Comparison

StellarMaths vs Audio Fastlane

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

StellarMaths

Features
Read full description

Interactive Lessons: Dive into a world of interactive tutorials that make learning math not just easy, but fun. Personalized Learning Paths: Tailored to your individual pace and level, ensuring a learning experience that suits your needs. Comprehensive Curriculum Coverage: From basic arithmetic to advanced calculus, find all the topics you need. Real-World Problem Solving: Apply math to real-life scenarios, enhancing understanding and practical skills.

About

Audio Fastlane

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
Read full description

Audio Fastlane turns the reading for your next ticket or certificate into audiobooks, so the studying happens while your hands are busy: on watch, washing down, in the gym, in the car, or on the way to the airfield. There are two sides to the library. Maritime covers yacht, merchant navy, and fishing and workboat tickets. Aviation covers the FAA private pilot certificate. Choose your side when you first open the app and the library follows. Every title is written from the syllabus, the textbooks and the course notes. Where a title has been checked against published accident reports, its page says which reports and when it was last reviewed, so you can see what you are trusting. LISTEN, READ, SEE, TEST - Listen. Plays in the background with lock-screen controls. Skip fifteen seconds either way, change speed from 0.5x to 2x, and pick up exactly where you left off, to the second. - Read along. Pull up from the player and the chapter's text rides up over it, with the word being spoken highlighted. Tap any word to jump the audio there. Press and hold a term to see what it means. Turn the text up large, or let it scroll itself. - Visual recaps. On most titles, each chapter has a strip of short animated diagram cards, one idea per card, for the rules that are easier seen than heard. - Exam-style questions. Questions on each chapter, a random set from any book, a mixed exam across your route, and practice on the questions you keep getting wrong. BUILT FOR THE WAY YOU STUDY - Routes and tickets. Home shows one button for each route, in ladder order from entry level to the top ticket. Tell the app what you are working towards and your own route comes first. - Progress. A daily listening goal, a streak, the titles you have finished, and a running total of the hours you have put towards your ticket or certificate. - Downloads on tap, a chapter or a whole book, for listening with no signal. Nothing downloads on its own. - Sleep timer: 15, 30, 45 or 60 minutes, or the end of the chapter. - Car mode: one tap from the player for large controls you can use at a glance. - Bookmarks, and a share link for any chapter. - Reminders, if you want them. Notifications are off until you say yes, and you can switch them off in Settings. - Report a bug from inside the app. FIVE TITLES FREE, FOR GOOD No subscription and no account: COLREGs Explained, COLREGs Word for Word, Yachtmaster Offshore, The Casualties That Wrote the Rules of the Sea, and Private Pilot: The Accidents That Wrote the Rules of the Sky. ALL ACCESS All Access unlocks every title in the library, new ones included, with their read-along, recaps and questions. It comes in 1-month, 3-month and 12-month plans. Customers who are eligible for the introductory offer start with a 3-day free trial; the app tells you before you buy whether you are eligible. Prices are shown in the app in your local currency. YOUR ACCOUNT The free titles need no account. An account keeps your place in step across your devices, and you can delete it yourself in Settings at any time. COMING FROM THE OLD APP Your subscription comes with you: open the app and tap Restore, or sign in. Listening positions, bookmarks and downloads start again on this version. SUBSCRIPTION INFORMATION All Access is an auto-renewing subscription, sold in 1-month, 3-month and 12-month lengths. Payment is charged to your Apple Account at confirmation of purchase. It renews at the same price unless cancelled at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours of the end of that period. Manage or cancel in your Apple Account settings after purchase. Where a free trial is offered, any unused part of it is forfeited if you buy a subscription before it ends. Privacy Policy: https://audiofastlane.com/policies/privacy-policy Terms of Use (EULA): https://audiofastlane.com/policies/terms-of-service

Screenshots

StellarMaths4 screens
Audio Fastlane4 screens

Verdict

The call

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.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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

Scorecard4 real differences ยท 4 level
StellarMaths versus Audio Fastlane: the parameters behind the verdict, then further details
ParameterStellarMathsAudio Fastlane
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 5 weeksFortnightly โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
Monetizationโ€”Free with in-app purchases
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better16.4
Further details โ€” not scored
Size33 MB74 MB
Age rating4+4+
DeveloperiWhiz PTY LtdHenry Peace

In-app purchases

None

StellarMaths

No in-app purchases

4 purchases

Audio Fastlane

Subscriptions4
  • All Access โ€“ 1 Month3 Days trial$24.991 Month
  • All Access โ€“ 3 Months3 Days trial$59.993 Months
  • All Access โ€“ 6 Months3 Days trial$99.996 Months
Show 1 more
  • All Access โ€“ 12 Months3 Days trial$149.991 Year

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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