# Shift4You vs Not Defteri PRO

The clearest difference is price: Shift4You at Free against Not Defteri PRO's $4.99. Not Defteri PRO's advantage is ads (none vs shown) and iOS requirement (15.1 vs 26). On update cadence, in-app purchases and device support there is nothing between them.

Shift4You is free to download; Not Defteri PRO costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shift4You ships an update fortnightly, Not Defteri PRO every 10 days. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Shift4You | Not Defteri PRO |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shift4you/id6757280235/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 34 MB |
| Requires iOS | 26 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Omer ELMAS](https://appshunter.io/developer/1865752228) | [Murat Yasin YAZDIRAN](https://appshunter.io/developer/1835040365) |

## What reviewers say

### Shift4You

[App page](https://appshunter.io/ios/app/shift4you/id6757280235)

Effortlessly manage your work schedule with customizable patterns and automatic calendar filling. View upcoming shifts on widgets, Lock Screen, and Dynamic Island. Plan holidays and track overtime with country-specific rules.

**Highlights:** Customizable shift patterns, Home and Lock Screen widgets, Dynamic Island integration, Holiday planning and leave tracking, Overtime and earnings calculation, Shift sharing with colleagues, Customizable reminders and alarms

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

**In-app purchases:** none


### Not Defteri PRO

[App page](https://appshunter.io/ios/app/not-defteri-pro/id6792668872)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift4You free?

Shift4You is free to download, with no in-app purchases.

### Is Not Defteri PRO free?

Not Defteri PRO costs $4.99, with no in-app purchases.

### Do Shift4You or Not Defteri PRO have ads?

Shift4You shows ads; Not Defteri PRO does not.

### Which is updated more often, Shift4You or Not Defteri PRO?

Shift4You ships an update fortnightly, and Not Defteri PRO every 10 days. Most recently, Shift4You was updated on October 13, 2026 and Not Defteri PRO on October 8, 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.*