# HeliLog vs TdSE

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.

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

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.

## The numbers

| Metric | HeliLog | TdSE |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 24 months |
| Monetization | Paid | — |
| Size | 14 MB | 80 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stealth Productions Limited](https://appshunter.io/developer/571321895) | [NC Lab](https://appshunter.io/developer/889870684) |

## What reviewers say

### HeliLog

[App page](https://appshunter.io/ios/app/helilog/id1077665868)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TdSE

[App page](https://appshunter.io/ios/app/tdse/id1483912060)

**Features:** macOS Compatibility

**In-app purchases:** none


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