Comparison

별꼴 튜너 vs OpenScore

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

Head to head
About

별꼴 튜너

Features
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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.

About

OpenScore

Features
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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

별꼴 튜너4 screens
OpenScore4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
별꼴 튜너 versus OpenScore: the parameters behind the verdict, then further details
Parameter별꼴 튜너OpenScore
PriceFreeFree
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size24 MB100 MB
Age rating4+4+
DeveloperGEUNHYEONG JUNGNemo Studio (KR)

In-app purchases

None

별꼴 튜너

No in-app purchases

3 purchases

OpenScore

Subscriptions2
  • Pro$1.991 Month
  • Pro$12.991 Year
One-time1
  • Plus$19.99

Questions

Is 별꼴 튜너 free?
별꼴 튜너 is free to download, with no in-app purchases.
Is OpenScore free?
OpenScore is free to download, with in-app purchases available.
Do 별꼴 튜너 or OpenScore have ads?
별꼴 튜너 shows ads; OpenScore does not.
Which is updated more often, 별꼴 튜너 or OpenScore?
별꼴 튜너 ships an update every 4 days, and OpenScore every 3 days. Most recently, 별꼴 튜너 was updated on October 31, 2026 and OpenScore on November 6, 2026.

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