Collins Subject Dictionaries Downloads & RevenueCollins Subject Dictionaries · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperUltralingua, Inc.
CategoryReference
Price11.99 GBP
Released
Rating★ 5.0 (1)
Version2.12
Age rating12+
First seen by us
22 Oct 2026
22 Oct 2026Installs (est.)100+ worldwide
Collins Subject Dictionaries update history & changes
Last change · 4 events since 18 Dec 2019Full timeline ↓📈Dropped out of every chart we track🆕First spotted by AppInsider📦Version 2.12🆕Released on the App Store
Full timeline · 4 events
- 📈Collins Subject Dictionaries dropped out of every chart we trackLast seen 22 Oct
- 🆕Collins Subject Dictionaries first spotted by AppInsider#60 in Top Paid · Reference · United Kingdom
- 📦Collins Subject Dictionaries version 2.12• Updated for iOS 26
• Miscellaneous bug fixes - 🆕Collins Subject Dictionaries released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
5.0 ★
1 ratings
Measured
Collins Subject Dictionaries on the App Store
App details
App ID
1229519043
Publisher
Ultralingua, Inc.
On the store since
Dec 2019
6 years on the store
Minimum OS
iOS 18.6+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
1 content note below
Languages
6
EN FR DE IT PT ES
Size
105 MB
Also listed in
Education
Content notesInfrequent/Mild Medical/Treatment Information
Collins Subject Dictionaries downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
1 ratings
Measured
Ratings
1
Measured
About Collins Subject Dictionaries
All Collins dictionaries are written by experts in their field. These dictionaries include thousands of entries that summarise basic principles and break down terminology.
· Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham, 2005.
· Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies, 2005.
· Collins Dictionary of Business, 3rd ed. © C. Pass, B. Lowes, A. Pendleton, L. Chadwick, D. O’Reilly and M. Afferson, 2002, 2005.
· Collins Dictionary of Law © W.J. Stewart, 2006.
· Collins Dictionary of Astronomy © V. Illingworth, 2006.
· Collins Dictionary of Sociology, 3rd ed. © D. Jary and J. Jary, 2000.
· Collins Dictionary of Medicine © R. M. Youngson, 2004, 2005.
*** ‘An impressive publication.’ – Times Higher Education Supplement. (Praise for Collins Dictionary of Sociology) ***
*** ‘It is by far the best medical dictionary I have seen and I would recommend it to anyone.’ – Amazon customer review for Collins Dictionary of Medicine ***
Whether you are studying, expanding your knowledge or simply reading for pleasure, these reference books are accessible for all.
· Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham, 2005.
· Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies, 2005.
· Collins Dictionary of Business, 3rd ed. © C. Pass, B. Lowes, A. Pendleton, L. Chadwick, D. O’Reilly and M. Afferson, 2002, 2005.
· Collins Dictionary of Law © W.J. Stewart, 2006.
· Collins Dictionary of Astronomy © V. Illingworth, 2006.
· Collins Dictionary of Sociology, 3rd ed. © D. Jary and J. Jary, 2000.
· Collins Dictionary of Medicine © R. M. Youngson, 2004, 2005.
*** ‘An impressive publication.’ – Times Higher Education Supplement. (Praise for Collins Dictionary of Sociology) ***
*** ‘It is by far the best medical dictionary I have seen and I would recommend it to anyone.’ – Amazon customer review for Collins Dictionary of Medicine ***
Whether you are studying, expanding your knowledge or simply reading for pleasure, these reference books are accessible for all.
Latest updates
2.12
• Updated for iOS 26
• Miscellaneous bug fixes
