# PROS Clock vs TimeStack Pilot

The clearest difference is update cadence: TimeStack Pilot at every 3 days against PROS Clock's monthly. PROS Clock's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PROS Clock ships an update monthly, TimeStack Pilot every 3 days. The most recent releases landed on September 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PROS Clock | TimeStack Pilot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 30 MB | 29 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen PROS Electronics Co.,Ltd](https://appshunter.io/developer/1798637623) | [Christoph Kindl](https://appshunter.io/developer/1895065163) |

## What reviewers say

### PROS Clock

[App page](https://appshunter.io/ios/app/pros-clock/id6742538787)

This app enhances a smart calendar clock, offering specialized support for elderly individuals, including those with dementia, Alzheimer's, or memory loss. It aims to provide better care and usability for users of the smart calendar clock.

**Highlights:** Smart calendar clock integration, Elderly care support, Dementia and Alzheimer's assistance, Memory loss aid, Improved user experience for seniors

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

**In-app purchases:** none


### TimeStack Pilot

[App page](https://appshunter.io/ios/app/timestack-pilot/id6762896694)

**In-app purchases:** none


## Frequently asked questions

### Is PROS Clock free?

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

### Is TimeStack Pilot free?

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

### Do PROS Clock or TimeStack Pilot have ads?

Neither PROS Clock nor TimeStack Pilot shows ads.

### Which is updated more often, PROS Clock or TimeStack Pilot?

PROS Clock ships an update monthly, and TimeStack Pilot every 3 days. Most recently, PROS Clock was updated on September 23, 2026 and TimeStack Pilot on September 30, 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.*