# Average Calculator HD vs CASIO fx

The clearest difference is price: CASIO fx at Free against Average Calculator HD's $0.99. CASIO fx also leads on rating (2.7 vs 1.0) and update cadence (every 6 months vs every 25 months). Average Calculator HD's advantage is in-app purchases (none vs 1). On ads and iOS requirement there is nothing between them.

CASIO fx is free to download; Average Calculator HD costs $0.99 up front. CASIO fx sells 1 in-app purchase, starting at $1.99 per month. Average Calculator HD asks for nothing beyond the download.

CASIO fx holds the better App Store score, 2.7 against 1.0. That said, the two scores are not equally well evidenced: CASIO fx has 9 ratings behind it against 1, so its average is the more settled of the two.

Average Calculator HD ships an update every 25 months, CASIO fx every 6 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Average Calculator HD | CASIO fx |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/average-calculator-hd/id368751895/reviews) | **[2.7 (9 ratings)](https://appshunter.io/ios/app/casio-fx-cg500/id1256306989/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 54 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [CASIO COMPUTER CO., LTD.](https://appshunter.io/developer/456569836) |

## What reviewers say

### Average Calculator HD

[App page](https://appshunter.io/ios/app/average-calculator-hd/id368751895)

This app calculates various statistical measures including arithmetic, geometric, and harmonic means, along with standard deviation and confidence intervals. It allows users to save and manage multiple data sets and share results via email.

**Highlights:** Arithmetic mean calculation, Geometric mean calculation, Harmonic mean calculation, Standard deviation calculation, Confidence interval calculation, Save and manage data sets, Email results

**Features:** macOS Compatibility

**In-app purchases:** none


### CASIO fx

[App page](https://appshunter.io/ios/app/casio-fx-cg500/id1256306989)

This app provides advanced mathematical and scientific calculation tools, including graphing and a computer algebra system. It offers a user interface similar to the handheld fx-CG500, with access to various applications like eActivity, Spreadsheet, Geometry, and Physium. It's designed to enhance learning for both new and experienced users.

**Highlights:** Complex calculations, Graph drawing, Computer Algebra System (CAS), eActivity for worksheets, Spreadsheet with statistical analysis, Geometry with animations, Physium periodic table and constants

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fx-CG500 1 Month Subscription | $1.99 | per month |


## Frequently asked questions

### Is Average Calculator HD free?

Average Calculator HD costs $0.99, with no in-app purchases.

### Is CASIO fx free?

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

### Which has better reviews, Average Calculator HD or CASIO fx?

CASIO fx is rated higher. Average Calculator HD averages 1.0 out of 5 from 1 ratings, while CASIO fx averages 2.7 from 9 ratings.

### Do Average Calculator HD or CASIO fx have ads?

Neither Average Calculator HD nor CASIO fx shows ads.

### Which is updated more often, Average Calculator HD or CASIO fx?

Average Calculator HD ships an update every 25 months, and CASIO fx every 6 months. Most recently, Average Calculator HD was updated on November 1, 2026 and CASIO fx on November 5, 2026.

---

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