# HeartRate vs Calculator

The clearest difference is in-app purchases: HeartRate at none against Calculator's 3. Calculator's advantage is update cadence (monthly vs every 37 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator sells 3 in-app purchases, starting at $6.00 per 7 days. HeartRate asks for nothing beyond the download.

HeartRate ships an update every 37 months, Calculator monthly. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | HeartRate | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calculatorai-calculate/id6758134467/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 48 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [RITI Technology Inc.](https://appshunter.io/developer/369118660) | [欣博 周](https://appshunter.io/developer/1855735592) |

## What reviewers say

### HeartRate

[App page](https://appshunter.io/ios/app/heartrate/id1441755039)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator

[App page](https://appshunter.io/ios/app/calculatorai-calculate/id6758134467)

This portable computing assistant offers both basic and scientific calculations with a clean interface. It features a history log, currency and unit conversion, and a unique photo-based problem solver. Enjoy an ad-free experience for all your calculation needs.

**Highlights:** Basic and scientific calculations, Calculation history log, Currency and unit conversion, Photo math problem solver, Ad-free experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Member | $6.00 | per 7 days |
| Monthly Membership | $12.00 | one-time |
| annual membership | $28.00 | one-time |


## Frequently asked questions

### Is HeartRate free?

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

### Is Calculator free?

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

### Do HeartRate or Calculator have ads?

Neither HeartRate nor Calculator shows ads.

### Which is updated more often, HeartRate or Calculator?

HeartRate ships an update every 37 months, and Calculator monthly. Most recently, HeartRate was updated on October 26, 2026 and Calculator on October 23, 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.*