Voice Tuner vs Do Sol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Voice Tuner
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Trace the “contour” of your pitch in real time. Voice Tuner is a simple pitch tracker for singers — no songs or sheet music needed. Just sing into the mic and instantly see how far each note is from the correct pitch. Great for: • Stabilizing your pitch in singing or vocal training • Visualizing how in-tune your voice is • Ear training and fixing an “off-key” habit • Warm-ups, karaoke, and choir practice Features: • Real-time readout: note name, octave, cents, and frequency • Trajectory graph over a semitone grid • Keys: major/minor in all 12 keys, with scale tones highlighted • Reference tone & scale playback to find your starting pitch • Record & review: get a score and per-note accuracy shown in color • Guide playback of your melody at the “correct” pitch • Play back your own recording Why you’ll like it: • Free • 100% on-device — audio is processed on your iPhone and never sent anywhere • No account required • Clean, easy-to-read design
Do Sol
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Do Sol is a "pitch pipe" app for congregational song leaders that makes finding the starting pitch of a hymn fast and easy. Instead of trying to figure out which letter name to choose on your pitch pipe, you can simply count the number of sharps or flats in the key signature and tap either of the orange buttons that many times to "lock in" the correct DO pitch. Then, just tap the large gray tone pad to sound the DO. If you want the higher or lower octave, tap the top or bottom of the tone pad when an alternate octave DO appears. While the DO is sounding, if you like, you can drag your finger up and down to hear DO MI SOL, etc. This can be useful if you are still learning how to navigate from the DO pitch to the starting note of the hymn. If practicing at home, first set the key signature with the orange buttons, then tap and drag until the note sounding on the staff matches the starting note in your hymnal. There is also a "minor mode" in the top right corner. In minor mode, most of the tone pad will sound LA instead of DO. However, if you prefer to hear DO, the top left notch of the tone pad will sound DO, and you can drag down to hear DO-TI-LA. At any time, you can tap the treble clef to reset the app to C major. The pitch wheel in the center acts more like a traditional pitch pipe, although it has a much larger (virtual) two octave range. Finally, there are scrub bars on either edge of the screen for quickly moving through either key signatures (on the left) or pitches (on the right). You can use this app in whatever way makes the most sense for you: pitch by key signature, pitch by letter name, just tap for a quick DO sound, or tap-and-drag for DO-MI-SOL, etc. "Through Jesus, therefore, let us continually offer to God a sacrifice of praise" (Hebrews 13:15a, NIV)
Screenshots
Verdict
The clearest difference is iOS requirement: Do Sol at 18.0 against Voice Tuner's 26.2. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Voice Tuner | Do Sol |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.2 | 18.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | SII ASSET MANAGEMENT LLC | Adam J. Cooper LLC |
In-app purchases
Voice Tuner
No in-app purchases
Do Sol
No in-app purchases









