Screw Gauge vs C++ Programming Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Screw Gauge
Learn to accurately measure the diameter of sheets or wires using a virtual screw gauge. This app visually explains all parts and demonstrates measurement processes with interactive animations and practice experiments. Test your knowledge with a quiz.
- Detailed theory on screw gauge measurement
- Animated explanation of all parts
- Interactive experiment for pitch and zero error
- 3D animation practice for diameter measurement
- Interactive quiz with score tracking
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The screw gauge K12 app explains how to measure the diameter of a sheet or wire with the help of a U-shaped frame of gun metal. Explains all the parts of screw gauge by visual presentation. The instrument is based on the principle of micrometer screw or screw gauge and it is used to measure up to 0.01 mm with greater accuracy. This educational K12 app is the easiest method to get detailed knowledge on how to use the Screw Gauge including adjustment according to the sheet or wire. ==Features== Theory - Explains in detail about Screw Gauge and its measurement process. Parts - Explanation of all the parts of screw gauge in the animation. Experiment - Includes an animation experiment to calculate pitch, least count, zero error and finding the diameter of an object. Practice - Includes an experiment section for the user to measure the diameter of different objects using 3D animation. Quiz - An interactive quiz to check the level of understanding with a score board. Download the Screw Gauge app, and other educational games and apps published by Ajax Media Tech. With the gamified education model, children will be able to absorb and learn the fundamentals and basics with minimal efforts and maximum retention.
C++ Programming Pro
Master C++ programming with interactive lessons, quizzes, and comprehensive code examples. This app caters to both beginners and experienced developers, offering a structured learning path and a handy reference tool.
- Step-by-step C++ lessons
- Interactive quizzes with 200+ questions
- Code examples and reference
- Favorites and full-text search (Pro)
- Covers all core and advanced C++ topics
- Available in 10 languages
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Learn C++ Quickly and Effectively! C++ Programming Pro is your all-in-one solution to master C++ — from beginner to advanced. Whether you're just starting out or looking to sharpen your skills, this app is designed to make learning C++ fast, easy, and interactive. No prior programming knowledge is required. Beginners can build a solid foundation, while experienced developers can use it as a powerful reference packed with code examples. Key Features: • Step-by-step lessons covering all core C++ concepts • Interactive quizzes with 200+ questions—perfect for exams and interviews • Updated content and quizzes with every version Available in 10 Languages: • English, French, German, Italian, Japanese, Portuguese, Russian, Simplified Chinese, Spanish, and Vietnamese — study in your native language! The Pro version offers additional features, including: • Favorites feature: Allows users to save topics and access them quickly. • Full-text search: Enables quick navigation across all app content. Topics Covered: • Data types • Operations • Control structures • Cycles • Arrays • Functions • Scope • Storage classes • Pointers • Functions and pointers • Strings • Structures • Enumerations • Object-oriented programming • Dynamic memory allocation • Advanced OOP • Operator overloading • Inheritance • Generic programming • Preprocessor • Exceptions handling Whether you're preparing for a coding interview or diving into C++ for the first time, C++ Programming Pro gives you the tools to succeed.
Screenshots
Verdict
The clearest difference is update cadence: C++ Programming Pro at every 2 months against Screw Gauge's every 31 months. Screw Gauge's advantage is price ($0.99 vs $4.99) and iOS requirement (9.0 vs 17.0). On review sentiment, ads, in-app purchases and monetization model 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
Screw Gauge costs $0.99 and C++ Programming Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Screw Gauge ships an update every 31 months, C++ Programming Pro every 2 months. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.
| Parameter | Screw Gauge | C++ Programming Pro |
|---|---|---|
| Price | $0.99 — better | $4.99 |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 31 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 43 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | www.ajaxmediatech.com | ALG Software Lab |
Customer experience
Screw Gauge
C++ Programming Pro
In-app purchases
Screw Gauge
No in-app purchases
C++ Programming Pro
No in-app purchases
Questions
Is Screw Gauge free?
Is C++ Programming Pro free?
Do Screw Gauge or C++ Programming Pro have ads?
Which is updated more often, Screw Gauge or C++ Programming Pro?
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