# Basic algebra vs FeNO Learn by NIOX®

The clearest difference is price: FeNO Learn by NIOX® at Free against Basic algebra's $0.99. FeNO Learn by NIOX® also leads on update cadence (every 2 months vs every 25 months) and iOS requirement (12.0 vs 16.0). Basic algebra's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

FeNO Learn by NIOX® is free to download; Basic algebra costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Basic algebra ships an update every 25 months, FeNO Learn by NIOX® every 2 months. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Basic algebra | FeNO Learn by NIOX® |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/feno-learn-by-niox/id1673279639/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 3 MB | 21 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Elisabet Rimeid Amundsen](https://appshunter.io/developer/1161264917) | [NIOX Group PLC](https://appshunter.io/developer/1673279641) |

## What reviewers say

### Basic algebra

[App page](https://appshunter.io/ios/app/basic-algebra/id1548194851)

**Features:** macOS Compatibility

**In-app purchases:** none


### FeNO Learn by NIOX®

[App page](https://appshunter.io/ios/app/feno-learn-by-niox/id1673279639)

This app provides healthcare professionals with in-depth educational modules on fractional exhaled nitric oxide (FeNO) testing and interpretation. It offers case studies and resources to enhance asthma care and clinical decision-making.

**Highlights:** In-depth FeNO testing insights, Advanced learning modules, Clinical integration guidance, Real-world case studies, Curated respiratory health resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Basic algebra free?

Basic algebra costs $0.99, with no in-app purchases.

### Is FeNO Learn by NIOX® free?

FeNO Learn by NIOX® is free to download, with no in-app purchases.

### Do Basic algebra or FeNO Learn by NIOX® have ads?

FeNO Learn by NIOX® shows ads; Basic algebra does not.

### Which is updated more often, Basic algebra or FeNO Learn by NIOX®?

Basic algebra ships an update every 25 months, and FeNO Learn by NIOX® every 2 months. Most recently, Basic algebra was updated on October 1, 2026 and FeNO Learn by NIOX® on September 25, 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.*