# UniCount scientific calculator — Engineering & complex numbers > Advanced scientific calculator for math, algebra, and trigonometry with complex number support. (iPhone/iPad app by Danil Voidilov.) - Source: https://appshunter.io/ios/app/unicount-scientific-calculator/id1034143766 (this page in markdown: same URL + `.md`) - Developer: [Danil Voidilov](https://appshunter.io/developer/939443763) - Category: Utilities, Education - Price: Free with in-app purchases - Rating: 4.90/5 from 14 App Store ratings · 31 written reviews indexed - Age rating: 4+ - Requires: iOS 16.0 · 41 MB - Languages: American English, Arabic, Catalan, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek and 18 more - Released: 2015-09-04 - Data updated: 2026-08-31 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/unicount-scientific-calculator/id1034143766/reviews.md ## What is UniCount scientific calculator? UniCount is a scientific calculator: natural formula input, complex numbers, units and currencies, matrices, your own functions, and high, guaranteed precision. KEY FEATURES: • Natural math notation: multi-story fractions, powers, roots of any degree. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Mix units and currencies right in a formula: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Convert anything with one key: length, mass, speed, data, currencies and crypto. • Define your own constants and functions and reuse them anywhere. • Matrices: product, inverse, determinant, transpose. • Complex numbers in all functions. • Clear errors that highlight the exact spot in the formula. EDITING: • Caret, selection, and full formula editing built for touch. • Undo slider and calculation history — nothing gets lost. • Live result under the formula while you type. ADDITIONAL FEATURES: • Keyboard extension: the full calculator inside any app, no switching away. • History, your constants and functions sync across your devices via iCloud. ## Key features - Multi-story fractions, powers, and roots - 16 trigonometric functions - Complex number calculations - Basic, scientific, and fraction modes - Formula editing - Degree/radian calculation - Infinite math problem solutions ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Buy Me a Coffee | $0.99 | one-time | | Buy Me a Pizza | $5.99 | one-time | | You're Awesome! | $12.99 | one-time | ## Recent user reviews (10 of 31) All indexed reviews: https://appshunter.io/ios/app/unicount-scientific-calculator/id1034143766/reviews.md ### 5/5 — Free without ads, intuitive for school use *2025-01-12* Great scientific calculator for middle school . No annoying ads. **Developer response:** Thank you! ### 5/5 — Ottima *2023-01-03, version 2.2* Sono uno studente di ingegneria e la trovo ottima, ha tutte le funzionalità che si possono ricercare in un app gratuita. Complimenti davvero. ### 5/5 — Il bagnìni ha sbagliato *2022-11-17, version 2.2* Grazie a questa app ho scoperto che il Baggio ha sbagliato, grazie sick ti amo ### 4/5 — Нет процента *2022-06-02* Все отлично.один из лучших калькуляторов.но нет знака проценты%. Ну как так? **Developer response:** Здравствуйте, Бугалу! Спасибо за отзыв! проценты будут в новой версии 3.0.0 ### 3/5 — Calcolatrice per numeri complessi *2021-12-15, version 2.2* Ottima calcolatrice per i numeri complessi. L’unico problema è che nell’uso in orizzontale i numeri vengono tagliati. Spero che venga risolto presto questo piccolo ma fastidioso problema. ### 5/5 — Лучший калькулятор всех времен и народов наконец то обновился😻 *2021-09-12* Лучший калькулятор, рекомендую всем! Спасал мен еще когда я учился в универе) **Developer response:** Спасибо за отзыв! ### 5/5 — Обновление *2021-09-08* Обновите пожалуйста приложение , самый лучший калькулятор , выручал почти 5 лет ! А теперь iOS его не поддерживает 😩 **Developer response:** Здравствуйте, raner11.11! Большое спасибо за ваш отзыв и верность нашему приложению на протяжении почти 5 лет! Мы рады, что UniCount помогал вам. Мы уже знаем о проблеме с совместимостью и активно работаем над обновлением приложения. Мы постараемся выпустить его в ближайшее время, чтобы вы снова могли пользоваться вашим любимым калькулятором на iOS. Благодарим за ваше терпение и понимание. Оставайтесь с нами! С наилучшими пожеланиями, Команда UniCount ### 5/5 — О Боги!! Да он же бесплатен !! *2018-02-15* Честь и хвала автору за сей чудный труд !!! **Developer response:** Здравствуйте, Дмитрий! Большое спасибо за ваш отзыв и добрые слова! Мы рады, что вам нравится приложение UniCount. Если у вас есть какие-либо предложения или вопросы, пожалуйста, не стесняйтесь обращаться к нам. Приятного вам использования! С уважением, Команда UniCount ### 5/5 — Perfekt *2017-10-30, version 1.5.1* Und dazu noch wirklich kostenlos und ohne Werbung! Und rechnen kann die App auch korrekt. ### 1/5 — Вылетает *2017-10-19* Вылетает не могу зайти ищу норм калькулятор комплексных чисел в апп сторе нет норм комплексного калькулятора **Developer response:** Здравствуйте, Ne ponal! Нам очень жаль, что у вас возникли проблемы с приложением. Мы выпустили несколько обновлений с момента вашего отзыва, и многие проблемы с вылетом были исправлены. Пожалуйста, обновите приложение до последней версии и попробуйте снова. Если проблема не исчезнет, свяжитесь с нами через поддержку, чтобы мы могли помочь вам более детально. Спасибо, что выбрали UniCount! ## Frequently asked questions about UniCount scientific calculator ### What types of math problems can UniCount solve? UniCount can handle basic math, algebra, trigonometry, and complex numbers. It supports multi-story fractions, powers, roots of any degree, and offers 16 trigonometric functions. ### Does UniCount have different calculation modes? Yes, UniCount offers basic, scientific, and fraction calculator modes. You can also switch between calculating in degrees or radians. ### How does UniCount handle complex numbers? UniCount performs all calculations with complex numbers, providing a robust tool for advanced mathematical operations. ### Can I edit formulas in UniCount? Yes, UniCount