customizable Ferber timers, Expert guidance and FAQs, Detailed sleep progress tracking, Supportive motivation for parents, Gentle self-soothing techniques

**Features:** Vision Pro support

**In-app purchases:** none


### Studio HR

[App page](https://appshunter.io/ios/app/studio-hr/id1595960649)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sleep trainer free?

Sleep trainer costs $2.99, with no in-app purchases.

### Is Studio HR free?

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

### Do Sleep trainer or Studio HR have ads?

Neither Sleep trainer nor Studio HR shows ads.

### Which is updated more often, Sleep trainer or Studio HR?

Sleep trainer ships an update every 4 months, and Studio HR every 9 months. Most recently, Sleep trainer was updated on October 7, 2026 and Studio HR on September 29, 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.*