Comparison

HeliLog vs TdSE

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

Head to head
About

HeliLog

Easily record all flight information with simple button selections, designed for quick and safe logging during single-pilot operations. Track engine run time, flight time, hook time, and fuel usage, with reports that can be emailed for maintenance or personal logbooks.

Highlights
  • Easy flight information recording
  • Record engine run time, flight time, hook time
  • Track fuel usage
  • Generate flight reports
  • Email reports for maintenance
  • Supports multiple aircraft registrations
  • Database backup and restore
Features
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HeliLog is an app that will let you easily record all flight information with simple button selections. It is designed so that critical logbook information can be recorded quickly, easily and most important safely even during single pilot operations. By placing your device in a easily accessible location time taken to record events during the flight are minimal resulting in your hands being off the controls for the minimum possible time. HeliLog records engine run time, flight time, hook time along with fuel usage. HeliLog clearly displays all elapsed times for engine run, flight and hook along with the number of cycles of each type of event during a specific engine run or flight. At the end of the flight or operation HeliLog can produce a report detailing all information about the flight or operation to then be transcribed into the maintenance log or your personal logbook as required. These reports can also be emailed enabling you to send critical information to maintenance or operations personnel even while you may be out in the field. HeliLog enables you to use your device in numerous machines as all data is recorded against a specific registration. As a backup, the entire database can be emailed and then installed on any device with the HeliLog app installed.

About

TdSE

Features
Read full description

The TdSE app lets you browse times, locations, and descriptions for sessions, and special events and more information about the symposium.

Screenshots

HeliLog4 screens
TdSE4 screens

Verdict

The call

The clearest difference is price: TdSE at Free against HeliLog's $2.99. HeliLog's advantage is iOS requirement (12.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

TdSE is free to download; HeliLog costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HeliLog ships an update every 14 months, TdSE every 24 months. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

Scorecard2 real differences ยท 6 level
HeliLog versus TdSE: the parameters behind the verdict, then further details
ParameterHeliLogTdSE
Price$2.99Free โ€” better
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 14 months โ€” betterEvery 24 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidโ€”
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS12.0 โ€” better15.6
Further details โ€” not scored
Size14 MB80 MB
Age rating4+4+
DeveloperStealth Productions LimitedNC Lab

In-app purchases

None

HeliLog

No in-app purchases

None

TdSE

No in-app purchases

Questions

Is HeliLog free?
HeliLog costs $2.99, with no in-app purchases.
Is TdSE free?
TdSE is free to download, with no in-app purchases.
Do HeliLog or TdSE have ads?
Neither HeliLog nor TdSE shows ads.
Which is updated more often, HeliLog or TdSE?
HeliLog ships an update every 14 months, and TdSE every 24 months. Most recently, HeliLog was updated on November 2, 2026 and TdSE on October 29, 2026.

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