# GroundRollCalc vs Pilot Rest Time

The clearest difference is in-app purchases: Pilot Rest Time at none against GroundRollCalc's 3. GroundRollCalc's advantage is update cadence (every 5 days vs every 10 days) and iOS requirement (18.5 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. GroundRollCalc sells 3 in-app purchases, starting at $0.99 per month. Pilot Rest Time asks for nothing beyond the download.

GroundRollCalc ships an update every 5 days, Pilot Rest Time every 10 days. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GroundRollCalc | Pilot Rest Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pilot-rest-time/id6795184314/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | — | Free |
| Size | 185 MB | 3 MB |
| Requires iOS | **18.5** | 26.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rob Honeycutt](https://appshunter.io/developer/1820512480) | [gokalp pacin](https://appshunter.io/developer/1893339403) |

## What reviewers say

### GroundRollCalc

[App page](https://appshunter.io/ios/app/groundrollcalc/id6747908402)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GroundRollCalc Pro Monthly | $0.99 | per month |
| GroundRollCalc Pro Yearly | $9.99 | per year |
| Unlock Live GPS | $5.99 | one-time |


### Pilot Rest Time

[App page](https://appshunter.io/ios/app/pilot-rest-time/id6795184314)

This tool helps professional pilots plan their rest periods for long-haul flights. It allows users to input flight times, number of rest blocks, and break durations to generate a clear rest schedule. The app features notifications and works offline.

**Highlights:** Plan crew rest schedules, Support for multiple rest blocks, Equal or custom rest distribution, Rest reminder notifications, Pilot-focused interface, Works completely offline

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

**In-app purchases:** none


## Frequently asked questions

### Is GroundRollCalc free?

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

### Is Pilot Rest Time free?

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

### Do GroundRollCalc or Pilot Rest Time have ads?

Neither GroundRollCalc nor Pilot Rest Time shows ads.

### Which is updated more often, GroundRollCalc or Pilot Rest Time?

GroundRollCalc ships an update every 5 days, and Pilot Rest Time every 10 days. Most recently, GroundRollCalc was updated on September 30, 2026 and Pilot Rest Time on October 10, 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.*