Comparison

YMOBD vs RangeFinder

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

Head to head
About

YMOBD

This tool connects to your car's OBD adapter via Bluetooth to collect real-time engine data, read fault codes, and provide solutions. It also records driving data, analyzes performance, and offers a HUD display for a safer and more enjoyable driving experience.

Highlights
  • Real-time engine data collection
  • Vehicle fault code reading and solutions
  • Driving data recording and analysis
  • Vehicle performance testing (acceleration, braking)
  • HUD display function
  • Day and night modes
Features
Read full description

YMOBD is a practical too. It has the characteristics of simple operation and accurate data, and is suitable for long-term use by car owners and users. Keep your car away from hidden dangers and make driving fun! Connect and communicate with the OBD adapter via Bluetooth: It can collect car engine data in real time, such as engine speed, ignition time, then correction, water temperature, fuel consumption, etc., with two modes of day and night, with HUD display function. It can read vehicle fault codes and provide professional solutions for detected vehicle fault codes. The driving process of the vehicle can be recorded every time. Analyze and summarize data such as mileage, average fuel consumption, driving time, and driving speed. It can test the acceleration, braking, and other performance of the vehicle, and provide analysis reports.

About

RangeFinder

Features
Read full description

深圳市菲尼瑞斯科技有限公司有一款专门为智能测距仪开发的APP。主要用于实时数据同步/备注,拍照或导入照片并进行绘图。 测量和标注,快速绘制平面图,灵活选择现有长宽高数据进行面积和体积计算,简单加减法计算长度、面积和体积多维空间尺度,都在控制之中。

Screenshots

YMOBD4 screens
RangeFinder3 screens

Verdict

The call

The clearest difference is in-app purchases: RangeFinder at none against YMOBD's 4. RangeFinder also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (11.0 vs 15.0). On price, 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. YMOBD sells 4 one-off in-app purchases. RangeFinder asks for nothing beyond the download.

UpkeepUpdate frequency

YMOBD ships an update every 5 weeks, RangeFinder every 3 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
YMOBD versus RangeFinder: the parameters behind the verdict, then further details
ParameterYMOBDRangeFinder
PriceFreeFree
Rating2.9 (86 ratings) — better—
Positive reviews34.3% of reviews—
Number of ratings86 — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size49 MB34 MB
Age rating4+4+
Developershenzhen yumingShenzhen FNIRSI Technology Co., Ltd.

Bugs and requests

YMOBD

Reported bugs

15 issues
  • App crashes on iPhone 17 Pro
  • Purchased add-on requires payment again
  • Contact section not working
  • App crashes every time on iPhone 17 Pro
  • Does not connect at all
Show 10 more
  • OBD2 reader not read by software
  • No transmission temperature reading
  • Bluetooth keeps disconnecting
  • App says OBD is connected but doesn't show info
  • Updated firmware, now won't connect
  • App stopped working after update
  • Rarely connects, disconnects when trying to get info
  • Email not arriving for account creation
  • Captcha not working/sending code
  • Does not work on iOS 18

Requested features

10 requests
  • Dark Mode support
  • Landscape mode support
  • Store data for comparison over time
  • Summary of vehicle diagnostics without connection
  • Run in background feature
Show 5 more
  • Weekly report of diagnostics
  • Allow viewing diagnostic data in offline mode
  • Remove need for model, make, year input for quick scans
  • More frequent updates and optimizations
  • Add landscape function in dashboard

RangeFinder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

YMOBD

One-time4
  • 车辆年检模拟$0.99
  • YMOBD-business expansion$1.99
  • YMOBD-Battery monitoring$2.99
Show 1 more
  • Super Car Sound$5.99
None

RangeFinder

No in-app purchases

Questions

Is YMOBD free?
YMOBD is free to download, with in-app purchases available.
Is RangeFinder free?
RangeFinder is free to download, with no in-app purchases.
Do YMOBD or RangeFinder have ads?
Neither YMOBD nor RangeFinder shows ads.
Which is updated more often, YMOBD or RangeFinder?
YMOBD ships an update every 5 weeks, and RangeFinder every 3 days. Most recently, YMOBD was updated on October 8, 2026 and RangeFinder on October 7, 2026.

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