Comparison

Math Ref vs Ukulele by Ear

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

Head to head
About

Math Ref

Access a vast library of over 1,400 math, physics, and chemistry formulas, figures, and examples. Includes helpful tools like a unit converter and solvers for common calculations. Ideal for students, teachers, and professionals needing quick access to mathematical resources.

Highlights
  • 1,400+ formulas, figures, and examples
  • Unit converter
  • Quadratic solver
  • Triangle solver
  • Save equations in groups
  • Searchable prime numbers
Features
Read full description

Math Ref is an award winning education app. Browse over 1,400 formulas, figures, and examples to help you with math, physics, chemistry and more. Tools such as a unit converter, quadratic solver, and triangle solver help you perform common calculations fast. So, if you're a student, teacher, or need math for work and want to try before you buy, this app is for you. *Let us know what we can do to be a 5 star app! Email us at info@happymaau.com* "Math Ref is just an awesomely useful app for students, teachers, and anyone else who works with math and needs to do a lot of calculations." - FindmySoft.com For awards, features, and mentions go to www.happymaau.com Features: -Tools: Ranging from Algebra to Physics -Favorites: Easily save equations in groups -Search: Easily find what you're looking for -Print Support: Print equations or groups -Editable Notes: Write what will help you best -Searchable Prime Numbers: Now easily search through the first 10,000 primes See our site www.happymaau.com for more information. Current Main Categories: -Algebra -Geometry -Trigonometry -Linear Algebra -Series & Sequences -Derivatives -Integration -Table of Integrals -Vector Calculus -Differential Equations -Discrete -Probability and Statistics -Physics -Chemistry -Algorithms -Financial (includes Real Estate) -Glossary

About

Ukulele by Ear

Features
Read full description

…so you learned a couple of chords and your favorite melodies, but you don’t feel any progress anymore… Ukulele by Ear comes to rescue! This is a pro tool for ukulele learners who want a shortcut to fluency on the instrument. You can start on any level and still gain powerful progress. With this tool you will be able to play the ukulele it is meant to be played by ear, any melody or solo, you will gain a very deep understanding of chords and the notes they consist of and are surrounded by, they tell you all about this in lessons, but you never actually get to ingrain it. Yet this is the most important skill there is for mastering the ukulele and play any music by ear. The app allows you to practice with just the smartphone or with your real ukulele. This exercise might look a little bit tedious, but trust us, you will see very powerful results in your music within days of using the app 10-20 minutes per day. You could call it hacking the ukulele. You will learn to play the instrument by ear in DAYS with Ukulele by Ear, something other musicians struggle for YEARS for and still not everyone gets there. You will. During the first month. How much money would you pay to obtain such a skill? Consider this your lucky day, because you are on your way for real musicianship whether it is your hobby or you want to pursue career in music, this app sets you app for the best results.

Screenshots

Math Ref4 screens
Ukulele by Ear4 screens

Verdict

The call

The clearest difference is price: Math Ref at $1.99 against Ukulele by Ear's $12.99. Math Ref also leads on update cadence (monthly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Math Ref costs $1.99 and Ukulele by Ear $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Math Ref ships an update monthly, Ukulele by Ear every 3 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Math Ref versus Ukulele by Ear: the parameters behind the verdict, then further details
ParameterMath RefUkulele by Ear
Price$1.99 — better$12.99
Rating4.3 (26 ratings) — better—
Positive reviews81.4% of reviews—
Number of ratings26 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size65 MB190 MB
Age rating4+4+
DeveloperHappy Maau Studios, LLCOleg Sokolov

Bugs and requests

Math Ref

Reported bugs

2 issues
  • Periodic table display issues on iPad
  • Freezing and crashing on certain devices

Requested features

5 requests
  • Add user-defined formulas and notes
  • Improve organization with better categorization
  • Implement search and filtering capabilities
  • Incorporate more examples and step-by-step solutions
  • Add advanced math features (e.g., Laplace transforms, complex analysis)

Ukulele by Ear

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Math Ref

No in-app purchases

None

Ukulele by Ear

No in-app purchases

Questions

Is Math Ref free?
Math Ref costs $1.99, with no in-app purchases.
Is Ukulele by Ear free?
Ukulele by Ear costs $12.99, with no in-app purchases.
Do Math Ref or Ukulele by Ear have ads?
Neither Math Ref nor Ukulele by Ear shows ads.
Which is updated more often, Math Ref or Ukulele by Ear?
Math Ref ships an update monthly, and Ukulele by Ear every 3 months. Most recently, Math Ref was updated on October 10, 2026 and Ukulele by Ear on October 7, 2026.

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