Comparison

VIN decoder for BMW, MINI, RR vs BK400

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

Head to head
About

VIN decoder for BMW, MINI, RR

Instantly decode VINs for BMW, MINI, and Rolls-Royce vehicles. Access original factory specifications, including model, engine, color, and optional equipment. Securely save and share vehicle details.

Highlights
  • Instant VIN decoding
  • Full factory specifications
  • Original options and equipment
  • History of past VINs
  • Automatic result saving
  • Share decoded details
  • Secure and private
Features
Read full description

VIN Decoder is a fast and intuitive tool that reveals the original factory information for any BMW, MINI, or Rolls-Royce vehicle. Whether you’re evaluating a used car, verifying build options, or simply exploring what your vehicle came with — this app gives you instant access to accurate and structured vehicle data. Whether you're buying a used car, verifying features, or just curious about your own vehicle — this app gives you fast, clear, and accurate information. Features: - Instant VIN decoding for BMW, MINI or Rolls-Royce - Full factory specs: model, series, engine, transmission, color, and more - Discover original options and equipment (like S494 – Seat heating, S430 – Auto-dimming mirrors) - History of past VINs for quick re-access - Automatic result saving – no need to decode twice - Share decoded vehicle details with a single tap - Secure and private – no login, no data tracking - Dark theme support Designed for enthusiasts, buyers, sellers, and anyone who loves precision.

About

BK400

Features
Read full description

BK400 is a professional Bluetooth car battery diagnostic tool. Connect to BK400 hardware via Bluetooth to monitor real-time voltage, plot live curves, and perform cranking tests, charging tests, and waveform analysis to fully evaluate battery health. Schedule automatic voltage sampling tasks and review historical data with interactive charts across customizable date ranges. Manage multiple devices simultaneously with fully isolated data. Built-in OTA firmware updates keep your device current. Use the vehicle finder to locate your car on a map. Generate professional diagnostic reports with one tap and share them with customers. Supports 15 languages for users worldwide. BK400 是一款专业的汽车蓄电池蓝牙智能检测工具。通过蓝牙连接 BK400 硬件设备,您可以实时监控电池电压、绘制电压曲线,并进行启动测试、充电测试和波形测试,全面评估电池健康状态。支持静态电压采集和定时任务,自动记录历史数据并生成可视化图表,支持按日期范围查看趋势。多设备同时管理,数据完全隔离互不干扰。内置 OTA 固件升级功能,确保设备始终运行最新版本。寻车功能通过地图标注设备位置,轻松找到您的车辆。一键生成包含启动测试与充电测试数据的专业检测报告,方便分享给客户。支持 15 种语言,满足全球用户需求。

Screenshots

VIN decoder for BMW, MINI, RR4 screens
BK4004 screens

Verdict

The call

The clearest difference is price: BK400 at Free against VIN decoder for BMW, MINI, RR's $2.99. BK400 also leads on in-app purchases (none vs 4) and update cadence (weekly vs every 11 months). On ads, device support and iOS requirement 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

BK400 is free to download; VIN decoder for BMW, MINI, RR costs $2.99 up front. VIN decoder for BMW, MINI, RR sells 4 one-off in-app purchases. BK400 asks for nothing beyond the download.

UpkeepUpdate frequency

VIN decoder for BMW, MINI, RR ships an update every 11 months, BK400 weekly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
VIN decoder for BMW, MINI, RR versus BK400: the parameters behind the verdict, then further details
ParameterVIN decoder for BMW, MINI, RRBK400
Price$2.99Free — better
Rating1.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 11 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size7 MB21 MB
Age rating4+4+
DeveloperKarina Balkarova祖策 谢

In-app purchases

4 purchases

VIN decoder for BMW, MINI, RR

One-time4
  • +3 VIN Decodings$1.99
  • +10 VIN Decodings$5.99
  • +30 VIN Decodings$17.99
Show 1 more
  • +100 VIN Decodings$49.99
None

BK400

No in-app purchases

Questions

Is VIN decoder for BMW, MINI, RR free?
VIN decoder for BMW, MINI, RR costs $2.99, and also offers in-app purchases.
Is BK400 free?
BK400 is free to download, with no in-app purchases.
Do VIN decoder for BMW, MINI, RR or BK400 have ads?
Neither VIN decoder for BMW, MINI, RR nor BK400 shows ads.
Which is updated more often, VIN decoder for BMW, MINI, RR or BK400?
VIN decoder for BMW, MINI, RR ships an update every 11 months, and BK400 weekly. Most recently, VIN decoder for BMW, MINI, RR was updated on October 7, 2026 and BK400 on October 10, 2026.

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