Flip The Future vs HappyKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flip The Future
This educational app allows students to practice elementary math skills like addition, subtraction, multiplication, and division. It offers customizable features for multiple users and progress tracking for guardians, with options to write or type answers.
- Addition, Subtraction, Multiplication, Division practice
- Single and multi-user modes
- Customizable number ranges and problem types
- Progress logging and email score reports
- Student management
- Timer and sound effects
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Flip The Future is a multi/single user Flash Cards application that lets students practice basic elementary math. The student can write on the screen as well as type the answer as he/she solves the problem. This app is very customizable and was designed with teachers and families with multiple students in mind. As a guardian you can add an email and have the student send you his/her scores after each completed session, as well as log the information so you can review the student’s progress at your own pace. Start practicing additions, multiplications, subtractions and divisions today. " Thousands of downloads in the first month " Thank you for your support! Help us make it better. We listen. Leave a review with your suggestions and we will fix any issues or add features you suggest. Rated for any age. Download it today and start flipping the future. Happy Learning! KEY FEATURES: - Addition, Subtraction, Multiplication and Division. - Multiple or single user. - Customize it to work with a particular number. - Adjust each problem type individually. - Visualize your settings as you adjust the number of digits. - Specify the number of problems. - Sound effects. - Guardian email. - Timer. - Log or send information via email. - Student log history. - Add / Delete students. This app requires iOS 7.0 or later.
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 rating: Flip The Future at 4.2 against HappyKey's 3.7. Flip The Future also leads on review sentiment (67% vs 50%) and update cadence (every 4 months vs every 8 months). On price, ratings volume, 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.
Flip The Future holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 13 and 9 respectively. Written reviews point the same way: 67% of Flip The Future's written reviews are positive against 50% of HappyKey's.
Flip The Future ships an update every 4 months, HappyKey every 8 months. Both last shipped on November 1, 2026.
| Parameter | Flip The Future | HappyKey |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (13 ratings) — better | 3.7 (9 ratings) |
| Positive reviews | 66.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 13 — better | 9 |
| Update frequency | Every 4 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 8 MB | 26 MB |
| Age rating | 9+ | 4+ |
| Developer | Filemon Salas | Alexander Baratti |
Customer experience
Flip The Future
HappyKey
In-app purchases
Flip The Future
No in-app purchases
HappyKey
No in-app purchases
Questions
Is Flip The Future free?
Is HappyKey free?
Which has better reviews, Flip The Future or HappyKey?
Do Flip The Future or HappyKey have ads?
Which is updated more often, Flip The Future or HappyKey?
Other comparisons
