# StellarMaths vs Audio Fastlane

The clearest difference is in-app purchases: StellarMaths at none against Audio Fastlane's 4. StellarMaths also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). Audio Fastlane's advantage is update cadence (fortnightly vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Audio Fastlane sells 4 in-app purchases, starting at $24.99 per month. StellarMaths asks for nothing beyond the download.

StellarMaths ships an update every 5 weeks, Audio Fastlane fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | StellarMaths | Audio Fastlane |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 74 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iWhiz PTY Ltd](https://appshunter.io/developer/1387138803) | [Henry Peace](https://appshunter.io/developer/6787689360) |

## What reviewers say

### StellarMaths

[App page](https://appshunter.io/ios/app/stellarmaths/id6472276282)

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

**In-app purchases:** none


### Audio Fastlane

[App page](https://appshunter.io/ios/app/audio-fastlane/id6787689358)

This app transforms commutes and workouts into study sessions for maritime professionals. It offers audiobooks covering essential qualifications, taught through real-life incidents to enhance retention for exams.

**Highlights:** Full exam prep audiobooks, Disaster-anchored teaching method, Written by working deck officers, Continue listening across titles, Chapter navigation by syllabus, Adjustable playback speed, Car mode with simple controls, Offline listening support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access – 1 Month | $24.99 | per month |
| All Access – 3 Months | $59.99 | per 3 months |
| All Access – 6 Months | $99.99 | per 6 months |
| All Access – 12 Months | $149.99 | per year |


## Frequently asked questions

### Is StellarMaths free?

StellarMaths is free to download, with no in-app purchases.

### Is Audio Fastlane free?

Audio Fastlane is free to download, with in-app purchases available.

### Do StellarMaths or Audio Fastlane have ads?

Audio Fastlane shows ads; StellarMaths does not.

### Which is updated more often, StellarMaths or Audio Fastlane?

StellarMaths ships an update every 5 weeks, and Audio Fastlane fortnightly. Most recently, StellarMaths was updated on October 25, 2026 and Audio Fastlane on October 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.*