Apps with estimates
0 of 20% of their apps have a 30-day estimate
Empty Studio
iOS apps by Empty Studio, with estimated downloads and revenue.
PublisherUpdated Oct 25, 2026
Avg. rating
4.81Weighted by number of ratings
Apps All 2 of their apps we track.
| App | Category | Downloads · 30D |
|---|---|---|
 Bookology: Book TrackerBook | Book | Downloads and revenue for apps outside the free top 300 are part of Pro |
 Artology: Art IdentifierEducation | Education | Downloads and revenue for apps outside the free top 300 are part of Pro |
| App | Category | Released | Downloads · 30D |
|---|---|---|---|
| Artology: Art IdentifierEducation | Education | Aug 2, 2026 | Downloads and revenue for apps outside the free top 300 are part of Pro |
| Bookology: Book TrackerBook | Book | Jul 11, 2025 |
Categories Share of their apps
- Book50%
- Education50%
About this data: every app of theirs we track. Downloads and revenue are AppTrendKit estimates, not the publisher's own numbers; ratings come from the App Store.