Flashcards vs Orthographic Projection
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flashcards
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This is the perfect vocabulary book for learning through handwriting, listening, typing, and color-coding cards. It’s intuitive and provides effective learning. It is compatible with iPhone, iPad, Mac, and Windows. You can also use it as a to-do list and notepad. - Free, No ads and no in-app purchases. - Intuitive and User-Friendly Interface Simple and extremely easy to use. The learning screen and card creation screen are the same, so it feels just like using a notepad. - Multi-platform support Available on iPhone, iPad, Mac, and Windows versions of mobatan. You can create and study cards on the large screens of Mac, iPad, and Windows while referencing other apps and using a familiar keyboard. - Handwriting study Memorize by handwriting on the screen. Written text disappears automatically, allowing repetitive practice without the hassle of manual erasure. - Typing study Memorize by typing in the edit screen. Use familiar keyboards on Mac, iPad, and Windows for effective learning. - Learn in your spare time You can use your iPhone to learn anytime, anywhere in your spare moments. Display Mobatan in a corner of your iPad, Mac, or Windows screen, and study during breaks from other tasks. - Diverse Question Formats By combining functions such as “Card Filtering”, “Display Order”, “Search”, and “Card Sorting”, you can create a variety of question formats like the following examples: • Randomly present unmemorized and review-needed cards. • Randomly present only unmemorized cards. • Randomly present only memorized cards (to confirm retention). • Randomly present only cards containing a specific string (e.g., “#important”). • Hide and display either the question or the answer. • Display both the question and the answer simultaneously (saving the effort of showing the answer). - Color Coding and Filtering Based on Learning Progress Cards can be color-coded based on your learning progress, and you can also filter by color as follows: • Unmemorized cards: Red cards • Review-needed cards: Yellow cards • Memorized cards: Normal cards - Split View support on iPad Study alongside other learning apps (dictionary apps, YouTube, and more) with Split View. - Automatic Card Flipping Feature Cards can be flipped automatically at intervals ranging from 0.1 to 300 seconds. - Up to 10,000 cards per file Register up to 10,000 cards per file. Unlimited number of files. Smooth performance even with large numbers of cards. - Search function Search cards by any string. Tag important cards with “#important” and filter them easily. - Learning progress displayed in a graph Your learning progress is clear at a glance with the pie chart display. - Card sorting Move important cards to the front. - Bulk color change You can batch change the color of cards in files where learning is complete (all cards have become normal cards) to red or yellow. This is convenient when you want to study them again. - First line displayed in the list view The first line of data is shown in the list view, eliminating the need for bothersome titling. - Multilingual text-to-speech Use the pop-up menu in the edit screen for text-to-speech and translation. - Built-in dictionary lookup Use the pop-up menu in the edit screen to look up words in iOS’s built-in dictionaries. - Intuitive and user-friendly interface An easy-to-use interface that requires no manual. - File sharing via AirDrop Share files with other iOS and Mac devices using Mobatan. - Backup and download to cloud storage (iCloud Drive, Google Drive, OneDrive, Dropbox, Box) Use files on other iOS, Mac, or Windows devices via cloud storage. - Use device’s built-in fonts Display with your preferred font for a fresh feel. - Adjustable text size Change text size from 12 to 60 points to accurately display complex kanji or fit large amounts of information on one screen. - Supports Apple Intelligence Proofread content with the writing tool, for example. - Editable with Excel or text editor
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 !
Screenshots
Verdict
The clearest difference is update cadence: Flashcards at every 2 months against Orthographic Projection's every 57 months. Orthographic Projection's advantage is device support (5 vs 3). On price, ads, in-app purchases and iOS requirement 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.
Flashcards ships an update every 2 months, Orthographic Projection every 57 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Flashcards | Orthographic Projection |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (6 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 months — better | Every 57 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod, Mac, Apple TV — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 384 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊之 酒井 | Stefan Hajdu |
In-app purchases
Flashcards
No in-app purchases
Orthographic Projection
No in-app purchases
Questions
Is Flashcards free?
Is Orthographic Projection free?
Do Flashcards or Orthographic Projection have ads?
Which is updated more often, Flashcards or Orthographic Projection?
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