COMath vs HK Characters
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COMath
This app acts as a personal math tutor, offering support and practice for arithmetic, algebra, and geometry. It provides over 100,000 word problems with step-by-step solutions and an equation solver to help students develop their math skills.
- Personalized math tutoring
- Arithmetic practice (addition, subtraction, multiplication, division)
- Over 100,000 math word problems
- Step-by-step equation solving
- Algebra and geometry support
- Practice without pencils
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COMath is a fun math and brain-training app for students and puzzle lovers of all ages. - Practice addition, subtraction, multiplication, and division - Solve 100,000+ math word problems with explanations - Learn algebra step by step with the equation solver - Enjoy number puzzles like Sudoku, Calcudoku, Fillomino, Minesweeper, Calculate 24, and more Practice math, sharpen logic, and enjoy solving challenges anytime, anywhere.
HK Characters
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Explore various Hong Kong characters through the latest version of the Hong Kong Supplementary Character Set (2016). Glyph Variants - See how a single character can be written in various glyph variants, some of which may commonly used in a specific country. Collections - Browse and discover characters in conveniently grouped collections, including “Tang” (characters with Tang-era pronunciations available), “Commonly Used”, and “Vietnamese”. - View characters by the year added to the Hong Kong Supplementary Character Set. Voice to Speech - Hear and compare how the same character can be read in Cantonese, Korean, Japanese, Taiwanese, and Mandarin. Search - Look for words by definition, Jyutping, Unicode codepoint, and more. Unihan Metadata - View a character’s associated Unihan database metadata, if available.
Screenshots
Verdict
The clearest difference is ads: HK Characters at none against COMath's shown. COMath's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | COMath | HK Characters |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (45 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Monthly | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 89 MB | 410 MB |
| Age rating | 9+ | 4+ |
| Developer | Jianfeng Wu | Bosco Ho |
In-app purchases
COMath
No in-app purchases
HK Characters
No in-app purchases
Questions
Is COMath free?
Is HK Characters free?
Do COMath or HK Characters have ads?
Other comparisons
