UniCount scientific calculator vs Pass Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UniCount scientific calculator
This app offers a comprehensive calculator for various mathematical needs, including basic arithmetic, algebra, trigonometry, and complex numbers. It supports multi-story fractions, roots, and provides infinite problem solutions with a user-friendly interface and multiple modes.
- 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
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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.
Pass Notes
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Pass Notes is a safe space where only individuals of the same age group can communicate and interact, giving teens a place to say what’s on their mind — honestly, safely and with people their age. Pass Notes makes it easy to express yourself without pressure. Messages With Friends Chat with your phone contacts in the app just like any other messenger, just without the "paperwork" — Fast, Simple and Exclusive to your age group! Both people have to have each other's phone number stored in their phone address book before they can begin messaging each other. ICE BREAKER Select complimentary polls of your app contacts or school friends for fun - DAILY!! (Polls are created and controlled strictly by the Pass Notes team ) Examples: “Who's got the best style ?” “I would race to the moon just to see that star smile ?” “Who’s most likely to be President ?” Built for Teens - Connect with people in your age group - Express yourself without pressure Pass Notes is your space to talk and connect — your way. Download Pass Notes and start sharing what you really feel today!
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Verdict
The clearest difference is update cadence: UniCount scientific calculator at every 3 days against Pass Notes's fortnightly. UniCount scientific calculator also leads on device support (3 vs 1) and iOS requirement (16.0 vs 18.6). On price, 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. UniCount scientific calculator sells 3 one-off in-app purchases and Pass Notes sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
UniCount scientific calculator ships an update every 3 days, Pass Notes fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | UniCount scientific calculator | Pass Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (14 ratings) — better | — |
| Positive reviews | 48.4% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 41 MB | 73 MB |
| Age rating | 4+ | 12+ |
| Developer | Danil Voidilov | Davauhn Ellison |
In-app purchases
UniCount scientific calculator
- Buy Me a Coffee$0.99
- Buy Me a Pizza$5.99
- You're Awesome!$12.99
Pass Notes
- Reveal Name$0.99
- Full Name Reveal$29.99
Questions
Is UniCount scientific calculator free?
Is Pass Notes free?
Do UniCount scientific calculator or Pass Notes have ads?
Which is updated more often, UniCount scientific calculator or Pass Notes?
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