Chemscribe vs HappyKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chemscribe
This iPad app offers a specialized keyboard designed to simplify chemistry assignments. It includes over 1600 compounds and all periodic table elements, providing a convenient platform for typing chemistry homework.
- Specialized chemistry keyboard
- Over 1600 compounds
- All periodic table elements
- Simplifies chemistry assignments
- iPad exclusive
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Chemscribe is an iPad application that provides you with a Chemistry keyboard that makes Chemistry assignments an easier task ! With more than 1600 compounds and all elements from the periodic table, Chemscribe offers you a ready platform to type in your Chemistry homework / assignment !
HappyKey
This app offers a specialized keyboard for easily inputting a wide range of mathematical symbols. It includes numbers, operators, pi, infinity, and more, simplifying the process of writing math notation on your device.
- Specialized math symbol keyboard
- Includes numbers and operators
- Supports pi and infinity symbols
- Simplifies math notation input
- Customizable keyboard layout
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HappyKey provides you with a simple keyboard with many useful math symbols. It will fulfill all of your math notation needs with numbers, superscripts, pi, math operators and relations, infinity, and beyond. Install the app first, then to setup the keyboard go to Settings > General > Keyboard > Keyboards > Add New Keyboard > HappyKey Note: This is not a calculator. This is an additional keyboard that makes it easier to type math notation. Credit for the keyboard functionality and design goes to the open source Tasty Imitation Keyboard by Alexei Baboulevitch (GitHub user archagon).
Screenshots
Verdict
The clearest difference is review sentiment: HappyKey at 50% against Chemscribe's 0%. HappyKey also leads on rating (3.7 vs 1.0). Chemscribe's advantage is iOS requirement (6.0 vs 17.6). On price, ratings volume, update cadence and ads 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.
HappyKey holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews point the same way: 0% of Chemscribe's written reviews are positive against 50% of HappyKey's.
Chemscribe ships an update every 5 months, HappyKey every 8 months. The most recent releases landed on October 9, 2026 and September 24, 2026 respectively.
| Parameter | Chemscribe | HappyKey |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (5 ratings) | 3.7 (9 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 5 | 9 — better |
| Update frequency | Every 5 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 6.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 19 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Sakhatech Information Systems Pvt Ltd | Alexander Baratti |
Customer experience
Chemscribe
HappyKey
In-app purchases
Chemscribe
No in-app purchases
HappyKey
No in-app purchases
Questions
Is Chemscribe free?
Is HappyKey free?
Which has better reviews, Chemscribe or HappyKey?
Do Chemscribe or HappyKey have ads?
Which is updated more often, Chemscribe or HappyKey?
Other comparisons
