# Recall Calculator vs HapLab

The clearest difference is in-app purchases: Recall Calculator at none against HapLab's 4. Recall Calculator also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. HapLab sells 4 one-off in-app purchases. Recall Calculator asks for nothing beyond the download.

## The numbers

| Metric | Recall Calculator | HapLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 33 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sabin Adhikari](https://appshunter.io/developer/1827742384) | [Ryusuke Mochida](https://appshunter.io/developer/6801371341) |

## What reviewers say

### Recall Calculator

[App page](https://appshunter.io/ios/app/recall-calculator/id6756904920)

**Features:** macOS Compatibility

**In-app purchases:** none


### HapLab

[App page](https://appshunter.io/ios/app/haplab/id6804973246)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| チップ S | $1.99 | one-time |
| HapLab Pro | $4.99 | one-time |
| チップ M | $5.99 | one-time |
| チップ L | $19.99 | one-time |


## Frequently asked questions

### Is Recall Calculator free?

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

### Is HapLab free?

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

### Do Recall Calculator or HapLab have ads?

Neither Recall Calculator nor HapLab shows ads.

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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.*