Orthographic Projection vs ABC Learning
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Orthographic Projection
Master orthographic projection with this interactive educational app. Ideal for technical students and engineers, it offers engaging ways to learn and test your skills in 1st and 3rd angle projections through fun, gamified modes. Build your knowledge and earn stars as you progress.
- Interactive orthographic projection learning
- 1st and 3rd Angle Projection modes
- Easy and Hard difficulty modes
- Spatial orientation improvement
- Symbolic drawing creation
- 32+ parts for practice
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Very useful application for technical school students and engineers. Learn or test your skills in the orthographic (orthogonal) projection through interactive way on your smartphone or tablet. This application will show you that learning can be very fun! Your knowledge will be appreciated in this application with the stars (yellow for easy mode, red for hard mode). Application features: --- No advertisements and no in-app purchases --- Application improves spatial orientation --- 1st Angle Projection --- 3rd Angle Projection --- Easy mode (rotate, mirror) --- Hard mode (rotate, mirror and mix) --- 32 parts (more soon) --- Interactive 3D model of the part --- Symbolic drawing creation of each part at the end Many successes !
ABC Learning
This app makes learning the alphabet, numbers, and phonics engaging for young children. It covers essential early learning topics like colors, shapes, animals, and words with clear pronunciation and child-friendly visuals. Designed for little hands, it offers a distraction-free and intuitive learning experience.
- Learn ABC and Alphabet
- 123 and Numbers counting
- Colors and Shapes identification
- Animal and Bird recognition
- Phonics and pronunciation
- Offline learning capability
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Learning the alphabet should feel like play. In ABC Learning, every picture card has a clear voice that says the word, so your little one learns letters, numbers, shapes, colors and first words by seeing and hearing them together. No ads and nothing to click away from. Just a calm place for early learners. WHAT YOUR CHILD WILL ENJOY • Big, bright picture cards that talk • Letters and numbers, shapes and colors, and everyday first words • One topic at a time, so it never feels like too much • A gentle quiz at the end, with no scores and no pressure GOOD FOR GROWN-UPS TOO • Works without internet once a pack is saved, so it is ready for the car, the plane or the waiting room • No ads and no tracking • Settings sit behind a short question only adults can answer • A quick tour on the first day shows you both how it works Download ABC Learning and turn the first words into a happy habit.
Screenshots
Verdict
The clearest difference is rating: Orthographic Projection at 4.3 against ABC Learning's 2.0. Orthographic Projection also leads on ratings volume (6 vs 1) and device support (5 vs 3). ABC Learning's advantage is update cadence (weekly vs every 57 months). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Orthographic Projection holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Orthographic Projection has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.
Orthographic Projection ships an update every 57 months, ABC Learning weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Orthographic Projection | ABC Learning |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 57 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 384 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Stefan Hajdu | Jyotikaben Patel |
Customer experience
Orthographic Projection
ABC Learning
In-app purchases
Orthographic Projection
No in-app purchases
ABC Learning
No in-app purchases
Questions
Is Orthographic Projection free?
Is ABC Learning free?
Which has better reviews, Orthographic Projection or ABC Learning?
Do Orthographic Projection or ABC Learning have ads?
Which is updated more often, Orthographic Projection or ABC Learning?
Other comparisons
