# SolHaus OTR vs Contrast Studio

The clearest difference is update cadence: SolHaus OTR at every 2 weeks against Contrast Studio's every 6 months. Contrast Studio's advantage is ratings volume (67 vs 22). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SolHaus OTR against 5.0 for Contrast Studio. Both are backed by a comparable volume of ratings — 22 and 67 respectively.

SolHaus OTR ships an update every 2 weeks, Contrast Studio every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SolHaus OTR | Contrast Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/solhaus-otr/id6749600404/reviews)** | [5.0 (67 ratings)](https://appshunter.io/ios/app/contrast-studio/id6752330801/reviews) |
| Number of ratings | 22 | **67** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 38 MB | 55 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KAK Partners LLC](https://appshunter.io/developer/1831377224) | [Momence, Inc.](https://appshunter.io/developer/1577856011) |

## What reviewers say

### SolHaus OTR

[App page](https://appshunter.io/ios/app/solhaus-otr/id6749600404)

Easily browse and purchase class packs or memberships. View the schedule, filter classes by type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse and filter class schedule, Manage class reservations, Stay organized with fitness goals

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Contrast Studio

[App page](https://appshunter.io/ios/app/contrast-studio/id6752330801)

Easily manage your account, book classes, and stay connected with studio updates. Message the studio directly and follow their public feed for announcements and promotions.

**Highlights:** Account management, Class and event booking, Direct messaging, Public feed for announcements, Promotions and content sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is SolHaus OTR free?

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

### Is Contrast Studio free?

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

### Which has better reviews, SolHaus OTR or Contrast Studio?

SolHaus OTR is rated higher. SolHaus OTR averages 5.0 out of 5 from 22 ratings, while Contrast Studio averages 5.0 from 67 ratings.

### Do SolHaus OTR or Contrast Studio have ads?

Neither SolHaus OTR nor Contrast Studio shows ads.

### Which is updated more often, SolHaus OTR or Contrast Studio?

SolHaus OTR ships an update every 2 weeks, and Contrast Studio every 6 months. Most recently, SolHaus OTR was updated on October 24, 2026 and Contrast Studio 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.*