Comparison

OBDMap vs CodeMaster4

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

Head to head
About

OBDMap

This professional automotive tool offers comprehensive solutions for immobilizer systems, enabling key and remote programming, password reading, and module matching. It's designed for automotive professionals, from beginners to experts, providing quick and secure services for a wide range of vehicles.

Highlights
  • Automotive key coding
  • Immobilizer solutions
  • Key and remote programming
  • Password reading
  • Module matching
  • Intuitive interface
  • Expandable memory
Features
Read full description

The equipment that revolutionized the automotive key coding concept, more complete for automotive immobilizer solutions! Obdmap is the most complete equipment on the market and has been specially developed for all automotive professionals, including beginners! Our equipment has immobilizer solutions quickly and safely. With the Obdmap loads, it is possible to perform various types of services such as: programming keys and remote controls, including presence keys, reading passwords, matching between modules and with different transponder technologies. Due to the range of brands, models and services provided, Obdmap is the equipment that serves the largest fleet of national vehicles and the most sought after by the Brazilian and South American market. In addition, it can be updated quickly over the internet, via a USB port on the computer. Advantages of investing in Obdmap: • Speed ​​at work: the device was developed to perform the services as quickly as possible and with the greatest security; • Simplicity: equipment aimed at the agility of services, with a very intuitive interface, making it practical; • High durability: Obdmap was developed to have a durability of up to 15 years; • Expandable memory: without the need to replace the machine or add an “external” memory; • Updates: on average every two months and all via USB; • Application: it has the widest range of national vehicles; Bluetooth technology! Connected to the application, our Obdmap equipment gains increments of functionality and facilities at the time of use, making your equipment much easier to use. • Access code: automation in the security process of your equipment created by Chiptronic; • Spend only what to use: pay only for that and use it, with a new credit system • Buy credits yourself: there is now the possibility to buy credits from the app itself • Complete history: have access to the history of your equipment, being able to know when you performed each function • List of loads: have full visibility of the functions it has and how many times it has been executed in each type of execution (web, play) • PlayService: have access to exclusive functions on the market in the business format (pay what you use), being able to perform your functions without the need for internet! • WebService: have access to exclusive functions executed remotely

About

CodeMaster4

Features
Read full description

CodeMaster4™ is a professional app designed for operating the MIRACLE™ key machine, offering professional locksmiths a range of features for efficient and user-friendly key cutting. The app enables professional locksmiths to cut and duplicate keys using an extensive collection of car, house, and special keys, while providing convenience features for seamless machine operation. Key features include: - An extensive key database covering car, motorbike, residential, and various specialized keys. - Simple and fast key cutting and duplication. - Customizable key cutting options to meet specific needs. - Easy creation and management of personal key data. - Wear correction feature for older key cylinders. - Favorites and history management for quick access to frequently used key data. - Machine management tools, including calibration, to ensure optimal performance. - Key marking function for easy identification. - Additional features for seamless operation of the MIRACLE™ key machine. ■ Supported Devices - Tablet PCs, Smartphones ■ Communication - Bluetooth LE(Wireless) ■ Screen Orientation - Tablet: Fixed Landscape Mode - Smartphone: Fixed Portrait Mode ■ Supported Languages - English - Korean (한국어) - Japanese (日本語) - Spanish (Español) - Portuguese(Português) ■ Supported MIRACLE™ Products - MIRACLE™-A9 Nova ■ Contact Us Redt Inc. www.iredt.com ▶ Customer Support Email: tech-support@iredt.com

Screenshots

OBDMap4 screens
CodeMaster44 screens

Verdict

The call

The clearest difference is update cadence: CodeMaster4 at fortnightly against OBDMap's every 2 months. 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

OBDMap ships an update every 2 months, CodeMaster4 fortnightly. The most recent releases landed on September 23, 2026 and October 22, 2026 respectively.

Scorecard1 real difference · 7 level
OBDMap versus CodeMaster4: the parameters behind the verdict, then further details
ParameterOBDMapCodeMaster4
PriceFreeFree
Positive reviews33.3% of reviews—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size70 MB203 MB
Age rating4+4+
DeveloperChiptronic Eletronica do Brasil LtdaRedt Inc.

In-app purchases

None

OBDMap

No in-app purchases

None

CodeMaster4

No in-app purchases

Questions

Is OBDMap free?
OBDMap is free to download, with no in-app purchases.
Is CodeMaster4 free?
CodeMaster4 is free to download, with no in-app purchases.
Do OBDMap or CodeMaster4 have ads?
Neither OBDMap nor CodeMaster4 shows ads.
Which is updated more often, OBDMap or CodeMaster4?
OBDMap ships an update every 2 months, and CodeMaster4 fortnightly. Most recently, OBDMap was updated on September 23, 2026 and CodeMaster4 on October 22, 2026.

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