Chart standing · US
Not currently charting in this storefront.
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Aug 26, 2026
Rating
★ 3.5 → 3.47
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.
Average rating
Ratings breakdown · US
The star breakdown behind this app's rating in this storefront.
5★
49%
105
4★
10%
21
3★
8%
17
2★
7%
15
1★
27%
57
Screenshots
About
Dial in your viola with clear, accurate reference notes for standard tuning (C G D A).
What's new · 1.13.0
Minor UI fixes and stability improvements.
Details
DeveloperKit A Yu
ReleasedNov 2009
UpdatedMay 2026
Version1.13.0
Size46.8 MB
RequiresiOS 15.0 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories
Bundle IDcom.alvinyu.violatuner