# ToolStack vs ZenShift

The clearest difference is in-app purchases: ZenShift at none against ToolStack's 1. ZenShift also leads on update cadence (fortnightly vs every 2 months). ToolStack's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ToolStack sells 1 in-app purchase, starting at $4.99 per month. ZenShift asks for nothing beyond the download.

ToolStack ships an update every 2 months, ZenShift fortnightly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ToolStack | ZenShift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zenshift-shift-calendar/id6779601142/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 54 MB | 63 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Web Concepts Ltd](https://appshunter.io/developer/1106881054) | [Dmitry Nikitin](https://appshunter.io/developer/6779601144) |

## What reviewers say

### ToolStack

[App page](https://appshunter.io/ios/app/toolstack/id6746410132)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ToolStack Monthly | $4.99 | per month |


### ZenShift

[App page](https://appshunter.io/ios/app/zenshift-shift-calendar/id6779601142)

This app helps manage complex shift schedules, automatically calculating hours, overtime, and earnings. It supports various rotation patterns and offers customizable templates for quick entry. View your schedule on a monthly, weekly, or yearly basis and export reports.

**Highlights:** Customizable shift rotation patterns, Automatic calculation of hours, overtime, and earnings, Monthly, weekly, and yearly calendar views, Shift templates with reminders, Export schedule and reports to PDF, Cloud synchronization across devices, Widgets for upcoming shifts

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

**In-app purchases:** none


## Frequently asked questions

### Is ToolStack free?

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

### Is ZenShift free?

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

### Do ToolStack or ZenShift have ads?

ZenShift shows ads; ToolStack does not.

### Which is updated more often, ToolStack or ZenShift?

ToolStack ships an update every 2 months, and ZenShift fortnightly. Most recently, ToolStack was updated on October 3, 2026 and ZenShift on October 11, 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.*