Comparison

Violin Tuner vs Reverse Audio Sing Challenge

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

Head to head
About

Violin Tuner

This application helps tune any violin to standard tunings. A visual needle indicates the instrument's in-tune status, and side notes aid in tuning by ear.

Highlights
  • Standard violin tunings
  • Visual tuning needle
  • Auditory note guides
  • Supports all violins
  • Easy-to-use interface
Features
Read full description

Give every G D A E string a confident start. Violin Tuner turns a sustained bowed or plucked note into clear pitch guidance: note, octave, frequency and a needle for fine adjustments. Its pitch tracker follows your note through some background noise while avoiding a new reading when sound is too uncertain. Your G D A E strings Violin Tuner pairs microphone pitch detection with recorded reference sounds for standard G, D, A and E tuning. Use the instrument display to keep your open strings in view while you work through them one at a time. - Read the detected note, octave and frequency. - See whether the pitch is sharp or flat. - Tap a string button to hear its reference sound. - Compare the sound by ear and check your adjustment visually. Precision you can see Violin Tuner shows the note, octave and frequency in hertz. Its cent-based needle helps you move from “almost there” to in tune with small, accurate adjustments. When the sound is too uncertain, the detector waits for a clearer note instead of guessing. Get the best of both approaches: follow the needle or tap a recorded reference and tune by ear. Set your reference pitch Choose an A4 reference between 430 and 450 Hz for pitch detection, including 440 and 442 Hz. Violin Tuner remembers this setting so you can return to your chosen reference. The recorded string sounds remain fixed; changing A4 adjusts the tuning calculation, not the audio recordings. Chromatic note detection Switch to chromatic mode to follow notes outside the four standard open strings. Watch the note name and needle while sustaining a clear tone. This can support a pitch check during individual practice without adding a complicated practice routine. Start with a clear sound Allow microphone access and let one bowed or plucked note settle before making another adjustment. For your most accurate reading, let one string ring clearly near the microphone. If surrounding noise drowns out your violin, move closer or find a quieter spot. Violin Tuner gives students, fiddle players and returning musicians a focused way to prepare their strings. Built on tuner experience Our tuner apps have helped millions of users. Violin Tuner brings that experience to a focused violin tuning check.

About

Reverse Audio Sing Challenge

Features
Read full description

Record, reverse, and play with sound using Reverse Audio. Capture audio with your microphone or import a file, then hear it backward with a tap. • Play audio forward or in reverse • Adjust playback speed and pitch • Loop your favorite sounds • Save, rename, and share your recordings • Process audio directly on your device Explore hidden sounds, practice speaking backward, or turn everyday recordings into something fun.

Screenshots

Violin Tuner4 screens
Reverse Audio Sing Challenge3 screens

Verdict

The call

The clearest difference is update cadence: Reverse Audio Sing Challenge at every 4 days against Violin Tuner's every 2 months. Violin Tuner's advantage is device support (3 vs 1). On price, ads, in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Violin Tuner ships an update every 2 months, Reverse Audio Sing Challenge every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Violin Tuner versus Reverse Audio Sing Challenge: the parameters behind the verdict, then further details
ParameterViolin TunerReverse Audio Sing Challenge
PriceFreeFree
Rating4.4 (150 ratings) — better—
Positive reviews58.3% of reviews—
Number of ratings150 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size27 MB9 MB
Age rating4+4+
DeveloperJonathan de GastonVu Nhung

In-app purchases

None

Violin Tuner

No in-app purchases

None

Reverse Audio Sing Challenge

No in-app purchases

Questions

Is Violin Tuner free?
Violin Tuner is free to download, with no in-app purchases.
Is Reverse Audio Sing Challenge free?
Reverse Audio Sing Challenge is free to download, with no in-app purchases.
Do Violin Tuner or Reverse Audio Sing Challenge have ads?
Neither Violin Tuner nor Reverse Audio Sing Challenge shows ads.
Which is updated more often, Violin Tuner or Reverse Audio Sing Challenge?
Violin Tuner ships an update every 2 months, and Reverse Audio Sing Challenge every 4 days. Most recently, Violin Tuner was updated on November 3, 2026 and Reverse Audio Sing Challenge on October 31, 2026.

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