Comparison

EV Efficiency Tracker vs evDash OBD2

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

Head to head
About

EV Efficiency Tracker

Features
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EV Efficiency Tracker helps EV owners maximize range by tracking real-world energy use across drives, charging sessions, and conditions. Key Features • Precise Efficiency Logging: Record mi/kWh per trip. • Charging Optimizer: Track charge times, costs, and efficiency by charger type (L1/L2/DC Fast). • City vs. Highway Impact: See how city vs. highway mix affect your range. • Battery Health Monitor: Log SoH, cycles, and degradation over time. • Ability to see Audi Connect data for Audi EV owners. Perfect For • Optimizing trips for max range • Comparing charger networks • Planning long-distance travel Download EV Efficiency Tracker—turn your EV data into real range insights. No subscriptions. Simple. Accurate. Essential for EV owners.

About

evDash OBD2

Monitor your electric vehicle's performance with a live dashboard and diagnostic tools. View real-time battery, power, and driving data, and access advanced service functions. Supports a wide range of EVs and OBD2 adapters, with optional Pro features for deeper insights.

Highlights
  • Live EV dashboard
  • Battery data overview
  • Cell voltage and temperature monitoring
  • Apple CarPlay support
  • Service Menu with ECU scan
  • Pre-purchase battery check
  • Acceleration and brake tests
Features
Read full description

evDash OBD2 is a live dashboard and diagnostics multitool for electric vehicles. Connect a compatible OBD2 adapter and view real-time EV data on your phone or Apple CarPlay. evDash is built to support as many electric cars as possible — if a vehicle exposes useful data over OBD2, the goal is to make it work. Main features: • Live EV dashboard with battery, power and driving data • Battery SOC, SOH, voltage, current and charging overview • Cell voltages, temperature data and 12V battery status • Charging graphs and trip energy statistics • Apple CarPlay support • Multi-car garage with quick switching • Service Menu with ECU scan, ECU versions and DTC tools • Pre-purchase battery check and battery health tests • Acceleration and brake tests • TPMS, CAN sniffer and diagnostic export tools • Remote Tuning to help add or improve vehicle support • Local logs, exports and optional remote upload evDash works with supported OBD2 BLE, BT3/SPP, WiFi, MFi/OBDLink, BMW ENET and evDash M5Stack relay adapters. Available data depends on the vehicle model, adapter type and supported vehicle profile. Some cars expose a lot of battery data, some expose only basic OBD2 data, and some are restricted by the vehicle gateway. evDash Pro unlocks advanced diagnostics, multi-car quick switch, battery internal resistance calculation, cell health tests, graph exports, Service Menu tools and fullscreen diagnostic views. It is available as a monthly or yearly auto-renewable subscription, or as a one-time lifetime purchase. Monthly and yearly plans include the same Pro features. Pricing is displayed in the App Store before purchase and may vary by region. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period; the lifetime purchase is a one-time payment with no renewal. You can manage and cancel subscriptions in your Apple ID account settings. Disclaimer: evDash is a diagnostic tool used to read data from your vehicle and is provided for information purposes only. Use is entirely at your own risk. The developer accepts no liability for any damage to your vehicle, battery, adapter or device, or for any decisions made based on the data shown. Always follow your vehicle manufacturer's instructions. evDash is an independent app and is not affiliated with or endorsed by any vehicle manufacturer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ MFi accessory authorization: - OBDLink MX+ (OBD Solutions LLC) — protocol string com.obdlink, MFi Product Plan ID (PPID): 221699-0001 - Vgate vLinker FS/MS (ShenZhen CheBoTong) — protocol string com.vgatemall, MFi PIDs: 649626-099130 (vLinker FS), 649626-112572 (vLinker MS) Both accessory manufacturers have confirmed that this app (bundle ID sk.next176.evdashapp) has been added to their MFi Product Plan.

Screenshots

EV Efficiency Tracker4 screens
evDash OBD24 screens

Verdict

The call

The clearest difference is in-app purchases: EV Efficiency Tracker at none against evDash OBD2's 3. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. evDash OBD2 sells 3 in-app purchases, starting at $2.99 per month. EV Efficiency Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

EV Efficiency Tracker ships an update weekly, evDash OBD2 every 5 days. Both last shipped on September 10, 2026.

Scorecard1 real difference · 9 level
EV Efficiency Tracker versus evDash OBD2: the parameters behind the verdict, then further details
ParameterEV Efficiency TrackerevDash OBD2
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size29 MB42 MB
Age rating4+4+
DeveloperICBNC, Inc.NEXT176

In-app purchases

None

EV Efficiency Tracker

No in-app purchases

3 purchases

evDash OBD2

Subscriptions2
  • evDash Pro Monthly$2.991 Month
  • evDash Pro Yearly$14.991 Year
One-time1
  • evDash Pro Lifetime$39.90

Questions

Is EV Efficiency Tracker free?
EV Efficiency Tracker is free to download, with no in-app purchases.
Is evDash OBD2 free?
evDash OBD2 is free to download, with in-app purchases available.
Do EV Efficiency Tracker or evDash OBD2 have ads?
Neither EV Efficiency Tracker nor evDash OBD2 shows ads.
Which is updated more often, EV Efficiency Tracker or evDash OBD2?
EV Efficiency Tracker ships an update weekly, and evDash OBD2 every 5 days. Most recently, EV Efficiency Tracker was updated on September 10, 2026 and evDash OBD2 on September 10, 2026.

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