FuelTech Datalog Viewer vs Aces Connect
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
Read full descriptionHide full description
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!
Aces Connect
Wirelessly control your engine's EFI system with real-time data monitoring and instant adjustments. Tune your engine on the fly and review detailed performance logs through an intuitive interface.
- Wireless Bluetooth connection
- Real-time engine data monitoring
- Instant tuning adjustments
- Performance data logging
- Customizable dashboards
Read full descriptionHide full description
The Aces Connect App gives you complete wireless control over your Aces EFI system through the Aces Bluetooth module. Whether you’re fine-tuning at the track, monitoring live engine data, or reviewing detailed logs, the app provides everything you need in a sleek, easy-to-use interface. Key Features: Wireless Connection: Pair your ACES EFI system with your iOS device via Bluetooth — no wired connection required. Real-Time Monitoring: View live engine parameters with customizable dashboards. Instant Adjustments: Make tuning changes on the fly for peak performance. Data Logging: Record, save, and review logs for performance analysis. Whether you’re a performance enthusiast or professional tuner, the ACES Mobile Tuning App puts ultimate EFI control right in your hands.
Screenshots
Verdict
The clearest difference is review sentiment: Aces Connect at 100% against FuelTech Datalog Viewer's 40%. Aces Connect also leads on update cadence (every 2 months vs every 9 months) and rating (5.0 vs 4.8). FuelTech Datalog Viewer's advantage is iOS requirement (9.3 vs 13.0). 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.
Aces Connect holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 40% of FuelTech Datalog Viewer's written reviews are positive against 100% of Aces Connect's.
FuelTech Datalog Viewer ships an update every 9 months, Aces Connect every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | FuelTech Datalog Viewer | Aces Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 4 |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 168 MB | 45 MB |
| Age rating | 4+ | 17+ |
| Developer | FuelTech | ACES FUEL INJECTION INC |
Customer experience
FuelTech Datalog Viewer
Aces Connect
In-app purchases
FuelTech Datalog Viewer
No in-app purchases
Aces Connect
No in-app purchases
Questions
Is FuelTech Datalog Viewer free?
Is Aces Connect free?
Which has better reviews, FuelTech Datalog Viewer or Aces Connect?
Do FuelTech Datalog Viewer or Aces Connect have ads?
Which is updated more often, FuelTech Datalog Viewer or Aces Connect?
Other comparisons















