Comparison

Defi Meter C vs Engine Link LE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Defi Meter C

Connects to the Defi Smart Adapter W via Bluetooth to display vehicle data from ADVANCE Control Unit or OBD on your iOS device. View various sensor readings like speed, RPM, and temperature in analog or digital formats.

Highlights
  • Bluetooth connectivity
  • Displays vehicle sensor data
  • Analog and digital meter views
  • Customizable meter styles
  • Supports various sensor readings
Features
Read full description

本アプリはDefi Smart Adapter WとBluetoothで接続して使用するアプリです。 Defi Smart Adapter WはADVANCE Control UnitやOBDと接続して使用する製品で、 ADVANCE Control Unitに取り込んでいる車両情報またはOBDの車両情報をBluetoothでiOS端末に送信するアダプターです。 Defi Webサイトに記載の注意点および使用方法を必ずお読みになってからダウンロードしてください。 必ずDefiにて動作確認が取れた携帯端末をご使用ください。 動作確認が取れている携帯端末につきましてはDefi Webサイトに記載しております。 Defi ADVANCEコントロールユニットまたはOBDに入力されているセンサーデータがメーターとして表示されます。 表示可能な機種は、車速、エンジン回転数、吸気圧、油圧、燃圧、油温、水温、排気温度、電圧、スロットル開度、吸気温度、ギアポジションです。 アナログメーター表示やデジタルメーター表示機種をタッチすると、切り替えできます。 本アプリはADVANCE CR/BFのデザインとマッチしたスタイルです。 アプリが正常に動作しない場合や、ご不明点等がありましたら、下記Defi Webサイトの問い合わせフォームよりご連絡ください。  http://www.nippon-seiki.co.jp/defi/support/inquiry/

About

Engine Link LE

Transform your iPhone into a vehicle diagnostics tool. Monitor real-time performance, read and clear fault codes, and customize gauges to display the data you need. Requires a LELink adapter for OBD2 connection.

Highlights
  • Real-time vehicle data display
  • Read and clear OBD fault codes
  • Customizable gauges and dashboard
  • MPG widget and fuel efficiency tracking
  • Heads-up display (HUD) mode
  • Horsepower, torque, and acceleration metrics
  • Support for various OBD-II/EOBD vehicles
Features
Read full description

EngineLink LE will turn your iPhone/iPod into vehicle / car performance / diagnostics tool and scanner that uses a LELink (low Energy Bluetooth) adapter to connect to your OBD2 engine management / ECU. 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 * 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 dependent) + 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 LELink or LELink2 (Bluetooth Low Energy) to work. The following iOS devices supports Bluetooth Low Energy BLE 4.0 and will work with LELink: iPhone 4s or later iPad (3rd generation) or later iPad mini or later iPod touch (5th generation) or later. You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.

Screenshots

Defi Meter C4 screens
Engine Link LE4 screens

Verdict

The call

Defi Meter C and Engine Link LE both sit at 3.3 stars, but that hides the real split: 46% of Engine Link LE's written reviews are positive against 20% of Defi Meter C's. Engine Link LE also leads on ratings volume (12 vs 4). Defi Meter C's advantage is update cadence (every 5 weeks vs every 6 months) and iOS requirement (8.0 vs 12.0). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.3 for Defi Meter C against 3.2 for Engine Link LE. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews are what separate them: 20% of Defi Meter C's written reviews are positive against 46% of Engine Link LE's.

UpkeepUpdate frequency

Defi Meter C ships an update every 5 weeks, Engine Link LE every 6 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Defi Meter C versus Engine Link LE: the parameters behind the verdict, then further details
ParameterDefi Meter CEngine Link LE
PriceFreeFree
Rating3.3 (4 ratings) — better3.2 (12 ratings)
Positive reviews20.0% of reviews46.2% of reviews — better
Number of ratings412 — better
Update frequencyEvery 5 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size6 MB9 MB
Age rating4+4+
DeveloperDefiK SOLUTION LLC

Customer experience

Defi Meter C

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

Engine Link LE

All ratings12 ratings
Positive50.0%
Neutral8.3%
Negative41.7%
Written reviews13 reviews
Positive46.2%
Neutral15.4%
Negative38.5%

In-app purchases

None

Defi Meter C

No in-app purchases

None

Engine Link LE

No in-app purchases

Questions

Is Defi Meter C free?
Defi Meter C is free to download, with no in-app purchases.
Is Engine Link LE free?
Engine Link LE is free to download, with no in-app purchases.
Which has better reviews, Defi Meter C or Engine Link LE?
Defi Meter C is rated higher. Defi Meter C averages 3.3 out of 5 from 4 ratings, while Engine Link LE averages 3.2 from 12 ratings.
Do Defi Meter C or Engine Link LE have ads?
Neither Defi Meter C nor Engine Link LE shows ads.
Which is updated more often, Defi Meter C or Engine Link LE?
Defi Meter C ships an update every 5 weeks, and Engine Link LE every 6 months. Most recently, Defi Meter C was updated on October 8, 2026 and Engine Link LE on October 10, 2026.

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