Comparison

SmartBox Reference Guide vs CodeMaster4

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

Head to head
About

SmartBox Reference Guide

Learn programming concepts through guided lessons. This educational tool breaks down key programming ideas for understanding, not for live coding. Ideal for beginners wanting to grasp fundamental principles.

Highlights
  • Step-by-step programming guidance
  • Clear explanations of key concepts
  • Educational training tool
  • Focus on understanding principles
  • Suitable for beginners
Features
Read full description

Smartbox Reference Guide — Learn key programming step-by-step with clear guidance. This app is a training tool designed to help users understand and master key programming concepts — for learning only, not for actual programming.

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

SmartBox Reference Guide4 screens
CodeMaster44 screens

Verdict

The call

The clearest difference is iOS requirement: SmartBox Reference Guide at 12.0 against CodeMaster4's 15.0. On price, update cadence, ads and in-app purchases 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

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on September 17, 2026.

Scorecard1 real difference · 9 level
SmartBox Reference Guide versus CodeMaster4: the parameters behind the verdict, then further details
ParameterSmartBox Reference GuideCodeMaster4
PriceFreeFree
Rating3.1 (34 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings34 — better—
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size65 MB202 MB
Age rating17+4+
DeveloperSmart Box Technology, LLCRedt Inc.

In-app purchases

None

SmartBox Reference Guide

No in-app purchases

None

CodeMaster4

No in-app purchases

Questions

Is SmartBox Reference Guide free?
SmartBox Reference Guide is free to download, with no in-app purchases.
Is CodeMaster4 free?
CodeMaster4 is free to download, with no in-app purchases.
Do SmartBox Reference Guide or CodeMaster4 have ads?
Neither SmartBox Reference Guide nor CodeMaster4 shows ads.
Which is updated more often, SmartBox Reference Guide or CodeMaster4?
SmartBox Reference Guide ships an update fortnightly, and CodeMaster4 fortnightly. Most recently, SmartBox Reference Guide was updated on September 17, 2026 and CodeMaster4 on September 17, 2026.

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