# 20/20 Absolute Value — The tutor in your pocket. > Educational app for mastering absolute value equations and inequalities. (iPhone/iPad app by Walter Kissach.) - Source: https://appshunter.io/ios/app/2020-absolute-value/id320945704 (this page in markdown: same URL + `.md`) - Developer: [Walter Kissach](https://appshunter.io/developer/293232788) - Category: Education, Reference - Price: $0.99 - Age rating: 4+ - Requires: iOS 18.0 · 3 MB - Languages: English - Released: 2009-07-18 - Data updated: 2026-06-10 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/2020-absolute-value/id320945704/reviews.md ## What is 20/20 Absolute Value? A power learning aid combines Guides, Practice and Coaching Calculators to help students master absolute value equations and inequalities. Students learn quickly working with Practice and Coaching Calculators to review each step of the solution process. Equations such as : |x| = 4 |7 - x| = 8 3|2x - 5| = 7 2|3x - 4| = 3x + 7 Inequalities such as : |x| > 4 |5 - x| > 4 3|3x + 5| > 8 2|3x - 4| > 3x + 7 Guides additionally cover equations and inequalities such as : 2|x| = |4 - x| |x² - 5x| = 6 2|1 - x| - 2|2x + 3| > 3 Examples highlight and simplify algebra that students find hard. ## Key features - Guides for equations and inequalities - Practice calculators - Coaching calculators - Step-by-step solution process - Simplifies complex algebra - Covers various equation types ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/2020-absolute-value/id320945704/reviews.md ### 1/5 — Fake application *2021-03-21* This application is nothing but a waste of time and money as it is a fake and fraudulent application ### 1/5 — Don't Purchase! *2016-04-20* I should've read the review before purchasing this App. The only consolation prize is the fact that the purchase was only 99 cents. This App does not solve anything especially Inequality Equations. It kids tricks you into thinking it does because it shows those "equal to or greater than signs," but that's all it does. ### 1/5 — The app is worth less *2016-01-18* Don't solve anything at all just waste of money 😡 ## Frequently asked questions about 20/20 Absolute Value ### What is the price of 20/20 Absolute Value? 20/20 Absolute Value is a paid app, priced at $0.99. This one-time purchase grants you access to all its features without further costs. ### What devices is 20/20 Absolute Value compatible with? 20/20 Absolute Value is available for both iPhone and iPad. It is designed to provide a seamless learning experience across these Apple devices. ### How often is 20/20 Absolute Value updated? The latest version of 20/20 Absolute Value is 7.7, last updated on September 17, 2025. This indicates a commitment to maintaining and improving the app. ### What age rating does 20/20 Absolute Value have? 20/20 Absolute Value has an age rating of 4+. This suggests it is suitable for a wide range of young learners and students. ### Does 20/20 Absolute Value offer offline access? The app description does not specify offline access, but as a paid educational tool for mastering equations, it is likely designed to function without an internet connection once downloaded. ### What kind of learning methodology does 20/20 Absolute Value use? 20/20 Absolute Value employs a power learning aid approach, combining guided instruction, practice exercises, and coaching calculators. This method focuses on reviewing each step of the solution process to aid mastery. ### Does 20/20 Absolute Value track student progress? While the app provides practice and coaching calculators for step-by-step learning, the description does not explicitly mention progress tracking features. Its focus is on guiding students through problem-solving. ### Does 20/20 Absolute Value have ads? No, 20/20 Absolute Value is ad-free. As a paid application, it provides an uninterrupted learning experience without advertisements. ## Version history (last 5 releases) ### 7.7 — 2025-09-17 This version is iOS 18 compatible and has minor bug fixes. ### 7.6 — 2024-04-08 This version contains minor bug fixes. ### 7.5 — 2024-03-28 iOS 17 compatibility and minor bug fixes. ### 7.4 — 2022-12-11 This version has minor bug fixes. ### 7.3 — 2022-09-19 This version is iOS 16 compatible and has minor bug fixes. ## Apps similar to 20/20 Absolute Value | App | Rating | Price | Category | | --- | --- | --- | --- | | [Spell by Jmfcool.com](https://appshunter.io/ios/app/spell-by-jmfcoolcom/id1595713149) | — | Free | Education | | [SAT Math : Super Edition Lite](https://appshunter.io/ios/app/sat-math-super-edition-lite/id587728517) | 5.0 (1) | Free | Education | | [NSE Panthers](https://appshunter.io/ios/app/nse-panthers/id1611182360) | 4.7 (3) | Free | Education | | [Learn jQuery Framework](https://appshunter.io/ios/app/learn-jquery-framework/id1624431760) | — | $0.99 | Education | | [智力开发-认知大全拼图益智游戏学发音看图识物](https://appshunter.io/ios/app/id1615404640) | 3.0 (1) | Free | Education | | [Learn Portuguese: Beginners](https://appshunter.io/ios/app/learn-portuguese-beginners/id1607513380) | 4.3 (43) | Free | Education | ## More apps by Walter Kissach - [Quadratic Inequalities](https://appshunter.io/ios/app/quadratic-inequalities/id293232785) - [Circles and Equations](https://appshunter.io/ios/app/circles-and-equations/id293619582) - [Even and Odd Polynomials](https://appshunter.io/ios/app/even-and-odd-polynomials/id293668394) - [Quadratic Factoring](https://appshunter.io/ios/app/quadratic-factoring/id294040055) - [Quadratic Equations](https://appshunter.io/ios/app/quadratic-equations/id294195555) - [20/20 Fraction Basics](https://appshunter.io/ios/app/2020-fraction-basics/id298766849) All apps by Walter Kissach: https://appshunter.io/developer/293232788 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*