Engine Link vs Flash Cleaner Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Engine Link
Transform your iPhone into a powerful vehicle diagnostics tool. Monitor real-time performance, read and clear fault codes, and customize your dashboard with detailed sensor data. Supports emission testing and offers a HUD mode for night driving.
- Real-time vehicle monitoring
- Read and clear OBD fault codes
- Customizable gauges and dashboards
- MPG widget and fuel efficiency plotting
- Heads up display (HUD) mode
- Horsepower, torque, and acceleration metrics
- Custom PID support
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EngineLink will turn your iPhone/iPod into vehicle / car performance / diagnostics tool and scanner that uses an OBD II WIFI adapter or a low Energy Bluetooth adapter (LELink, LELink2, Carista, Viecar) to connect to your OBD2 engine management / ECU. The only iPhone app does custom PID, now supports Torque custom PID file. BENEFITS: * Emission Test. * See what your car is doing in real-time. * Read and clear OBD fault codes. * Display car performance and sensor data. * Customizable gauges, showing only the data you were interested in * Top Ranked Car App * No in-app purchase and No subscription fees! __________________ FEATURES: + Show and reset a DTC / CEL / fault code (current, pending and history) like a scan tool + Graph data + MPG widget to plot real time fuel efficiency + Heads up display / HUD mode for night time driving (mirror the display on your vehicle's windshield) + Can read Transmission Temperatures (vehicle dependant) + Horsepower/HP & Torque / acceleration + Boost / vacuum gauge + Engine speed / Engine RPM / Engine Load /Coolant / Fuel Tank + Customizable dashboard + Full configurable GUI with user choice of dial gauge, bar gauge, plot gauge, digital gauge, and on-off gauge as display elements + Full custom PID support. + Formula support. + Preloaded GM and Ford PID libraries + Preloaded standard PID library and Prius PID libraries . + User can add more libraries within the app or by using iTunes File Sharing + Multiple ECU support. Non-CAN, 11-bit CAN, and 29-bit CAN ECU bus types + Multiframe data support + Background color option + Email user log function (access by long pressing custom PID screen) + Multiple PID formula support + 0 to 60mph timer and quarter mile timer __________________ EngineLink supports all OBD-II and EOBD compliant vehicles sold worldwide. If in doubt check with your manufacturer first or look for 'OBD2' on written on a big white label in your engine bay. The app needs an ELM compatible Bluetooth Low Energy (for iPhone4s and later) or Wi-Fi adapter to work. You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html *** If you have Bluetooth OBD adaptor, please contact support@ksolution.org for instruction before you purchase this app. Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.
Flash Cleaner Pro
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Flash Cleaner Pro helps you organize your photo library and free up storage space quickly and safely. Key Features: • Duplicate Photo Cleaner Find and remove duplicate photos to recover valuable storage space. • Similar Photo Detection Identify visually similar photos and keep only the best shots. • Video Cleaner Locate large and duplicate videos that take up unnecessary space. • Contact Cleanup Merge duplicate contacts and organize your address book. • Storage Overview Monitor device storage usage and understand what's consuming space. • Fast & Easy Clean your library with an intuitive and user-friendly interface. Why Choose Flash Cleaner Pro? - Smart duplicate detection - Easy photo and video management - Secure and private processing - Quick storage recovery - Simple and modern design Privacy First Your photos, videos, and contacts remain under your control. Flash Cleaner Pro processes data on your device and does not upload personal content without permission. Download Flash Cleaner Pro and enjoy a cleaner, more organized iPhone today.
Screenshots
Verdict
The clearest difference is price: Flash Cleaner Pro at Free against Engine Link's $5.99. Flash Cleaner Pro also leads on update cadence (every 2 weeks vs every 2 months). Engine Link's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases 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
Flash Cleaner Pro is free to download; Engine Link costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Engine Link ships an update every 2 months, Flash Cleaner Pro every 2 weeks. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.
| Parameter | Engine Link | Flash Cleaner Pro |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 2.9 (62 ratings) — better | — |
| Positive reviews | 38.2% of reviews | — |
| Number of ratings | 62 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 10 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | K SOLUTION LLC | 虎 杨 |
Bugs and requests
Engine Link
Reported bugs
4 issues- App crashes on connection
- Fails to read/clear error codes
- Inaccurate sensor readings
- Compatibility issues with certain OBD dongles
Requested features
5 requests- Add support for more vehicle types
- Improve user interface and customization options
- Add more PID support, especially for EVs
- Implement language localization
- Improve data logging and export capabilities
Flash Cleaner Pro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Engine Link
No in-app purchases
Flash Cleaner Pro
No in-app purchases
Questions
Is Engine Link free?
Is Flash Cleaner Pro free?
Do Engine Link or Flash Cleaner Pro have ads?
Which is updated more often, Engine Link or Flash Cleaner Pro?
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