Compare apps
UpdatedDuolingo: Learn Languages, Knowunity: AI Study & Homework, Untis Mobile and Wissenschaftlicher Rechner 87, side by side in the App Store charts.
Duolingo: Learn Languages
Knowunity: AI Study & Homework
Untis Mobile
Wissenschaftlicher Rechner 87
That's the most: 4 apps. Remove one to add another.
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Highlights
From the latest charts. Each one needs a clear leader.
Duolingo: Learn Languages ranks highest in Free · Education in Germany: #1, ahead of Untis Mobile at #2.
Untis Mobile gained the most in Free · Education in Germany over 7 days: up 3 places.
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 Germany 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 Germany, unless a row says otherwise.
Rank history
Free · Education in Germany, the last 7 days.
Germany · Free · Education, 8 snapshots since 29 Oct. Duolingo: Learn Languages: best #1, latest #1; Knowunity: AI Study & Homework: best #3, latest #3; Untis Mobile: best #2, latest #2; Wissenschaftlicher Rechner 87: best #95, latest #95.
Show ranks by dateHide ranks by date
| Checked | Duolingo: Learn Languages | Knowunity: AI Study & Homework | Untis Mobile | Wissenschaftlicher Rechner 87 |
|---|---|---|---|---|
| 5 Nov 2026 | #1 (number one) | #3 | #2 | #95 |
| 4 Nov 2026 | #1 (number one) | #3 | #2 | — |
| 3 Nov 2026 | #1 (number one) | #3 | #2 | — |
| 2 Nov 2026 | #1 (number one) | #3 | #2 | — |
| 1 Nov 2026 | #1 (number one) | #5 | #12 | — |
| 31 Oct 2026 | #1 (number one) | #3 | #12 | — |
| 30 Oct 2026 | #1 (number one) | #3 | #6 | — |
| 29 Oct 2026 | #1 (number one) | #3 | #5 | — |
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 | Untis Mobile | Wissenschaftlicher Rechner 87 | Ahead |
|---|---|---|---|---|---|
| United States | #1 (number one)No change#1 a week ago · best #1 | #12Up 7 places#19 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 | #17Up 4 places#21 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 | #2Down 1 place#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 | #2Up 3 places#5 a week ago · best #2 | #95Not enough history yetNot in it a week ago · best #95 | Duolingo: Learn Languages |
| France | #1 (number one)No change#1 a week ago · best #1 | #8Up 21 places#29 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 | #2No change#2 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 | #2Up 7 places#9 a week ago · best #2 | Not in it | Not in it | Duolingo: Learn Languages |
| Mexico | #1 (number one)No change#1 a week ago · best #1 | #2Up 3 places#5 a week ago · best #2 | Not in it | Not in it | Duolingo: Learn Languages |
| Spain | #2No change#2 a week ago · best #1 | #1 (number one)No change#1 a week ago · best #1 | Not in it | Not in it | Knowunity: AI Study & Homework |
By category
Each app in its own category's Free chart in Germany. Duolingo: Learn Languages, Knowunity: AI Study & Homework, Untis Mobile and Wissenschaftlicher Rechner 87 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
Untis Mobile
- Current version
- 4.9.0
- 15 Oct 2026
- Released
- 11 Dec 2014
Updates since we started tracking it (8 Oct 2026)
- 4.8.0 → 4.9.015 Oct 2026
Wissenschaftlicher Rechner 87
- Current version
- 3.6.6
- 22 Oct 2026
- Released
- 3 Apr 2019
Updates since we started tracking it (9 Oct 2026)
- 3.6.2 → 3.6.622 Oct 2026
- 3.6.1 → 3.6.214 Oct 2026
Ranks come from Apple's public top 100 charts, checked once a day. Appulse Index isn't affiliated with Apple.