# UniCount scientific calculator vs Pass Notes

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.

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.

## The numbers

| Metric | UniCount scientific calculator | Pass Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/unicount-scientific-calculator/id1034143766/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 48.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free | — |
| Size | 41 MB | 73 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Danil Voidilov](https://appshunter.io/developer/939443763) | [Davauhn Ellison](https://appshunter.io/developer/1822280129) |

## What reviewers say

### UniCount scientific calculator

[App page](https://appshunter.io/ios/app/unicount-scientific-calculator/id1034143766)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |
| Buy Me a Pizza | $5.99 | one-time |
| You're Awesome! | $12.99 | one-time |


### Pass Notes

[App page](https://appshunter.io/ios/app/pass-notes/id6747671764)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reveal Name | $0.99 | one-time |
| Full Name Reveal | $29.99 | one-time |


## Frequently asked questions

### Is UniCount scientific calculator free?

UniCount scientific calculator is free to download, with in-app purchases available.

### Is Pass Notes free?

Pass Notes is free to download, with in-app purchases available.

### Do UniCount scientific calculator or Pass Notes have ads?

Neither UniCount scientific calculator nor Pass Notes shows ads.

### Which is updated more often, UniCount scientific calculator or Pass Notes?

UniCount scientific calculator ships an update every 3 days, and Pass Notes fortnightly. Most recently, UniCount scientific calculator was updated on October 24, 2026 and Pass Notes on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*