# f(x) Calc vs AI Coding Learning Guide

The clearest difference is monetization model: f(x) Calc at free against AI Coding Learning Guide's freemium. f(x) Calc also leads on update cadence (every 10 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. f(x) Calc sells 1 one-off in-app purchase and AI Coding Learning Guide sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for f(x) Calc against 5.0 for AI Coding Learning Guide. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

f(x) Calc ships an update every 10 days, AI Coding Learning Guide every 2 months. The most recent releases landed on September 23, 2026 and June 27, 2026 respectively.

## The numbers

| Metric | f(x) Calc | AI Coding Learning Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fx-calc/id6760609257/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ai-coding-learning-guide/id6761110446/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 10 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David Russell](https://appshunter.io/developer/1104864276) | [ACCIONA ENERGIJA d.o.o.](https://appshunter.io/developer/1887817576) |

## 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 |


### AI Coding Learning Guide

[App page](https://appshunter.io/ios/app/ai-coding-learning-guide/id6761110446)

Master AI-driven development with practical guides on code generation, debugging, and prompt writing. Explore essential topics and learn new languages with AI assistance. Content is organized for quick access and fast learning.

**Highlights:** AI-driven code generation, Code debugging and improvement, Prompt writing for AI, Real-world development techniques, Organized guide catalog, Save guides to Favorites

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guides Premium | $5.99 | per 7 days |
| Coding Guides Premium | $5.99 | per 7 days |
| Coding Guides Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is f(x) Calc free?

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

### Is AI Coding Learning Guide free?

AI Coding Learning Guide is free to download, with in-app purchases available.

### Which has better reviews, f(x) Calc or AI Coding Learning Guide?

f(x) Calc and AI Coding Learning Guide are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do f(x) Calc or AI Coding Learning Guide have ads?

Neither f(x) Calc nor AI Coding Learning Guide shows ads.

### Which is updated more often, f(x) Calc or AI Coding Learning Guide?

f(x) Calc ships an update every 10 days, and AI Coding Learning Guide every 2 months. Most recently, f(x) Calc was updated on September 23, 2026 and AI Coding Learning Guide on June 27, 2026.

---

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