# Scientific Calculator fx vs S Learning

The clearest difference is rating: Scientific Calculator fx at 4.6 against S Learning's 3.8. Scientific Calculator fx also leads on ratings volume (452 vs 16). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Scientific Calculator fx sells 5 in-app purchases, starting at $1.99 per month and S Learning sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Scientific Calculator fx holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Scientific Calculator fx has 452 ratings behind it against 16, so its average is the more settled of the two.

Scientific Calculator fx ships an update every 2 weeks, S Learning every 9 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Scientific Calculator fx | S Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (452 ratings)](https://appshunter.io/ios/app/scientific-calculator-fx-991/id1673640297/reviews)** | [3.8 (16 ratings)](https://appshunter.io/ios/app/s-learning/id6764841176/reviews) |
| Number of ratings | **452** | 16 |
| Positive reviews | 83.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 128 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dinh Phuc](https://appshunter.io/developer/1673640299) | [Innocent Agbadi](https://appshunter.io/developer/1895934072) |

## What reviewers say

### Scientific Calculator fx

[App page](https://appshunter.io/ios/app/scientific-calculator-fx-991/id1673640297)

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

**Highlights:** Step-by-step equation solver, Advanced scientific functions, Graphing mode, Formula library, Unit converter, Casio fx-991 inspired interface

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $1.99 | per month |
| 6-Month Premium Membership | $2.49 | per 6 months |
| Yearly Premium Access | $7.99 | per year |
| Remove Ads 30 Days | $0.99 | one-time |
| HiEdu Pro Lifetime | $14.99 | one-time |

**What reviewers like**

- 👍 Very helpful for classes
- 💰 Free to use
- 👍 Useful without physical calculator
- 👍 Good for engineering students
- 👍 Handles imaginary numbers

**What reviewers complain about**

- 🐛 Latest update inconvenient
- 🐛 Update overrides calculations
- 🐛 Mistake in challenge section
- 🐛 Removed important buttons
- 🐛 Cannot find pi button

**Reported bugs**

- App crashes on loading screen
- App closes immediately on opening
- App crashes on iOS 18
- App closes after update
- Cannot upgrade to paid version

**Requested features**

- Fix update issue with calculation display
- Fix duplicate log key in Fx-350 layout
- Add CW layout for Casio fx991 cw
- Change ☐² to X² and ☐⁻¹ to X⁻¹


### S Learning

[App page](https://appshunter.io/ios/app/s-learning/id6764841176)

An AI-powered platform for students and educators offering instant explanations, smart note-taking, flashcard creation, and quiz generation. It also includes tools for lesson planning, secure assessments with instant grading, and social academic communities.

**Highlights:** AI Tutor & Study Tools, Smart Note Generation, Active-Recall Flashcards, AI Quiz Generator, Curriculum-Aligned Lesson Planner, Secure Assessment Center, Social Academic Communities

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |
| 10 Coins Pack | $0.49 | one-time |
| 100 Coins Pack | $2.99 | one-time |
| 500 Coins Pack | $9.99 | one-time |
| 1000 Coins Pack | $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 S Learning free?

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

### Which has better reviews, Scientific Calculator fx or S Learning?

Scientific Calculator fx is rated higher. Scientific Calculator fx averages 4.6 out of 5 from 452 ratings, while S Learning averages 3.8 from 16 ratings.

### Do Scientific Calculator fx or S Learning have ads?

Both Scientific Calculator fx and S Learning show ads.

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

Scientific Calculator fx ships an update every 2 weeks, and S Learning every 9 days. Most recently, Scientific Calculator fx was updated on November 12, 2026 and S Learning on November 9, 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.*