# Solid Rock Training vs Our Blood Institute

The clearest difference is rating: Solid Rock Training at 5.0 against Our Blood Institute's 2.8. Solid Rock Training also leads on update cadence (every 5 weeks vs every 3 months). Our Blood Institute's advantage is monetization model (free vs ad-supported). On price, ratings volume, 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.

Solid Rock Training holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 10 and 26 respectively.

Solid Rock Training ships an update every 5 weeks, Our Blood Institute every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Solid Rock Training | Our Blood Institute |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/solid-rock-training/id1423834309/reviews)** | [2.8 (26 ratings)](https://appshunter.io/ios/app/our-blood-institute/id1569451333/reviews) |
| Number of ratings | 10 | **26** |
| Positive reviews | — | 8.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 193 MB | 35 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SOLID ROCK TRAINING, LLC](https://appshunter.io/developer/1423834308) | [Oklahoma Blood Institute](https://appshunter.io/developer/1569451335) |

## What reviewers say

### Solid Rock Training

[App page](https://appshunter.io/ios/app/solid-rock-training/id1423834309)

Plan and schedule group interval fitness classes focused on strength and endurance. Manage your account and studio information conveniently from your device. Optimize your time and maximize convenience with this app.

**Highlights:** View class schedules, Sign up for classes, Manage your account, View studio location, Schedule classes from device

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

**In-app purchases:** none


### Our Blood Institute

[App page](https://appshunter.io/ios/app/our-blood-institute/id1569451333)

Schedule blood donations, find nearby drives, and track your health metrics like cholesterol and blood pressure. Monitor donation eligibility and lifetime contributions, while also managing rewards points and gift vouchers.

**Highlights:** Schedule blood donation appointments, Locate blood drives and centers, Monitor health test results, Track donation eligibility, View lifetime donation count, Manage rewards points and vouchers

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

**In-app purchases:** none


## Frequently asked questions

### Is Solid Rock Training free?

Solid Rock Training is free to download, with no in-app purchases.

### Is Our Blood Institute free?

Our Blood Institute is free to download, with no in-app purchases.

### Which has better reviews, Solid Rock Training or Our Blood Institute?

Solid Rock Training is rated higher. Solid Rock Training averages 5.0 out of 5 from 10 ratings, while Our Blood Institute averages 2.8 from 26 ratings.

### Do Solid Rock Training or Our Blood Institute have ads?

Neither Solid Rock Training nor Our Blood Institute shows ads.

### Which is updated more often, Solid Rock Training or Our Blood Institute?

Solid Rock Training ships an update every 5 weeks, and Our Blood Institute every 3 months. Most recently, Solid Rock Training was updated on November 6, 2026 and Our Blood Institute on November 3, 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.*