별꼴 튜너 vs OpenScore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
별꼴 튜너
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Oddball Tuner is a chromatic tuner that responds from the very first note. Instead of waiting for the reading to settle, it continuously shows pitch changes with a real-time meter and a time-trail display. As you tighten or loosen a string, you can visually compare the previous and current pitch and bring it to center. Features • Automatic chromatic pitch detection • Tuning modes for guitar, bass, ukulele, violin, and cello • Smooth real-time meter with a 3.2-second pitch trail • Reference pitch setting from A4 = 430–450 Hz • Concert, Bb, Eb, F, and Capo +1 transposition • Adjustable tuning tolerance • Playback of 12 reference tones with selectable octave • Keep screen awake • Dark mode and a choice of free and paid skins • Restore purchases Core tuning features are free. Certain skins are available as individual non-consumable in-app purchases. Microphone input is used only for real-time on-device pitch analysis and is never recorded or stored.
OpenScore
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Open your sheet music and focus on playing. OpenScore brings score management, annotation, page turning, and practice tracking together in one app. From daily practice to stage preparation, open the music you need on iPhone and iPad. • Import PDFs and photos of your scores, or capture paper sheet music with the camera. Arrange your pieces into setlists so the music you need for practice and performance comes up in order. • Mark fingerings, expression, and tricky spots with freehand notes and the highlighter. Keep what you learned in your lesson and noticed while practicing right on the page. • Turn to the next page with a wink or a nod. Keep reading even while both hands are on the instrument. • Set your tempo with the metronome and record your playing. Listen back to find what to polish in your next session. • Check your practice time by piece and your daily history. Look back on the practice you've built up and shape a routine of your own. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 별꼴 튜너 at none against OpenScore's 3. OpenScore's advantage is ads (none vs shown). On price, update cadence, 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
Both are free to download. OpenScore sells 3 in-app purchases, starting at $1.99 per month. 별꼴 튜너 asks for nothing beyond the download.
별꼴 튜너 ships an update every 4 days, OpenScore every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | 별꼴 튜너 | OpenScore |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 24 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | GEUNHYEONG JUNG | Nemo Studio (KR) |
In-app purchases
별꼴 튜너
No in-app purchases
OpenScore
- Pro$1.991 Month
- Pro$12.991 Year
- Plus$19.99









