Comparison

BM DIAG vs Proformance Link

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

Head to head
About

BM DIAG

Features
Read full description

BM DIAG is a motorcycle diagnostic tool that supports most of the diagnostic functions for the entire vehicle series and system. 1. Support motorcycle models: C-C01,C-K07,C-K08,C-K09,C-K17,C-K18,C-K19,E-EXX,F-E169,F-K14,F-K70,F-K71,F-K72,F-K73,F-K75,F-K80,F-K81,F-K82,F-K83,F-K84,F-R13,G-K01,G-K02,G-K03,G-K15,G-K16,G-R13,K-K40,K-K41,K-K43,K-K44,K-K48,K-K569,K-K589,K-K61,R-246,R-247,R-247E,R-248,R-259,R-259C,R-259R,R-259S,R-A67,R-K21,R-K22,R-K23,R-K25,R-K26,R-K27,R-K28,R-K29,R-K30,R-K32,R-K33,R-K34,R-K35,R-K50,R-K51,R-K52,R-K53,R-K54,R-R21,R-R22,R-R28,S-K42,S-K46,S-K47,S-K49,S-K60,S-K63,S-K66,S-K67,S-K69,S-KM3 2. Support automatic recognition of vehicle models. 3. Support all-systems quick test. 4. Support all basic function: ECU Information, Read DTC, Clear DTC, Data List, Active Test. 5. Support most of service functions.

About

Proformance Link

This diagnostic tool connects to trucks via Bluetooth to read and clear fault codes, monitor data streams, and perform DPF regeneration and speed limit calibration. It supports various popular truck engine models and offers real-time updates for advanced functions.

Highlights
  • Bluetooth connectivity
  • Fault code lookup and clearing
  • Data stream viewing
  • DPF regeneration and reset
  • Speed limit calibration
  • Supports multiple engine models
Features
Read full description

1. ProformanceLink is a diagnostic tool specifically designed for truck drivers. 2. Utilizes high-speed Bluetooth connectivity for millisecond-level data transmission. 3. Supports J1939 and J1708 protocol self-identification for easy automatic recognition. 4. Compact and portable design, plug and play, suitable for any work scenario. 5. We have a professional development team that provides real-time online updates for various advanced truck functions, ensuring smooth and worry-free truck driving. 6. Feedback and suggestions are our driving force. 7. Main functions: * Fault Code Lookup: View current and historical faults of the vehicle. Simple and intuitive text descriptions easily guide troubleshooting. * Fault Code Clearing: Supports forced fault code clearing to resolve difficult situations. * Data Stream Viewing: Precisely view changes in various data points such as voltage and pressure. Locate fault points on the vehicle based on abnormal data fluctuations. However, this requires extensive experience for accurate diagnosis. DPF Regeneration: Commands the truck to regenerate its DPF in place, cleaning carbon deposits on the DPF carrier, thus improving the truck's power and fuel efficiency. DPF Reset: Updates the DPF carbon load value in the truck's ECU, allowing for further DPF regeneration. Speed ​​Limit Calibration: Changes the vehicle's throttle speed. Supported Models: Cummins Series: CM2350, CM2670, CM876, CM2150, CM2250 Detroit: DD60, MBE, DD13, DD15, DD16 Paccar: MX11, MX13, PX7, PX9 Volvo: D11, D13, D13TC, D16 Mack: MP7, MP8, MP8HE, MP10 For more models, please contact us. ProformanceLink is a truck diagnostic brand you can rely on

Screenshots

BM DIAG3 screens
Proformance Link4 screens

Verdict

The call

The clearest difference is update cadence: Proformance Link at every 2 weeks against BM DIAG's every 2 months. BM DIAG's advantage is iOS requirement (12.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

BM DIAG ships an update every 2 months, Proformance Link every 2 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
BM DIAG versus Proformance Link: the parameters behind the verdict, then further details
ParameterBM DIAGProformance Link
PriceFreeFree
Rating—4.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size396 MB53 MB
Age rating17+4+
DeveloperWoyou Intelligent Technology(Shenzhen) Co., Ltd.Proformance Diagnostics LLC

In-app purchases

None

BM DIAG

No in-app purchases

None

Proformance Link

No in-app purchases

Questions

Is BM DIAG free?
BM DIAG is free to download, with no in-app purchases.
Is Proformance Link free?
Proformance Link is free to download, with no in-app purchases.
Do BM DIAG or Proformance Link have ads?
Neither BM DIAG nor Proformance Link shows ads.
Which is updated more often, BM DIAG or Proformance Link?
BM DIAG ships an update every 2 months, and Proformance Link every 2 weeks. Most recently, BM DIAG was updated on October 7, 2026 and Proformance Link on October 24, 2026.

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