Compare apps
UpdatedThreema. The Secure Messenger, imo video calls and chat HD, TeleGuard and Calvin Crush, side by side in the App Store charts.
Threema. The Secure Messenger
imo video calls and chat HD
TeleGuard
Calvin Crush
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.
imo video calls and chat HD ranks highest in Paid · Social Networking in the United States: #1, ahead of Threema. The Secure Messenger at #2.
imo video calls and chat HD gained the most in Paid · Social Networking in the United States over 7 days: up 1 place.
TeleGuard held the steadiest position in Paid · Social Networking in the United States over 7 days: in the chart at every check, moving 0 places between checks on average.
Calvin Crush entered the charts in 1 new country in the last 7 days: the United States.
Side by side
Ranks and changes are in Paid · Social Networking in the United States, unless a row says otherwise.
Rank history
Paid · Social Networking in the United States, the last 7 days.
United States · Paid · Social Networking, 8 snapshots since 1 Nov. Threema. The Secure Messenger: best #1, latest #2; imo video calls and chat HD: best #1, latest #1; TeleGuard: best #3, latest #3; Calvin Crush: best #12, latest #12.
Show ranks by dateHide ranks by date
| Checked | Threema. The Secure Messenger | imo video calls and chat HD | TeleGuard | Calvin Crush |
|---|---|---|---|---|
| 8 Nov 2026 | #2 | #1 (number one) | #3 | #12 |
| 7 Nov 2026 | #1 (number one) | #2 | #3 | — |
| 6 Nov 2026 | #1 (number one) | #2 | #3 | — |
| 5 Nov 2026 | #1 (number one) | #2 | #3 | — |
| 4 Nov 2026 | #1 (number one) | #2 | #3 | — |
| 3 Nov 2026 | #1 (number one) | #2 | #3 | — |
| 2 Nov 2026 | #1 (number one) | #2 | #3 | — |
| 1 Nov 2026 | #1 (number one) | #2 | #3 | — |
By country
Paid · Social Networking in every tracked country where at least one of these apps is in it. Change and "a week ago" are over 7 days.
| Country | Threema. The Secure Messenger | imo video calls and chat HD | TeleGuard | Calvin Crush | Ahead |
|---|---|---|---|---|---|
| United States | #2Down 1 place#1 a week ago · best #1 | #1 (number one)Up 1 place#2 a week ago · best #1 | #3No change#3 a week ago · best #3 | #12Not enough history yetNot in it a week ago · best #12 | imo video calls and chat HD |
| United Kingdom | #2No change#2 a week ago · best #1 | Not in it | #1 (number one)No change#1 a week ago · best #1 | Not in it | TeleGuard |
| Canada | #1 (number one)No change#1 a week ago · best #1 | Not in it | #2Up 3 places#5 a week ago · best #2 | Not in it | Threema. The Secure Messenger |
| Australia | #1 (number one)No change#1 a week ago · best #1 | Not in it | #3No change#3 a week ago · best #2 | Not in it | Threema. The Secure Messenger |
| Germany | #1 (number one)No change#1 a week ago · best #1 | Not in it | #2No change#2 a week ago · best #2 | Not in it | Threema. The Secure Messenger |
| France | #3Down 1 place#2 a week ago · best #1 | Not in it | #1 (number one)No change#1 a week ago · best #1 | Not in it | TeleGuard |
| Japan | #1 (number one)Up 5 places#6 a week ago · best #1 | Not in it | #39Down 2 places#37 a week ago · best #5 | Not in it | Threema. The Secure Messenger |
| India | #1 (number one)Up 1 place#2 a week ago · best #1 | Not in it | #3No change#3 a week ago · best #3 | Not in it | Threema. The Secure Messenger |
| Brazil | #2No change#2 a week ago · best #1 | Not in it | #4No change#4 a week ago · best #3 | Not in it | Threema. The Secure Messenger |
| Mexico | #1 (number one)No change#1 a week ago · best #1 | Not in it | #7Down 2 places#5 a week ago · best #2 | Not in it | Threema. The Secure Messenger |
| Spain | #1 (number one)No change#1 a week ago · best #1 | Not in it | #5Down 2 places#3 a week ago · best #2 | Not in it | Threema. The Secure Messenger |
By category
Each app in its own category's Paid chart in the United States. Threema. The Secure Messenger, imo video calls and chat HD, TeleGuard and Calvin Crush are all in Social Networking, so their ranks there compare directly.
| App | Category | Paid rank here | Best in any country | Countries |
|---|---|---|---|---|
| Social Networking | #2Down 1 place | Canada#1 (number one) | 11 | |
| Social Networking | #1 (number one)Up 1 place | United States#1 (number one) | 1 | |
| Social Networking | #3No change | United Kingdom#1 (number one) | 11 | |
| Social Networking | #12Not enough history yet | United States#12 | 1 |
Versions
The current version from the App Store, and every update we've seen ship since we started tracking each app.
Threema. The Secure Messenger
- Current version
- 7.5.2
- 3 Nov 2026
- Released
- 28 Dec 2012
Updates since we started tracking it (8 Oct 2026)
- 7.5.1 → 7.5.23 Nov 2026
- 7.5 → 7.5.123 Oct 2026
- 7.4.1 → 7.519 Oct 2026
imo video calls and chat HD
- Current version
- 7.3.2
- 28 Jan 2026
- Released
- 2 Sep 2018
Updates since we started tracking it (8 Oct 2026)
No new version seen yet.
TeleGuard
- Current version
- 4.0.10
- 17 Apr 2026
- Released
- 19 Jan 2021
Updates since we started tracking it (8 Oct 2026)
No new version seen yet.
Calvin Crush
- Current version
- 0.0.38
- 28 Oct 2026
- Released
- 11 May 2022
Updates since we started tracking it (8 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.