# FMS 737 vs Smart Logbook

The clearest difference is review sentiment: Smart Logbook at 93% against FMS 737's 50%. Smart Logbook also leads on rating (4.8 vs 3.7) and ratings volume (153 vs 3). FMS 737's advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Logbook sells 5 in-app purchases, starting at $1.99 per month. FMS 737 asks for nothing beyond the download.

Smart Logbook holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Smart Logbook has 153 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of FMS 737's written reviews are positive against 93% of Smart Logbook's.

FMS 737 ships an update every 5 months, Smart Logbook every 3 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | FMS 737 | Smart Logbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/fms-737/id1160243181/reviews) | **[4.8 (153 ratings)](https://appshunter.io/ios/app/smart-logbook/id1265793520/reviews)** |
| Number of ratings | 3 | **153** |
| Positive reviews | 50.0% of reviews | **93.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 73 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ECA Faros](https://appshunter.io/developer/1109979311) | [Kviation, Inc.](https://appshunter.io/developer/1265793519) |

## What reviewers say

### FMS 737

[App page](https://appshunter.io/ios/app/fms-737/id1160243181)

This application provides a free-play simulation of the B737 Flight Management System. It's designed for training centers to help pilots familiarize themselves with the system before simulator sessions, offering an easy-to-use interface and comprehensive functions.

**Highlights:** B737 FMS simulation, Free play mode, Accurate simulation, Easy-to-use interface, Complete set of functions, Pilot familiarization tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Logbook

[App page](https://appshunter.io/ios/app/smart-logbook/id1265793520)

Effortlessly log flight hours, track currency, and manage pilot certifications. Visualize your flight history on an interactive map and receive timely renewal reminders for medicals and training. Supports various international regulations and export formats.

**Highlights:** Fast and easy flight logging, Customizable totals calculation, Currency and limit tracking, Medical and training renewal reminders, Interactive flight map, Electronic signature capture, Multiple export formats

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sync (monthly) | $1.99 | per month |
| Sync (yearly) | $14.99 | per year |
| Unlimited Flights (discounted) | $19.99 | one-time |
| Unlimited Flights (on sale) | $23.95 | one-time |
| Unlimited Flights | $34.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface
- 💰 Affordable one-time payment
- 🚀 Seamless syncing across devices
- 🛠️ Highly customizable
- 🌟 Excellent customer support

**What reviewers complain about**

- 🐛 Rare updates
- 🐛 Small but frustrating bugs
- 🐛 Sorting issues (requires UTC date setting)
- ❓ Bug reporting requires third-party registration
- ❓ Registration form missing (only sign-in available)

**Reported bugs**

- Multiple sectors during one day sorted by name, not by time of departure
- Some airports missing (e.g., VDTI)
- Flights added as simulator flights
- Search function is terrible, impossible to find crew member
- Cross-platform purchase restoration issues (Android to iOS)

**Requested features**

- Ability to input waypoints instead of just airports
- Automatically add normal flight times for a route
- Separate flights by year on the main page for better overview
- Display flight direction on the map
- Allow custom names in the create an airport option


## Frequently asked questions

### Is FMS 737 free?

FMS 737 is free to download, with no in-app purchases.

### Is Smart Logbook free?

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

### Which has better reviews, FMS 737 or Smart Logbook?

Smart Logbook is rated higher. FMS 737 averages 3.7 out of 5 from 3 ratings, while Smart Logbook averages 4.8 from 153 ratings.

### Do FMS 737 or Smart Logbook have ads?

Neither FMS 737 nor Smart Logbook shows ads.

### Which is updated more often, FMS 737 or Smart Logbook?

FMS 737 ships an update every 5 months, and Smart Logbook every 3 months. Most recently, FMS 737 was updated on October 7, 2026 and Smart Logbook on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*