# CalcuLatte vs Prevsis

The clearest difference is in-app purchases: Prevsis at none against CalcuLatte's 1. CalcuLatte's advantage is iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. CalcuLatte sells 1 one-off in-app purchase. Prevsis asks for nothing beyond the download.

## The numbers

| Metric | CalcuLatte | Prevsis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 4 MB | 34 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Woodsign](https://appshunter.io/developer/1126354429) | [Prevsis](https://appshunter.io/developer/1375712134) |

## What reviewers say

### CalcuLatte

[App page](https://appshunter.io/ios/app/calculatte/id1464511080)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuLatte Full Version | $1.99 | one-time |


### Prevsis

[App page](https://appshunter.io/ios/app/prevsis/id1534632624)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CalcuLatte free?

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

### Is Prevsis free?

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

### Do CalcuLatte or Prevsis have ads?

Neither CalcuLatte nor Prevsis 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.*