Comparison

YMOBD vs OBD24K

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

OBD24K

Features
Read full description

【双模连接,稳定可靠】 - 支持 WiFi 无线连接,传输更快、更稳定,适合长时间数据监控; - 同时兼容蓝牙连接,灵活适配各类 OBD 适配器。 【核心诊断功能】 - 读取/清除故障码:快速定位发动机灯亮原因,消除故障码。 - 实时数据流:动态显示转速、水温、油耗、电压、进气温度等参数。 - 冻结帧数据:捕获故障发生瞬间的车况快照,精准分析问题。 - 车辆信息读取:获取 VIN 码、ECU 编号、车型年款等。 - 支持 OBDII/EOBD 标准协议,覆盖市面绝大多数汽油车。 【适用场景】 - 发动机故障灯亮起时,快速自查,避免被维修店过度收费。 - 二手车买卖前,全面扫描车况,评估真实状态。 - 自驾出游前,检查车辆关键系统,保障出行安全。 只需一个 OBD 适配器(WiFi 或蓝牙),即可将您的手机变为专业级汽车诊断仪。OBD24K 让每一位车主都能轻松掌控爱车状况。

Screenshots

YMOBD4 screens
OBD24K4 screens

Verdict

The call

The clearest difference is in-app purchases: OBD24K at none against YMOBD's 4. OBD24K also leads on iOS requirement (13.0 vs 15.0). YMOBD's advantage is update cadence (every 5 weeks vs every 3 months). 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. OBD24K asks for nothing beyond the download.

UpkeepUpdate frequency

YMOBD ships an update every 5 weeks, OBD24K every 3 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
YMOBD versus OBD24K: the parameters behind the verdict, then further details
ParameterYMOBDOBD24K
PriceFreeFree
Rating2.9 (86 ratings) — better—
Positive reviews34.3% of reviews—
Number of ratings86 — better—
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size49 MB134 MB
Age rating4+17+
Developershenzhen yuming思源 祝

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

OBD24K

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

OBD24K

No in-app purchases

Questions

Is YMOBD free?
YMOBD is free to download, with in-app purchases available.
Is OBD24K free?
OBD24K is free to download, with no in-app purchases.
Do YMOBD or OBD24K have ads?
Neither YMOBD nor OBD24K shows ads.
Which is updated more often, YMOBD or OBD24K?
YMOBD ships an update every 5 weeks, and OBD24K every 3 months. Most recently, YMOBD was updated on October 13, 2026 and OBD24K on October 7, 2026.

Other comparisons