# Hour Calc vs TimeStack Pilot

The clearest difference is price: TimeStack Pilot at Free against Hour Calc's $0.99. TimeStack Pilot also leads on update cadence (every 3 days vs every 3 months). Hour Calc's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 26.0). On ads and in-app purchases there is nothing between them.

TimeStack Pilot is free to download; Hour Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hour Calc ships an update every 3 months, TimeStack Pilot every 3 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Hour Calc | TimeStack Pilot |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/hour-calc/id361991529/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 8 MB | 29 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guenter Freytag](https://appshunter.io/developer/358874068) | [Christoph Kindl](https://appshunter.io/developer/1895065163) |

## What reviewers say

### Hour Calc

[App page](https://appshunter.io/ios/app/hour-calc/id361991529)

Converts time between hours:minutes and decimal hours formats. Features include easy input, minute validation, and autocompletion for readability. Supports iPhone and iPad with autosized tables.

**Highlights:** Hours:minutes to decimal hours conversion, Decimal hours to hours:minutes conversion, Easy number keypad input, Minute input validation, Autocompletion for readability, Native iPad support

**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 Hour Calc free?

Hour Calc costs $0.99, with no in-app purchases.

### Is TimeStack Pilot free?

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

### Do Hour Calc or TimeStack Pilot have ads?

Neither Hour Calc nor TimeStack Pilot shows ads.

### Which is updated more often, Hour Calc or TimeStack Pilot?

Hour Calc ships an update every 3 months, and TimeStack Pilot every 3 days. Most recently, Hour Calc was updated on October 8, 2026 and TimeStack Pilot on October 15, 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.*