# Scientific Calculator fx vs RecallNote

The clearest difference is review sentiment: RecallNote at 88% against Scientific Calculator fx's 0%. RecallNote also leads on rating (4.3 vs 3.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Scientific Calculator fx sells 3 in-app purchases, starting at $2.99 per 7 days and RecallNote sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

RecallNote holds the better App Store score, 4.3 against 3.1. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 0% of Scientific Calculator fx's written reviews are positive against 88% of RecallNote's.

Scientific Calculator fx ships an update every 2 days, RecallNote every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Scientific Calculator fx | RecallNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (7 ratings)](https://appshunter.io/ios/app/scientific-calculator-fx-991ex/id6760968561/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/recallnote/id6779927785/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 0.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Free | Free |
| Size | 17 MB | 47 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Omer Duman](https://appshunter.io/developer/1728850245) | [JAESIK YOUN](https://appshunter.io/developer/1833834844) |

## What reviewers say

### Scientific Calculator fx

[App page](https://appshunter.io/ios/app/scientific-calculator-fx-991ex/id6760968561)

This academic calculator displays mathematical expressions in natural textbook format, including fractions and roots. It provides exact form results and supports complex numbers, trigonometry, and advanced math functions. Store values in variables and access calculation history.

**Highlights:** Natural textbook display, Exact form results (fractions, roots, pi), Full complex number support, Complete trigonometry functions, 40 scientific constants, Calculation history

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |
| Lifetime | $39.99 | one-time |


### RecallNote

[App page](https://appshunter.io/ios/app/recallnote/id6779927785)

This app helps you record, review, and retain learned material for both quick exam preparation and long-term memory. It features a memory rate calculation, achievement score tracking, and an exam prep mode for efficient review sessions. Customize your study experience with subject management and theme options.

**Highlights:** Add and manage review items with notes and images, Subject registration and management, Memory rate and achievement score tracking, Automatic next review date calculation, Exam prep mode for quick review, Customizable background themes, PDF annotation and Apple Pencil support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RecallNote Premium Yearly | $1.99 | per year |
| RecallNote Premium Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Scientific Calculator fx free?

Scientific Calculator fx is free to download, with in-app purchases available.

### Is RecallNote free?

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

### Which has better reviews, Scientific Calculator fx or RecallNote?

RecallNote is rated higher. Scientific Calculator fx averages 3.1 out of 5 from 7 ratings, while RecallNote averages 4.3 from 3 ratings.

### Do Scientific Calculator fx or RecallNote have ads?

Neither Scientific Calculator fx nor RecallNote shows ads.

### Which is updated more often, Scientific Calculator fx or RecallNote?

Scientific Calculator fx ships an update every 2 days, and RecallNote every 3 days. Most recently, Scientific Calculator fx was updated on November 5, 2026 and RecallNote on October 31, 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.*