Compare apps
UpdatedDuolingo: Learn Languages, Google Classroom, Knowunity: AI Study & Homework and Kaixo, side by side in the App Store charts.
Duolingo: Learn Languages
Google Classroom
Knowunity: AI Study & Homework
Kaixo
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.
Knowunity: AI Study & Homework ranks highest in Free · Education in Spain: #1, ahead of Duolingo: Learn Languages at #2.
Duolingo: Learn Languages charts in the most countries: 11 of the 11 countries we track.
Google Classroom held the steadiest position in Free · Education in Spain over 7 days: in the chart at every check, moving 0 places between checks on average.
Side by side
Ranks and changes are in Free · Education in Spain, unless a row says otherwise.
Rank history
Free · Education in Spain, the last 7 days.
Spain · Free · Education, 8 snapshots since 30 Oct. Duolingo: Learn Languages: best #2, latest #2; Google Classroom: best #3, latest #3; Knowunity: AI Study & Homework: best #1, latest #1; Kaixo: best #52, latest #77.
Show ranks by dateHide ranks by date
| Checked | Duolingo: Learn Languages | Google Classroom | Knowunity: AI Study & Homework | Kaixo |
|---|---|---|---|---|
| 6 Nov 2026 | #2 | #3 | #1 (number one) | #77 |
| 5 Nov 2026 | #2 | #4 | #1 (number one) | #57 |
| 4 Nov 2026 | #3 | #4 | #1 (number one) | #52 |
| 3 Nov 2026 | #2 | #4 | #3 | — |
| 2 Nov 2026 | #2 | #4 | #3 | — |
| 1 Nov 2026 | #2 | #4 | #3 | — |
| 31 Oct 2026 | #2 | #4 | #3 | — |
| 30 Oct 2026 | #3 | #4 | #2 | — |
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 | Google Classroom | Knowunity: AI Study & Homework | Kaixo | Ahead |
|---|---|---|---|---|---|
| United States | #2Down 1 place#1 a week ago · best #1 | #6Up 1 place#7 a week ago · best #3 | #12Up 10 places#22 a week ago · best #11 | Not in it | Duolingo: Learn Languages |
| United Kingdom | #1 (number one)No change#1 a week ago · best #1 | #7Up 10 places#17 a week ago · best #3 | #22Up 1 place#23 a week ago · best #17 | Not in it | Duolingo: Learn Languages |
| Canada | #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 |
| Australia | #1 (number one)No change#1 a week ago · best #1 | #21No change#21 a week ago · best #17 | Not in it | Not in it | Duolingo: Learn Languages |
| Germany | #1 (number one)No change#1 a week ago · best #1 | Not in it | #2Up 1 place#3 a week ago · best #2 | Not in it | Duolingo: Learn Languages |
| France | #1 (number one)No change#1 a week ago · best #1 | #44Up 17 places#61 a week ago · best #22 | #11Up 10 places#21 a week ago · best #6 | Not in it | Duolingo: Learn Languages |
| Japan | #1 (number one)No change#1 a week ago · best #1 | #7Down 2 places#5 a week ago · best #3 | Not in it | Not in it | Duolingo: Learn Languages |
| India | #2Up 3 places#5 a week ago · best #2 | #6Up 2 places#8 a week ago · best #4 | Not in it | Not in it | Duolingo: Learn Languages |
| Brazil | #1 (number one)No change#1 a week ago · best #1 | #16Up 2 places#18 a week ago · best #9 | #3Up 6 places#9 a week ago · best #2 | Not in it | Duolingo: Learn Languages |
| Mexico | #1 (number one)No change#1 a week ago · best #1 | #3Down 1 place#2 a week ago · best #2 | #2Up 4 places#6 a week ago · best #2 | Not in it | Duolingo: Learn Languages |
| Spain | #2Up 1 place#3 a week ago · best #1 | #3Up 1 place#4 a week ago · best #2 | #1 (number one)Up 1 place#2 a week ago · best #1 | #77Not enough history yetNot in it a week ago · best #52 | Knowunity: AI Study & Homework |
By category
Each app in its own category's Free chart in Spain. Duolingo: Learn Languages, Google Classroom, Knowunity: AI Study & Homework and Kaixo 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
Google Classroom
- Current version
- 3.70.300053390
- 2 Nov 2026
- Released
- 13 Jan 2015
Updates since we started tracking it (8 Oct 2026)
- 3.69.300052970 → 3.70.3000533902 Nov 2026
- 3.68.300052585 → 3.69.30005297019 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
Kaixo
- Current version
- 1.1.5
- 25 Oct 2026
- Released
- 29 Jun 2026
Updates since we started tracking it (4 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.