includes a formula editing function, allowing you to easily modify and refine your mathematical expressions. ### What devices is UniCount available on? UniCount is built for both iPad and iPhone. It also supports iPod devices. ### How often is UniCount updated? The latest version, 2.2.3, was released on June 5, 2024. Updates are frequent, ensuring the app remains reliable and feature-rich. ### Does UniCount have ads? No, UniCount does not contain advertisements. It is a completely ad-free experience for users. ### What is the user rating for UniCount? UniCount has an excellent rating of 5.0 stars from 8 ratings, indicating high user satisfaction. ## Version history (last 5 releases) ### 3.1.9 — 2026-08-31 New in 3.1: • Graphs: plot your functions and expressions as curves; complex functions — as domain coloring. • Number bases: binary, hexadecimal or any other base — fractions and repeating digits included. • New themes in settings. And from the recent 3.0 update: • Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Your own constants and functions. • Matrices: product, inverse, determinant, transpose. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Reworked editing: selection, caret control from the keypad, undo slider. • Live result under the formula while you type. • Clear errors that highlight the exact spot in the formula. • History, constants and functions sync across devices via iCloud. • UniCount is now also on the Mac — as a native app. ### 3.1.8 — 2026-08-30 New in 3.1: • Graphs: plot your functions and expressions as curves; complex functions — as domain coloring. • Number bases: binary, hexadecimal or any other base — fractions and repeating digits included. • New themes in settings. And from the recent 3.0 update: • Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Your own constants and functions. • Matrices: product, inverse, determinant, transpose. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Reworked editing: selection, caret control from the keypad, undo slider. • Live result under the formula while you type. • Clear errors that highlight the exact spot in the formula. • History, constants and functions sync across devices via iCloud. • UniCount is now also on the Mac — as a native app. ### 3.1.7 — 2026-08-27 New in 3.1: • Graphs: plot your functions and expressions as curves; complex functions — as domain coloring. • Number bases: binary, hexadecimal or any other base — fractions and repeating digits included. • New themes in settings. And from the recent 3.0 update: • Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Your own constants and functions. • Matrices: product, inverse, determinant, transpose. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Reworked editing: selection, caret control from the keypad, undo slider. • Live result under the formula while you type. • Clear errors that highlight the exact spot in the formula. • History, constants and functions sync across devices via iCloud. • UniCount is now also on the Mac — as a native app. ### 3.1.6 — 2026-08-23 New in 3.1: • Graphs: plot your functions and expressions as curves; complex functions — as domain colouring. • Number bases: binary, hexadecimal or any other base — fractions and repeating digits included. • New themes in settings. And from the recent 3.0 update: • Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Your own constants and functions. • Matrices: product, inverse, determinant, transpose. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Reworked editing: selection, caret control from the keypad, undo slider. • Live result under the formula while you type. • Clear errors that highlight the exact spot in the formula. • History, constants and functions sync across devices via iCloud. • UniCount is now also on the Mac — as a native app. ### 3.1.5 — 2026-08-22 New in 3.1: • Graphs: plot your functions and expressions as curves; complex functions — as domain coloring. • Number bases: binary, hexadecimal or any other base — fractions and repeating digits included. • New themes in settings. And from the recent 3.0 update: • Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm. • Your own constants and functions. • Matrices: product, inverse, determinant, transpose. • High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar. • Reworked editing: selection, caret control from the keypad, undo slider. • Live result under the formula while you type. • Clear errors that highlight the exact spot in the formula. • History, constants and functions sync across devices via iCloud. • UniCount is now also on the Mac — as a native app. ## Apps similar to UniCount scientific calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Calculator Air: AI Math Solver](https://appshunter.io/ios/app/calculator-air-ai-math-solver/id1173365557) | 4.7 (83,383) | Free | Utilities | | [Calculator #](https://appshunter.io/ios/app/calculator/id458535080) | 4.6 (35,876) | Free | Utilities | | [Calculator 17 - Math Solver](https://appshunter.io/ios/app/calculator-17-math-solver/id6452015902) | 4.6 (971) | Free | Utilities | | [Calculator +](https://appshunter.io/ios/app/calculator-plus/id351815470) | 4.6 (10,020) | Free | Utilities | | [Scientific Calculator Elite](https://appshunter.io/ios/app/scientific-calculator-elite/id626128400) | 4.8 (53) | $4.99 | Utilities | | [Calculator for iPad₊](https://appshunter.io/ios/app/calculator-for-ipad/id1174240047) | 4.5 (126,024) | Free | Utilities | ## More apps by Danil Voidilov - [2048+++](https://appshunter.io/ios/app/2048-plus-plus-plus/id942568440) - [Transfer Music](https://appshunter.io/ios/app/transfer-music/id1471038000) - [Made Fire](https://appshunter.io/ios/app/made-fire/id1496499808) - [Challenge tracker](https://appshunter.io/ios/app/challenge-tracker/id1512730729) All apps by Danil Voidilov: https://appshunter.io/developer/939443763 ## Related topics [cinfinity](https://appshunter.io/ios/topics/cinfinity) · [bvcalc lite](https://appshunter.io/ios/topics/bvcalc-lite) --- *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 2026-08-31.*