Comparison

TestTone vs Piano Melody Pro

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

Head to head
About

TestTone

Features
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This test signal generator is ideal for checking audio equipment and confirming audible frequency ranges.It can play sine, triangle, sawtooth, and square waves from 20 Hz to 20 kHz, as well as white noise and pink noise. Features • You can switch between preset frequencies, white noise, and pink noise using the frequency preset buttons. You can also tap the frequency display area to enter any desired frequency manually. The frequency can also be adjusted using the left/right buttons or by tapping the frequency display. • Supports switching between sine, triangle, sawtooth, and square waveforms. • Playback starts or stops by tapping the ON/OFF button or the icon at the top. Note Playing at high volumes may cause hearing damage or damage to your audio equipment. Please use with caution.

About

Piano Melody Pro

Learn to play piano by ear with a vast library of songs. This app offers a configurable piano interface and tools to help users of all ages and skill levels master melodies and play along with music.

Highlights
  • Learn songs by ear
  • Over 1000 songs
  • Configurable piano interface
  • Adjustable playback speed
  • Note highlighting
  • Authentic grand piano sounds
Features
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• Learn to play your favorite songs on the piano by playing back the melody • Over 1000 songs to learn from different eras and genres. • Highly configurable piano (multitouch, glissando, highlighting, note labels) • Resizable piano suitable for all. Become a Better Musician Develop your ability to play by ear. Given a melody, can you play it back or play along? Start with a few notes and build up until you've mastered the song. Suitable for all ages (kids to adults) and for all abilities (beginner to advanced). Features Set the size of the keys on the piano. The larger the keys, the more accurate to get the right notes, the smaller the keys you can see all 3 octaves on screen. Full support for all devices. Focus on parts of the song to play back. Authentic digitised grand piano sounds. Highlight notes on/off to play by ear. Slow down / speed up the song. Turn up / down volume of song play, which is ideal for play along mode. There are no advertisements in this Pro version. Song List The song list is varied containing all genres such as Rock, Classical, The Latest Pop, Film Theme Tunes, TV Theme Tunes, 60s, 70s, 80s, 90s, Naughties, Modern, Alternative, Indie, Latin and more. Details Songs capture the main melody / chorus / intro / verse and contain upto 400 notes.

Screenshots

TestTone1 screens
Piano Melody Pro4 screens

Verdict

The call

The clearest difference is price: TestTone at $1.99 against Piano Melody Pro's $29.99. Piano Melody Pro's advantage is update cadence (monthly vs every 5 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

TestTone costs $1.99 and Piano Melody Pro $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TestTone ships an update every 5 months, Piano Melody Pro monthly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
TestTone versus Piano Melody Pro: the parameters behind the verdict, then further details
ParameterTestTonePiano Melody Pro
Price$1.99 — better$29.99
Rating—4.3 (19 ratings) — better
Positive reviews—81.4% of reviews
Number of ratings—19 — better
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size8 MB54 MB
Age rating4+4+
DeveloperHTLabLearn To Master Ltd

Bugs and requests

TestTone

Not enough reviews yet to summarise bugs or requests.

Piano Melody Pro

Reported bugs

3 issues
  • No sound on some devices
  • Crashes on song selection
  • Incorrect note playback

Requested features

5 requests
  • Add more modern/popular songs
  • Expand song library
  • Implement full song playback
  • Add scrolling keyboard during playback
  • Improve song selection interface

In-app purchases

None

TestTone

No in-app purchases

None

Piano Melody Pro

No in-app purchases

Questions

Is TestTone free?
TestTone costs $1.99, with no in-app purchases.
Is Piano Melody Pro free?
Piano Melody Pro costs $29.99, with no in-app purchases.
Do TestTone or Piano Melody Pro have ads?
Neither TestTone nor Piano Melody Pro shows ads.
Which is updated more often, TestTone or Piano Melody Pro?
TestTone ships an update every 5 months, and Piano Melody Pro monthly. Most recently, TestTone was updated on November 1, 2026 and Piano Melody Pro on November 8, 2026.

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