# APDL vs Rest Break Optimizer

The clearest difference is rating: APDL at 4.4 against Rest Break Optimizer's 3.2. APDL also leads on ratings volume (984 vs 9) and review sentiment (37% vs 25%). Rest Break Optimizer's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. APDL sells 4 one-off in-app purchases. Rest Break Optimizer asks for nothing beyond the download.

APDL holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: APDL has 984 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 37% of APDL's written reviews are positive against 25% of Rest Break Optimizer's.

APDL ships an update every 4 months, Rest Break Optimizer every 2 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | APDL | Rest Break Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (984 ratings)](https://appshunter.io/ios/app/apdl-airline-pilot-logbook/id669185248/reviews)** | [3.2 (9 ratings)](https://appshunter.io/ios/app/rest-break-optimizer/id1191095945/reviews) |
| Number of ratings | **984** | 9 |
| Positive reviews | **36.9% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 210 MB | 27 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NC Software, Inc.](https://appshunter.io/developer/375139153) | [SPR Technical Services LLC](https://appshunter.io/developer/953643274) |

## What reviewers say

### APDL

[App page](https://appshunter.io/ios/app/apdl-airline-pilot-logbook/id669185248)

This app serves as a comprehensive daily logbook for airline pilots, built by pilots for pilots. It offers detailed legality calculations, duty time management, schedule importing, and payroll tracking, all while ensuring compliance with Part 117 regulations.

**Highlights:** Part 117 legality calculations, Duty time management, Payroll tracking and calculator, Schedule importing, Flight logging and updates, Customizable status board, Exportable reports

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| APDL 30 Days | $51.99 | one-time |
| APDL 3 Months | $103.99 | one-time |
| APDL 6 Months | $151.99 | one-time |
| APDL 1 Year | $199.99 | one-time |

**What reviewers like**

- 🚀 Automatic OOOI times and flight data import
- 🔒 Accurate FAR 117 legality tracking
- 👍 Customizable logbook and payroll features
- 🚀 Commute flight information lookup

**What reviewers complain about**

- 🐛 Issues with schedule import and data sync
- 💰 Expensive subscription cost
- 🔍 Limited support for non-121 operations
- 🔍 Lack of integration with other logbook apps

**Reported bugs**

- Logbook data loss and login issues
- Unreliable schedule import and date changes
- Commute flight information duplication

**Requested features**

- Improved schedule import and sync capabilities
- Support for Part 135 and cargo operations
- Automatic sync with Logbook Pro
- Enhanced reporting and data export options


### Rest Break Optimizer

[App page](https://appshunter.io/ios/app/rest-break-optimizer/id1191095945)

This app helps flight crews calculate optimal rest breaks and manage work schedules. It offers multiple break patterns and displays schedules graphically, including circadian low information, to minimize fatigue and maximize rest quality.

**Highlights:** Multi break pattern options, Automatic schedule updates, Compact textual and graphical displays, Window of Circadian Low (WOCL) information, Save and share flight schedules, Extensive airport database

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is APDL free?

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

### Is Rest Break Optimizer free?

Rest Break Optimizer is free to download, with no in-app purchases.

### Which has better reviews, APDL or Rest Break Optimizer?

APDL is rated higher. APDL averages 4.4 out of 5 from 984 ratings, while Rest Break Optimizer averages 3.2 from 9 ratings.

### Do APDL or Rest Break Optimizer have ads?

Neither APDL nor Rest Break Optimizer shows ads.

### Which is updated more often, APDL or Rest Break Optimizer?

APDL ships an update every 4 months, and Rest Break Optimizer every 2 months. Most recently, APDL was updated on November 1, 2026 and Rest Break Optimizer on October 29, 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.*