Comparison

Bad Elf Wombat vs MachDB

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bad Elf Wombat

This free utility app works with the Bad Elf Wombat hardware accessory. It enables pilots to download aviation databases and transfer them to a USB drive or SD card. It also facilitates the collection and uploading of flight and engine logs to various aviation analysis sites.

Highlights
  • Download aviation databases
  • Transfer data to USB/SD via Wombat accessory
  • Collect flight and engine logs
  • Upload logs to analysis sites
  • Check hardware health
  • Perform firmware updates
  • Format media
Read full description

This free utility app is used in conjunction with the Bad Elf Wombat hardware accessory. This app allows pilots and operators to download aviation databases from compatible avionics websites to their iPad or iPhone via Wi-Fi or cellular. Once downloaded, the user can then connect to the Bad Elf Wombat accessory via Wi-Fi to transfer the database(s) to a USB drive or SD card. Pilots can also collect flight and engine logs from compatible avionics, and upload them to sites such as SavvyAnalysis, CirrusReports, and myTBM.aero. Logs can also be shared with 3rd party apps such as CloudAhoy, Dropbox, or the Mail app. This app also allows the user to check the health of their Wombat hardware, perform firmware updates, and format USB/SD media. Visit www.bad-elf.com/wombat to learn more about the Bad Elf Wombat accessory.

About

MachDB

Easily download and transfer aviation database updates to an SD card or USB key using your iPhone or iPad. Supports major avionics systems like Garmin, Avidyne, and Pro Line for quick field updates.

Highlights
  • Download and transfer aviation database updates
  • Supports SD card and USB key transfer
  • Compatible with Garmin, Avidyne, and Pro Line avionics
  • Fast updates over Wi-Fi or Cellular
  • No proprietary hardware required
  • Works with existing Jeppesen or Garmin accounts
Read full description

MachDB allows you to download and transfer aviation database updates to an SD card or USB key in seconds using your iPhone or iPad for fast updates in the field. Supports Garmin, Avidyne, and Pro Line avionics. All you need is your iPhone or iPad and a standard USB-C SD card reader (for SD updates) or USB-A to C cable (for USB updates). No proprietary hardware required! Download updates fast over Wi-Fi or Cellular connections. MachDB is compatible with all modern Garmin, Avidyne, and Pro Line avionics, using your existing Jeppesen or Garmin database account. No additional subscription or cost required. Supported avionics include: -Garmin G1000, G1000 Nxi, Perspective and Perspective + -Garmin G2000, G3000, G3X and Perspective Touch -Garmin Axis, G500, G600, G700, GTN 600 and 700 Xi -All other Garmin avionics using SD card or USB key for updates -Avidyne IFD, Vantage, and Entegra -Collins Pro Line 21 and Pro Line Fusion Supported Database Providers: -Jeppesen -Garmin

Screenshots

Bad Elf Wombat3 screens
MachDB3 screens

Verdict

The call

The clearest difference is rating: Bad Elf Wombat at 5.0 against MachDB's 4.3. Bad Elf Wombat also leads on iOS requirement (9.0 vs 17.0). On price, ratings volume, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Bad Elf Wombat holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 8 and 6 respectively.

UpkeepUpdate frequency

Bad Elf Wombat ships an update every 4 weeks, MachDB every 2 weeks. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 8 level
Bad Elf Wombat versus MachDB: the parameters behind the verdict, then further details
ParameterBad Elf WombatMachDB
PriceFreeFree
Rating5.0 (8 ratings) — better4.3 (6 ratings)
Positive reviews—66.7% of reviews
Number of ratings8 — better6
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size51 MB18 MB
Age rating4+4+
DeveloperBad Elf, LLC.MachDB LLC

Customer experience

Bad Elf Wombat

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

MachDB

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Bad Elf Wombat

No in-app purchases

None

MachDB

No in-app purchases

Questions

Is Bad Elf Wombat free?
Bad Elf Wombat is free to download, with no in-app purchases.
Is MachDB free?
MachDB is free to download, with no in-app purchases.
Which has better reviews, Bad Elf Wombat or MachDB?
Bad Elf Wombat is rated higher. Bad Elf Wombat averages 5.0 out of 5 from 8 ratings, while MachDB averages 4.3 from 6 ratings.
Do Bad Elf Wombat or MachDB have ads?
Neither Bad Elf Wombat nor MachDB shows ads.
Which is updated more often, Bad Elf Wombat or MachDB?
Bad Elf Wombat ships an update every 4 weeks, and MachDB every 2 weeks. Most recently, Bad Elf Wombat was updated on November 2, 2026 and MachDB on November 9, 2026.

Other comparisons