# Crew Rest Calculator vs SAA Crew EFB

The clearest difference is update cadence: SAA Crew EFB at every 2 months against Crew Rest Calculator's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Crew Rest Calculator ships an update every 5 months, SAA Crew EFB every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Crew Rest Calculator | SAA Crew EFB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (6 ratings)](https://appshunter.io/ios/app/crew-rest-calculator/id1662243748/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 30 MB | 13 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WILL3D](https://appshunter.io/developer/1662243750) | [South African Airways (Proprietary) Limited](https://appshunter.io/developer/619821299) |

## What reviewers say

### Crew Rest Calculator

[App page](https://appshunter.io/ios/app/crew-rest-calculator/id1662243748)

Instantly calculate fair and exact rest periods for flight crews using Zulu time. This app handles standard and complex shift rotations, ensuring no crew member's break is cut short. It offers smart time parsing and organizational tools with alerts.

**Highlights:** Calculate shift rotations in Zulu time, Easy and Advanced calculation modes, Fair rest time distribution, Smart Zulu time parsing (HH:MM, HHMM, HMM), Assign names to rest slots, Vibration and notification alerts

**In-app purchases:** none


### SAA Crew EFB

[App page](https://appshunter.io/ios/app/saa-crew-efb/id6476380115)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crew Rest Calculator free?

Crew Rest Calculator is free to download, with no in-app purchases.

### Is SAA Crew EFB free?

SAA Crew EFB is free to download, with no in-app purchases.

### Do Crew Rest Calculator or SAA Crew EFB have ads?

Neither Crew Rest Calculator nor SAA Crew EFB shows ads.

### Which is updated more often, Crew Rest Calculator or SAA Crew EFB?

Crew Rest Calculator ships an update every 5 months, and SAA Crew EFB every 2 months. Most recently, Crew Rest Calculator was updated on October 24, 2026 and SAA Crew EFB on October 27, 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.*