Various Contact and Phone Tools
Call Confirm
2025-07-08
Have your phone asking you for confirmation before calling out (to prevent accidental calls)
Call Blocker
2025-07-08
Chose wisely. As e.g. Phandroid reveals, some of those apps are mainly after your data – and sell your phone number to even more spam callers.
- Truecaller: Phone Call Blocker (4.5@25,786,373) Ǥ 46
16
Wikipedia;
privacy warning 2015 EN | DE | 2018/2018;
hands off / Finger weg
- Calls Blacklist - Call Blocker (4.5@809,058) Ǥ 13
3
/ Calls Blacklist PRO - Blocker (4.5@46,377; ~EUR 3.50) Ǥ 15
1
LastUpdate: 2023-11-13 Test 2/2017; can block calls & SMS
- Call Blocker (4.5@266,278) 7
8
Test 1/2017
- Mr. Number: Spam Call Blocker (4.5@206,066) Ǥ 35
3
- Showcaller: Caller ID & Block (4.5@194,763) Ǥ 35
4
- Call Master (4.5@11) 15
LastUpdate: 2018-09-24
- Call & SMS Blocker - Blacklist (4.3@312,243) Ǥ 26
6
- Call Control. Call Blocker (4.1@112,659) Ǥ 31
6
- Caller ID, Phone Dialer, Block (4@199,785) Ǥ 30
4
- Sync.ME: Caller ID & Contacts (3.8@242,379) Ǥ 31
9
Privacy Warning (uploads your entire contact list to their servers)
- Call Blocker - Blacklist (3.8@161,965) Ǥ 31
11
- Whoscall - Caller ID & Block (3.7@794,892) Ǥ 42
18
- NoPhoneSpam (0@0) 8
LastUpdate: 2021-05-29 GitLab
- Spam Call Blocker (0@0) 7
Github; focused on Spain
- Yet Another Call Blocker (0@0) 10
LastUpdate: 2021-11-18 GitLab
- Silence (0@0) 5
LastUpdate: 2022-09-02 Github
- SpamBlocker (Call & SMS) (0@0) 21
Github
- Carrion (0@0) 3
GitLab; block spoofed calls
Call Recorder
2025-07-08
- Call Recorder (5@1) 12
LastUpdate: 2023-08-03 GitLab
- Automatic Call Recorder (4.8@12) Ǥ 16
5
LastUpdate: 2019-08-12
- Showcaller: Caller ID & Block (4.5@194,763) Ǥ 35
4
- Automatic Call Recorder (4.2@70) Ǥ 24
2
- Call Recorder - Cube ACR (4.1@864,636) Ǥ 27
7
phone calls and VoIP conversations
- Call Recorder - callX (4.1@444,872) Ǥ 28
8
LastUpdate: 2022-11-03 / Automatic Call Recorder Pro (4.2@429,610) Ǥ 28
8
LastUpdate: 2022-11-02
- Call Recorder (3.9@442,919) 15
3
- Total Recall (3.6@46,285) Ǥ 20
3
LastUpdate: 2020-10-12
- Note Call Recorder, Call Recording (3.5@11,314) Ǥ 18
3
LastUpdate: 2021-02-20
- Call Recorder (3.4@283,582) Ǥ 15
26
- Call Recorder Automatic (3.3@502,944) Ǥ 22
9
- Auto call recorder (3@175,623) 15
2
LastUpdate: 2019-07-24
- BCR-GUI (0@0) 7
Github; companion app for BCR
- Call Recording (0@0)
LastUpdate: 2023-03-24 enable call recording for Google Dialer
- XCallRecordingSettings (0@0) 2
LastUpdate: 2023-01-08 Github; CM 11-13, LOS 14-18
Call anonymously
2025-07-08
If you don't want to use an app for that, simply prefix the called number with the disabling code (usually *31#
, but might vary with country and provider).
Call prefixer
2025-07-11
- Contacts Prefix Fixer (5@489) Ǥ 7
2
- Edit Prefix Number (5@142) 4
4
LastUpdate: 2017-05-08
- IDD Prefix Dialer (IDD/ISD) (4.1@21) 6
2
- Company Prefix (3.9@2,489) Ǥ 10
5
Call Notes
2025-07-03
- Call Notes Pro (4.4@2,213) Ǥ 13
1
LastUpdate: 2022-03-11
- Notes - Notepad and to do list (4.2@39,641) Ǥ 25
12
- Call Writer (4.1@1,147) 14
3
LastUpdate: 2018-03-10
- Call Reminder (3.6@136) Ǥ 18
15
LastUpdate: 2021-06-23
- Productive.ai Call Assistant (3.5@6) Ǥ 23
2
record, transcribe and organize your phone calls
- Free CallerID with Notebook (3.3@1,438) Ǥ 16
11
LastUpdate: 2021-06-23
- Call Reminder (3.3@133) Ǥ 22
7
Fake Caller
2025-06-29
Need some rescue from a boring meeting, horrible date, or to end your visit at great-aunt Marble? An incoming, ultra-urgent call might help you out!
Incoming Call Notifications
2025-07-04
- Speak Who is Calling (4.3@47,021) Ǥ 11
1
- Shouter - Notification Reader (4.3@39,169) Ǥ 9
1
LastUpdate: 2023-07-10 Announces notifications via TTS
- Caller Name Announcer (4@28,830) Ǥ 23
9
LastUpdate: 2022-09-06
- Schlikk Calls (0@0) 3
LastUpdate: 2021-05-29 GitLab; increase volume (optionally for selected contacts) when the phone rings
Call Logs
2025-07-01
Various caller tools
2025-07-08
- Ril Control (4.4@16) 0
LastUpdate: 2018-09-11 GitLab; stop or start the ril-daemon (requires root)
- Rogervoice Phone Subtitles (4.1@1,954) Ǥ 25
5
transcribe your calls
- Raise To Answer (3.9@869) 6
Github; simply hold your phone to your ear to answer an incoming call
- Auto Redial | call timer (3@12,663) Ǥ 18
4
/ Auto Redial | call timer Pro (3.2@129; ~EUR 2.50) 13
2
Intro 11/2017
- Advanced Call Settings (3@1,205) Ǥ 6
2
LastUpdate: 2018-04-15
- Call Forwarding Status Widget (0@0) 8
Github
- Vibe (0@0) 1
LastUpdate: 2022-07-12 Github; vibrate when your call is answered
- Coma Phone (0@0) 4
LastUpdate: 2021-03-19 Github; auto-answer calls in speaker-mode (even when in coma)
Further Readings:
- The 5 Best Truecaller Alternatives for Caller ID and Spam Blocking (8/2021)
- Best Android Call Blocker Apps to Block Unwanted Calls (10/2020 - 12/2022)
- 3 Ways to Block Your Number and Hide Your Caller ID on iPhone or Android (5/2020 - 6/2023)
- Here’s how spam blocking apps like Truecaller actually work (8/2017)
- The Secret Life of SIM Cards (DEFCon 21, 2013), also see SimHacks.io
2025-07-11