Comparison

Singing Fingers vs Transruler free

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

Head to head
About

Singing Fingers

Create vibrant visual art by fingerpainting with sound. Touch the screen while making a noise, and watch colorful paint appear. Tap the paint to replay the original sound, turning your creations into interactive musical instruments.

Highlights
  • Fingerpaint with sound
  • Colorful paint visualization
  • Tap paint to replay sound
  • Create musical instruments
  • Experiment with sounds
  • Voice interaction
Features
Read full description

Singing Fingers lets you fingerpaint with sound. Just touch the screen while you make a sound, and colorful paint appears. Touch the paint to play back the sound again! You can paint your own musical instrument and play it, play with your voice, experiment with sounds, or create whatever else you can imagine.

About

Transruler free

This app helps musicians understand, visualize, and play various musical scales. It features interactive rulers to display scales and keys, allowing for easy transposition and learning of scale relationships. Play individual notes or entire scales with simple taps.

Highlights
  • Visualize musical scales
  • Easy transposition
  • Interactive scale rulers
  • Tap to play notes
  • Double-tap to play scales
  • Learn scale relationships
Features
Read full description

Transruler is an app to understand, display and play various musical scales. Transruler makes transposition easy. Transruler provides three rulers. The middle ruler contains all tones and semitones. The top and bottom ruler can each display a selectable scale. You can move each ruler and set the key note independently. You can play a single note by tapping once. A double tap on a scale ruler plays all notes in this scale. Double tap on the note ruler plays one octave. This all helps to visualize and learn the relationship between different scales and/or keys. This free version of Transruler displays an ad banner and just contains the Major, Minor and Blues scale. After purchasing an instrument or the editor Transruler free hides the ad banner and enables the following scales: - Major - Major (Pentatonic) - Minor - Minor (Pentatonic) - Minor (Harmonic) - Minor (Melodic) - Blues Minor - Blues Major - Gypsy Major - Gypsy Minor - Ionian - Dorian - Phrygian - Lydian - Mixolydian - Aeolian

Screenshots

Singing Fingers2 screens
Transruler free4 screens

Verdict

The call

The clearest difference is price: Transruler free at Free against Singing Fingers's $0.99. Transruler free also leads on update cadence (every 2 months vs every 96 months) and iOS requirement (6.0 vs 10.0). Singing Fingers's advantage is review sentiment (49% vs 11%) and rating (3.5 vs 3.0). On ads and device support 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

Transruler free is free to download; Singing Fingers costs $0.99 up front. Transruler free sells 3 one-off in-app purchases. Singing Fingers asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Singing Fingers holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Singing Fingers has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 49% of Singing Fingers's written reviews are positive against 11% of Transruler free's.

UpkeepUpdate frequency

Singing Fingers ships an update every 96 months, Transruler free every 2 months. Both last shipped on November 1, 2026.

Scorecard8 real differences · 2 level
Singing Fingers versus Transruler free: the parameters behind the verdict, then further details
ParameterSinging FingersTransruler free
Price$0.99Free — better
Rating3.5 (10 ratings) — better3.0 (2 ratings)
Positive reviews49.2% of reviews — better10.5% of reviews
Number of ratings10 — better2
Update frequencyEvery 96 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.06.0 — better
Further details — not scored
Size19 MB7 MB
Age rating4+4+
DeveloperBeginner's MindUwe Tilemann

Customer experience

Singing Fingers

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews61 reviews
Positive49.2%
Neutral6.6%
Negative44.3%

Transruler free

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews19 reviews
Positive10.5%
Neutral5.3%
Negative84.2%

Bugs and requests

Singing Fingers

Reported bugs

32 issues
  • Black screen on open
  • Crashes frequently
  • Doesn't draw with finger
  • Sound is intermittent
  • Screwed up other phone things
Show 27 more
  • No sound while drawing
  • Playback is a mess
  • Multitouch tracking worse
  • Blank page, nothing happens
  • Doesn't work on iPhone 6S
  • Cannot get it to record
  • Won't work for me
  • Does not let me draw
  • Records poorly
  • Not customized for iPad
  • Sound quality is awful
  • Sound is fuzzy
  • Makes voice annoying
  • Sound not clear/muffled
  • How to draw?
  • Won't install
  • Nothing happened when drawing/speaking
  • Can't hear playback
  • Fuzzy sound, doesn't recognize mic/fingers
  • No sound out headphone jack
  • Echo on playback
  • Battery drainer
  • Does not work with iPhone 2G
  • Froze
  • Doesn't recognize iTouch mic
  • Crashing and freezing
  • Doesn't recognize fingers

Requested features

3 requests
  • Higher quality setting
  • Update to enhance mic sound
  • Retina display support

Transruler free

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Singing Fingers

No in-app purchases

3 purchases

Transruler free

One-time3
  • Transruler Piano$1.99
  • Transruler Guitar$1.99
  • Transruler Editor$1.99

Questions

Is Singing Fingers free?
Singing Fingers costs $0.99, with no in-app purchases.
Is Transruler free free?
Transruler free is free to download, with in-app purchases available.
Which has better reviews, Singing Fingers or Transruler free?
Singing Fingers is rated higher. Singing Fingers averages 3.5 out of 5 from 10 ratings, while Transruler free averages 3.0 from 2 ratings.
Do Singing Fingers or Transruler free have ads?
Neither Singing Fingers nor Transruler free shows ads.
Which is updated more often, Singing Fingers or Transruler free?
Singing Fingers ships an update every 96 months, and Transruler free every 2 months. Most recently, Singing Fingers was updated on November 1, 2026 and Transruler free on November 1, 2026.

Other comparisons