e85Cal vs TunerView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
e85Cal
This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.
- Calculate ethanol percentage goal
- Enter gas tank size
- Input standard pump gas ethanol %
- Input ethanol pump gas ethanol %
- Set target ethanol % mix
- Enter current fuel level %
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e85Cal help you calculate your ethanol percentage goal. It fast, simple, and easy to use. Just enter the following information: 1) How big is your gas tank? 2) What is the ethanol % in the standard pump gas? 3) What is the ethanol % in the ethanol pump gas? 4) What is your target ethanol % mix goal? 5) What is your current ethanol % min in your vehicle? 6) What is your current fuel level % in your vehicle? Results will display how many gallons or liters of standard and ethanol gas to pump in your vehicle based on your input.
TunerView
This app connects to your vehicle's ECU via a Bluetooth adapter to provide real-time data logging and dashboard displays. Unlock specific datalog protocols through in-app purchases to utilize its full functionality for automotive tuning.
- Real-time datalogging
- Customizable dashboard
- Bluetooth ECU connection
- Support for specific ECUs
- In-app protocol purchases
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TunerView is a Realtime Datalog/Dash tool which uses bluetooth adapter to connect to your ECU. App is not free, you must have to buy a datalog protocol via In-App payment to use the app. We can refund your purchase if you have problem or you don't like the app. If you have any issue, please contact support by email! Currently supported protocols/devices: - KTunerFlashV1.2 (Honda™) (ONLY WITH SERIAL NUMBER LAST 5 DIGIT IS 14000 OR HIGHER!) - KTunerFlashV2 (Honda™) (ONLY WITH SERIAL NUMBER LAST 5 DIGIT IS 14000 OR HIGHER!) - ECUMaster EMU Classic - ECUMaster EMU Black
Screenshots
Verdict
The clearest difference is review sentiment: e85Cal at 83% against TunerView's 40%. e85Cal also leads on rating (4.7 vs 3.1) and in-app purchases (none vs 4). TunerView's advantage is update cadence (every 6 weeks vs every 4 months). On price, ratings volume, ads and device support 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. TunerView sells 4 one-off in-app purchases. e85Cal asks for nothing beyond the download.
e85Cal holds the better App Store score, 4.7 against 3.1. Both are backed by a comparable volume of ratings — 35 and 40 respectively. Written reviews point the same way: 83% of e85Cal's written reviews are positive against 40% of TunerView's.
e85Cal ships an update every 4 months, TunerView every 6 weeks. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.
| Parameter | e85Cal | TunerView |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (35 ratings) — better | 3.1 (40 ratings) |
| Positive reviews | 83.3% of reviews — better | 40.0% of reviews |
| Number of ratings | 35 | 40 — better |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Joe | Peter Linszter |
Customer experience
e85Cal
TunerView
In-app purchases
e85Cal
No in-app purchases
TunerView
- KTuner Protocol$4.99
- ECUMaster Protocol$4.99
- eCTune/HTS Protocol$4.99
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- Neptune Protocol$4.99
