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Signal - Private Messenger: What Users Actually Complain About

Signal Messenger, LLC · Social Networking · iOS · App Store 4.7★ · 1,103,262 ratings

297 reviews analyzed 94 negative (≤3★) 8 pain clusters updated Oct 18, 2026

Overview

Signal users primarily face privacy concerns and notification issues, with significant problems in message delivery and data management. The app's security reputation is undermined by privacy flaws, while technical issues with syncing and group functionality create frustration for regular users.

Top complaints

1. Privacy Concerns

cluster 1/8
13% of complaints●●●●● sev 5/512 reviews

Users report issues with phone number visibility, contact access, and privacy notifications that contradict the app's security claims.

“requires you to give out your phone number to everyone you talk to, does not allow specifying a different server”
“Such promising functionality and features BUT, alas, I only downloaded this app for security and privacy reasons - only”
“How can an app that prides itself on privacy be the most non-private app there is? Your phone number is shown to anyone”

2. Notification Issues

cluster 2/8
11% of complaints●●●○○ sev 3/510 reviews

Users experience inconsistent notifications, including missed messages, duplicate alerts, and problems with message display.

“won't get a notification when someone messages you on Signal (occasionally it works but not often)”
“It seems that when messages exceed a certain length, the app cuts them off with the read more option expanding them.”
“Signal won't always signal that I have a call or text coming in, and it also doesn't always even show a red number”

3. Message Delivery and Syncing Problems

cluster 3/8
10% of complaints●●●●○ sev 4/59 reviews

Users report delays in message delivery, failures in syncing across devices, and inconsistent message status.

“Messages do not send, or send after hours, and in one epic case over a day later”
“For at least 4-5 years, Signal has purported to provide a way to sync your message history with a new device, but it con”
“messages don't always get to the person i'm talking to when I sent the message, vice versa, I won't receive messages eit”

4. Data Loss and Backup Issues

cluster 4/8
8% of complaints●●●●● sev 5/57 reviews

Users experience data loss during device transfers, updates, and lack of proper backup functionality.

“For the second time in the last few years, bugs in the new iOS device transfer flow have led to my old device wiping all”
“I would usually give this App five stars, because of its great functionality and security, but to get the attention of t”
“app treats user as new profile after update, wiping all data”

5. Group Management Limitations

cluster 5/8
6% of complaints●●●○○ sev 3/55 reviews

Users report difficulties with group administration, including limited controls and functionality bugs.

“administrator/creator of a group can select multiple people to remove from the group at once”
“admin can't delete inappropriate messages or dissolve groups”
“app doesn't let me see any groups I'm on and wouldn't let me create a group”

6. Registration and Contact Issues

cluster 6/8
5% of complaints●●●●○ sev 4/54 reviews

Users report problems with the registration process, contact management, and visibility concerns.

“registration requires an SMS authentication, which is just horrible given how easy it spoof a phone #”
“do everything they can to try to make you add them to have access to contacts”
“app wiped contacts from phone after setup”

7. Voice Message Problems

cluster 7/8
5% of complaints●●●○○ sev 3/54 reviews

Users experience issues with recording, playing, and loading voice messages, including sensitivity problems.

“After the last app update I have to hold my phone just right to listen or record messages. If I tilt my phone the slight”
“if something interrupts your message, for example, a low battery notice, you will lose the entire recording”
“some voice messages aren't loading properly”

8. Missing Features and Functionality

cluster 8/8
4% of complaints●●○○○ sev 2/53 reviews

Users desire additional features like multiple account support and improved video call capabilities.

“I would love to see support for multiple phone numbers/accounts in a single app.”
“ability to flip camera for landscape mode and resize video screens”
“no option to see who's online”

More Communication pain reports

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