Comparison

ERC Unlocker vs KRA System

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

Head to head
About

ERC Unlocker

This utility app calculates ERC codes required for certain car audio and navigation systems after power interruptions. It offers a simple process to regain access to multimedia features by entering your device's serial number.

Highlights
  • Fast ERC code calculation
  • Supports wide range of audio units
  • Simple instructions
  • Convenient and quick access
  • Customer support
Features
Read full description

What is an ERC Calculator? ERC Calculator is a utility app designed to help users calculate ERC codes for supported car audio and navigation systems. In some vehicles, especially imported models, the multimedia system may require an ERC code after a battery replacement or power interruption. This app provides a simple way to calculate the required code. Key Features • Fast and accurate ERC code calculation • Supports a wide range of compatible audio & navigation units • Simple and easy-to-follow instructions • Designed for convenience and quick access • Customer support available How It Works Turn on your car audio or navigation system Access the service screen to find your 16-digit serial number Enter the serial number into the app The app calculates the corresponding ERC code Enter the code into your audio unit to continue normal functionality Supported Audio Units Following is a list of units which can be unlocked by ERC code supplied by this app. etc where applicable This app is compatible with the following multimedia models: NSZT-W68T, NSZT-Y68T, NSZT-W69T, NSZN-Z68T , and NSCN-W68. NDDN-W57,ND3T,ND3T-W57,NDDN-W57,NDDN-W58,NDDN-W58-W57,NH3N-W58,NH3T-W57,NHBA-W62G,NHDA,NHDA-W61G,NHDT,NHDT-W57,NHDT-W58,NHDT-W58G,NHDT-W58-W59-W58G,NHDT-W59,NHDT-W59G,NHDT-W60G,NHZD-W62G,NHZN,NHZN-,NHZN-W57,NHZN-W57-W58,NHZN-W58,NHZN-W59C,NHZN-W59G,NHZN-W60G,NHZN-W61,NHZN-W61G,NHZT-W58,NHZT-W58G,NSCN-W59C,NSCN-W60,NSCP-W61,NSCP-W62,NSCT-W61,NSDD-W61,NSDN-W59,NSDN-W60,NSDT-W59,NSZT-W60,NSZT-W61G,NSZT-W62G,W60G,W60G-NHDT. Important Information • This app is intended for use with compatible devices only • Results depend on correct serial number input • This app is not affiliated with or endorsed by any vehicle manufacturer • Please ensure you have proper authorization to access your audio Why Choose ERC Calculator™? ERC Calculator provides a reliable and user-friendly way to calculate ERC codes and restore access to essential multimedia features after power interruptions.

About

KRA System

Features
Read full description

[Appraisal] You can use AI to read images of caution plates and check pricing information for used vehicles. You can also view data from the Japan Automobile Inspection & Registration Information Association, such as vehicle recycling fees. [Appraisal List] You can view past appraisal results. [Post-Arrival Registration] You can register details and images of vehicles that have been recorded as received in the KRA system.

Screenshots

ERC Unlocker4 screens
KRA System4 screens

Verdict

The call

The clearest difference is in-app purchases: KRA System at none against ERC Unlocker's 2. KRA System also leads on iOS requirement (12.4 vs 15.6). 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. ERC Unlocker sells 2 one-off in-app purchases. KRA System asks for nothing beyond the download.

Scorecard2 real differences · 8 level
ERC Unlocker versus KRA System: the parameters behind the verdict, then further details
ParameterERC UnlockerKRA System
PriceFreeFree
Rating2.3 (8 ratings) — better—
Positive reviews56.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.4 — better
Further details — not scored
Size8 MB18 MB
Age rating4+4+
DeveloperZeeshan AhmadKAIHO INDUSTRY CO., LTD.

In-app purchases

2 purchases

ERC Unlocker

One-time2
  • Get 1 ERC Code$9.99
  • Get 1 68 Series ERC Code$19.99
None

KRA System

No in-app purchases

Questions

Is ERC Unlocker free?
ERC Unlocker is free to download, with in-app purchases available.
Is KRA System free?
KRA System is free to download, with no in-app purchases.
Do ERC Unlocker or KRA System have ads?
Neither ERC Unlocker nor KRA System shows ads.

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