FuelTech Datalog Viewer vs Compression Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FuelTech Datalog Viewer
Analyze engine data logs from compatible FuelTech ECUs on your mobile device. View up to four channels simultaneously for quick data analysis and check status events for errors. Log files must be transferred to the device manually.
- View up to 4 recorded channels simultaneously
- Quick data analysis
- Check status events for errors
- Supports FT450, FT500, FT500LITE, FT550, FT550LITE, FT600 models
- Log file viewer for phone/tablet
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The FuelTech Datalog Viewer application is a log file viewer for your phone or tablet to the Power FT line, which includes the FT450, FT500, FT500LITE, FT550, FT550LITE and FT600 models. With it, you can simultaneously view up to 4 recorded channels, allowing a quick data analysis. The status events are also available through the application, allowing you to easily check for errors while recording the log. Note: The application does not allow a direct connection to the ECU. You need to send the log file to the phone via email, WhatsApp, Dropbox or any other means. Visit http://www.fueltech.net for more information!
Compression Calculator
Calculate engine compression, displacement, and piston speed using specific Honda engine parameters. Select engine components to get precise calculations for your automotive needs.
- Engine compression calculation
- Displacement calculation
- Piston speed calculation
- Honda B, D, H/F, K-Series engine support
- Component selection for custom calculations
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Engine Compression Calculator which contains B-, D-, H/F- and K-Series Honda™ Engine parameters. Select your engine components and calculate your engine compression, displacement, pistons speed...etc. The trademark "Honda" and any other product names, service names or logos of Honda used, quoted and/or referenced in this app are trademarks or registered trademarks of Honda or any of its affiliates. Other product names and/or company names used in the app may be protected as their trademarks and/or trade names.
Screenshots
Verdict
The clearest difference is rating: FuelTech Datalog Viewer at 4.8 against Compression Calculator's 3.0. FuelTech Datalog Viewer also leads on review sentiment (40% vs 0%) and iOS requirement (9.3 vs 11.4). Compression Calculator's advantage is update cadence (every 9 days vs every 9 months). On price, ratings volume, 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.
FuelTech Datalog Viewer holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 40% of FuelTech Datalog Viewer's written reviews are positive against 0% of Compression Calculator's.
FuelTech Datalog Viewer ships an update every 9 months, Compression Calculator every 9 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.
| Parameter | FuelTech Datalog Viewer | Compression Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | 3.0 (3 ratings) |
| Positive reviews | 40.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 9 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 11.4 |
| Further details — not scored | ||
| Size | 168 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | FuelTech | Peter Linszter |
Customer experience
FuelTech Datalog Viewer
Compression Calculator
In-app purchases
FuelTech Datalog Viewer
No in-app purchases
Compression Calculator
No in-app purchases
Questions
Is FuelTech Datalog Viewer free?
Is Compression Calculator free?
Which has better reviews, FuelTech Datalog Viewer or Compression Calculator?
Do FuelTech Datalog Viewer or Compression Calculator have ads?
Which is updated more often, FuelTech Datalog Viewer or Compression Calculator?
Other comparisons
