# f(x) Calc vs Pinyin Reader

The clearest difference is price: f(x) Calc at Free against Pinyin Reader's $1.99. Pinyin Reader's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 16.6). On ads and device support there is nothing between them.

f(x) Calc is free to download; Pinyin Reader costs $1.99 up front. f(x) Calc sells 1 one-off in-app purchase. Pinyin Reader asks for nothing beyond the download.

## The numbers

| Metric | f(x) Calc | Pinyin Reader |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fx-calc/id6760609257/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 5 MB | 27 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Russell](https://appshunter.io/developer/1104864276) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### f(x) Calc

[App page](https://appshunter.io/ios/app/fx-calc/id6760609257)

A full-featured scientific calculator designed for math and science students. It offers natural math entry and includes built-in examples to aid learning. A simplified Junior mode is available for everyday use.

**Highlights:** Natural Maths entry, Built-in learning examples, Junior mode for everyday use, Ideal for math and science study, Full-featured scientific calculator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | Free | one-time |


### Pinyin Reader

[App page](https://appshunter.io/ios/app/pinyin-reader-mandarin-tones/id6786561162)

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

**In-app purchases:** none


## Frequently asked questions

### Is f(x) Calc free?

f(x) Calc is free to download, with in-app purchases available.

### Is Pinyin Reader free?

Pinyin Reader costs $1.99, with no in-app purchases.

### Do f(x) Calc or Pinyin Reader have ads?

Neither f(x) Calc nor Pinyin Reader shows ads.

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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.*