Compare apps
UpdatedDuolingo: Learn Languages, Knowunity: AI Study & Homework, MEC ENEM and Captar Express - Cogna, side by side in the App Store charts.
Duolingo: Learn Languages
Knowunity: AI Study & Homework
MEC ENEM
Captar Express - Cogna
That's the most: 4 apps. Remove one to add another.
Sign in to compare 30 and 90 days of history.
Highlights
From the latest charts. Each one needs a clear leader.
Duolingo: Learn Languages ranks highest in Free · Education in Brazil: #1, ahead of MEC ENEM at #2.
Duolingo: Learn Languages charts in the most countries: 11 of the 11 countries we track.
Duolingo: Learn Languages held the steadiest position in Free · Education in Brazil over 7 days: in the chart at every check, moving 0 places between checks on average.
Captar Express - Cogna entered the charts in 1 new country in the last 7 days: Brazil.
Side by side
Ranks and changes are in Free · Education in Brazil, unless a row says otherwise.
Rank history
Free · Education in Brazil, the last 7 days.
Brazil · Free · Education, 8 snapshots since 31 Oct. Duolingo: Learn Languages: best #1, latest #1; Knowunity: AI Study & Homework: best #2, latest #3; MEC ENEM: best #2, latest #2; Captar Express - Cogna: best #30, latest #30.
Show ranks by dateHide ranks by date
| Checked | Duolingo: Learn Languages | Knowunity: AI Study & Homework | MEC ENEM | Captar Express - Cogna |
|---|---|---|---|---|
| 7 Nov 2026 | #1 (number one) | #3 | #2 | #30 |
| 6 Nov 2026 | #1 (number one) | #3 | #9 | #55 |
| 5 Nov 2026 | #1 (number one) | #2 | #13 | — |
| 4 Nov 2026 | #1 (number one) | #5 | #12 | — |
| 3 Nov 2026 | #1 (number one) | #21 | #15 | — |
| 2 Nov 2026 | #1 (number one) | #26 | #22 | — |
| 1 Nov 2026 | #1 (number one) | #24 | #22 | — |
| 31 Oct 2026 | #1 (number one) | #19 | #18 | — |
By country
Free · Education in every tracked country where at least one of these apps is in it. Change and "a week ago" are over 7 days.
| Country | Duolingo: Learn Languages | Knowunity: AI Study & Homework | MEC ENEM | Captar Express - Cogna | Ahead |
|---|---|---|---|---|---|
| United States | #2Down 1 place#1 a week ago · best #1 | #19Up 16 places#35 a week ago · best #11 | Not in it | Not in it | Duolingo: Learn Languages |
| United Kingdom | #1 (number one)No change#1 a week ago · best #1 | #26No change#26 a week ago · best #17 | Not in it | Not in it | Duolingo: Learn Languages |
| Canada | #1 (number one)No change#1 a week ago · best #1 | Not in it | Not in it | Not in it | Duolingo: Learn Languages · only one in it |
| Australia | #1 (number one)No change#1 a week ago · best #1 | Not in it | Not in it | Not in it | Duolingo: Learn Languages · only one in it |
| Germany | #1 (number one)No change#1 a week ago · best #1 | #3No change#3 a week ago · best #2 | Not in it | Not in it | Duolingo: Learn Languages |
| France | #1 (number one)No change#1 a week ago · best #1 | #21Up 4 places#25 a week ago · best #6 | Not in it | Not in it | Duolingo: Learn Languages |
| Japan | #1 (number one)No change#1 a week ago · best #1 | Not in it | Not in it | Not in it | Duolingo: Learn Languages · only one in it |
| India | #2Up 1 place#3 a week ago · best #2 | Not in it | Not in it | Not in it | Duolingo: Learn Languages · only one in it |
| Brazil | #1 (number one)No change#1 a week ago · best #1 | #3Up 16 places#19 a week ago · best #2 | #2Up 16 places#18 a week ago · best #2 | #30Not enough history yetNot in it a week ago · best #30 | Duolingo: Learn Languages |
| Mexico | #1 (number one)No change#1 a week ago · best #1 | #4Up 8 places#12 a week ago · best #2 | Not in it | Not in it | Duolingo: Learn Languages |
| Spain | #1 (number one)Up 1 place#2 a week ago · best #1 | #2Up 1 place#3 a week ago · best #1 | Not in it | Not in it | Duolingo: Learn Languages |
By category
Each app in its own category's Free chart in Brazil. Duolingo: Learn Languages, Knowunity: AI Study & Homework, MEC ENEM and Captar Express - Cogna are all in Education, so their ranks there compare directly.
Versions
The current version from the App Store, and every update we've seen ship since we started tracking each app.
Duolingo: Learn Languages
- Current version
- 7.147.1
- 4 Nov 2026
- Released
- 13 Nov 2012
Updates since we started tracking it (8 Oct 2026)
- 7.146.1 → 7.147.14 Nov 2026
- 7.145.1 → 7.146.128 Oct 2026
- 7.144.0 → 7.145.121 Oct 2026
- 7.143.0 → 7.144.012 Oct 2026
- 7.142.0 → 7.143.08 Oct 2026
Knowunity: AI Study & Homework
- Current version
- 6.45.1
- 4 Nov 2026
- Released
- 10 Sep 2020
Updates since we started tracking it (8 Oct 2026)
- 6.44.3 → 6.45.14 Nov 2026
- 6.44.1 → 6.44.330 Oct 2026
- 6.43.5 → 6.44.129 Oct 2026
- 6.43.3 → 6.43.526 Oct 2026
- 6.43.2 → 6.43.322 Oct 2026
- 6.42.4 → 6.43.221 Oct 2026
- 6.42.3 → 6.42.416 Oct 2026
- 6.42.2 → 6.42.315 Oct 2026
- 6.41.2 → 6.42.215 Oct 2026
MEC ENEM
- Current version
- 1.22.2
- 22 Oct 2026
- Released
- 10 Oct 2025
Updates since we started tracking it (8 Oct 2026)
- 1.0.6 → 1.22.222 Oct 2026
Captar Express - Cogna
- Current version
- 3.3.0
- 27 Oct 2026
- Released
- 8 May 2026
Updates since we started tracking it (6 Nov 2026)
No new version seen yet.
Ranks come from Apple's public top 100 charts, checked once a day. Appulse Index isn't affiliated with Apple.