MachDB vs MySimpleLog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MachDB
Easily download and transfer Garmin avionics database updates to an SD card using your iPhone or iPad. This app supports a wide range of Garmin avionics and requires only a standard USB-C SD card reader. Updates are fast and convenient for field use.
- Download Garmin database updates
- Transfer updates to SD card
- iPhone and iPad compatible
- Supports various Garmin avionics
- Uses standard USB-C SD card reader
- Fast Wi-Fi/Cellular downloads
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MachDB allows you to download and transfer Garmin avionics database updates to an SD card in seconds using your iPhone or iPad for fast updates in the field. All you need is your iPhone or iPad and a standard USB-C SD card reader. No proprietary hardware required! Download fast over Wi-Fi or Cellular connections. MachDB is compatible with all modern Garmin avionics that use SD cards or USB keys for database updates, using your existing Jeppesen or Garmin database account. Supported avionics include: -Garmin G1000, G1000 Nxi, Perspective and Perspective + -Garmin G3000 and Perspective Touch -Garmin GTN 600 and 700 Xi -Garmin G500, G600 and G700 -Garmin G3X and G2000 -Garmin GI 275 Supported Database Providers: -Jeppesen -Garmin
MySimpleLog
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SimpleLog – Pilot Logbook SimpleLog is a fast, modern Pilot Logbook for airline pilots, commercial pilots, and private pilots. Track flight time, duty time, IFR, night, PIC, SIC, and aviation experience with a streamlined digital logbook designed for real-world operations. Built by an airline pilot, SimpleLog helps you log flights faster while keeping full control of your data. FAST FLIGHT LOGGING Log flights in seconds: • Date • Departure airport & time • Arrival airport & time • Tap Calculate • Save Optimized for fast, accurate flight logging with minimal typing. AUTOMATIC FLIGHT TIME CALCULATIONS Automatically calculate: • Flight time • Duty time • Block time • Night time • IFR time • PIC time • SIC time • Cross-country time • Multi-engine time • Aircraft totals • Currency totals IMPORT EXISTING PILOT LOGBOOKS Transfer your pilot hours and flight history without manual re-entry. Import flight records from: • SWAPA CSV reports • Qatar Airways XLSX reports • LogTen Pro TXT export • SimpleLog Legacy CSV export • Wader CSV export • ForeFlight CSV export • Additional airline and aviation logbook formats coming soon PROFESSIONAL REPORTS Generate: • Printable EASA-compliant logbook reports • Printable Jeppesen-style layouts • Flight hour summaries ANALYSIS & AVIATION INSIGHTS Track: • Total flight hours • PIC/SIC totals • IFR and night currency • Aircraft type experience • Airport history • Operational statistics • Duty summaries INTERACTIVE AVIATION MAP Visualize: • Visited airports • Flight routes • Aviation history • Route network activity LOCAL-FIRST & PRIVATE • No account required • No subscriptions required • No cloud dependency • No tracking • No analytics • No advertising Your pilot logbook data stays on your device. FULL DATA OWNERSHIP • Offline-first architecture • Local database storage • Device-to-device local network transfer • Flexible backup & export options BUILT FOR PILOTS • Airline pilots • Commercial pilots • Corporate pilots • Flight instructors • Student pilots • Private pilots OPEN SOURCE PILOT LOGBOOK SimpleLog is open source, providing transparency and full control over your aviation records. SimpleLog helps pilots log flight time faster, reduce workload, and maintain accurate professional aviation records.
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Verdict
The clearest difference is iOS requirement: MySimpleLog at 15.6 against MachDB's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 8, 2026.
| Parameter | MachDB | MySimpleLog |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 16 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | MachDB LLC | Ricardo Brito Riet Correa |
In-app purchases
MachDB
No in-app purchases
MySimpleLog
No in-app purchases
Questions
Is MachDB free?
Is MySimpleLog free?
Do MachDB or MySimpleLog have ads?
Which is updated more often, MachDB or MySimpleLog?
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