# Prevantec vs Turnify

The clearest difference is in-app purchases: Prevantec at none against Turnify's 2. Prevantec also leads on update cadence (daily vs every 5 days) and iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Turnify sells 2 in-app purchases, starting at $14.99 per year. Prevantec asks for nothing beyond the download.

Prevantec ships an update daily, Turnify every 5 days. The most recent releases landed on September 22, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Prevantec | Turnify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 55 MB | 24 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Luis Echenique](https://appshunter.io/developer/501884193) | [Alejandro Sanchez](https://appshunter.io/developer/1884741527) |

## What reviewers say

### Prevantec

[App page](https://appshunter.io/ios/app/prevantec/id1514959169)

**Features:** macOS Compatibility

**In-app purchases:** none


### Turnify

[App page](https://appshunter.io/ios/app/turnify-shift-work-calendar/id6761343146)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Turnify PRO | $14.99 | per year |
| Turnify PRO | $39.99 | one-time |


## Frequently asked questions

### Is Prevantec free?

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

### Is Turnify free?

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

### Do Prevantec or Turnify have ads?

Neither Prevantec nor Turnify shows ads.

### Which is updated more often, Prevantec or Turnify?

Prevantec ships an update daily, and Turnify every 5 days. Most recently, Prevantec was updated on September 22, 2026 and Turnify on September 29, 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.*