# Heart Rate Calc vs Primitive Performance

The clearest difference is in-app purchases: Heart Rate Calc at none against Primitive Performance's 4. Heart Rate Calc also leads on ads (none vs shown) and iOS requirement (9.3 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Primitive Performance sells 4 in-app purchases, starting at $2.00 per month. Heart Rate Calc asks for nothing beyond the download.

## The numbers

| Metric | Heart Rate Calc | Primitive Performance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 92 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IOTA Software](https://appshunter.io/developer/1088223974) | [David Loader](https://appshunter.io/developer/1659615647) |

## What reviewers say

### Heart Rate Calc

[App page](https://appshunter.io/ios/app/heart-rate-calc/id1154440923)

**Features:** macOS Compatibility

**In-app purchases:** none


### Primitive Performance

[App page](https://appshunter.io/ios/app/primitive-performance/id1659615165)

This fitness app helps you reduce body fat and increase muscle mass simultaneously. It offers tools to track progress on and off gymnastic rings, live webinars with the creator, and challenges with rewards. Access complimentary content or upgrade via subscription or one-time purchase.

**Highlights:** Fat loss and muscle gain tracking, Gymnastic ring biomechanics training, Live webinars with creator, Progress tracking, Challenges with rewards, Offline sync

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $2.00 | per month |
| Online Personal Training | $12.00 | per 7 days |
| One time subscription | $19.99 | one-time |
| Primitive Performance | $19.99 | one-time |


## Frequently asked questions

### Is Heart Rate Calc free?

Heart Rate Calc is free to download, with no in-app purchases.

### Is Primitive Performance free?

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

### Do Heart Rate Calc or Primitive Performance have ads?

Primitive Performance shows ads; Heart Rate Calc does not.

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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.*