Comparison

Signal vs SolMo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Signal

This messaging app prioritizes your privacy with strong end-to-end encryption for all communications. It offers free text, voice, and video messaging, including group chats and disappearing stories, all without collecting your data.

Highlights
  • End-to-end encrypted messaging
  • Free voice and video calls
  • Group chats up to 1000 people
  • Disappearing Stories
  • File sharing
  • Admin controls for groups
Features
Read full description

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. • Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees. • Call your friends with crystal-clear encrypted voice and video calls. Group calls supported for up to 50 people. • Stay connected with group chats up to 1,000 people. Control who can post and manage group members with admin permission settings. • Share image, text, and video Stories that disappear after 24 hours. Privacy settings keep you in charge of exactly who can see each Story. • Signal is built for your privacy. We know nothing about you or who you’re talking to. Our open source Signal Protocol means that we can’t read your messages or listen to your calls. Neither can anyone else. No back doors, no data collection, no compromises. • Signal is independent and not for profit; a different kind of tech from a different kind of organization. As a 501c3 nonprofit we are supported by your donations, not by advertisers or investors. • For support, questions, or more information please visit https://support.signal.org/ To check out our source code, visit https://github.com/signalapp Follow us on Twitter @signalapp and Instagram @signal_app

About

SolMo

This app highlights one random user in your city each day for 24 hours, making them visible to everyone nearby. There's no feed, followers, or posting, just a temporary spotlight on a single individual.

Highlights
  • Daily featured user spotlight
  • Local community visibility
  • Random selection process
  • No follower system
  • No content feed
  • No posting required
Features
Read full description

SolMo is the daily social spotlight app: every day, one random person becomes the only featured profile in the SolMo pool — visible to everyone for 24 hours, then gone. No feed. No followers. No posting. Just one person, one day, seen by the whole SolMo community. Entering is always free, and nothing you can pay for ever changes your odds — selection is a purely random, equal-chance process for everyone eligible.

Screenshots

Signal4 screens
SolMo4 screens

Verdict

The call

The clearest difference is in-app purchases: SolMo at none against Signal's 1. SolMo also leads on update cadence (daily vs weekly) and rating (5.0 vs 4.7). Signal's advantage is ratings volume (1.1M vs 1) and chart position (#8 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Signal sells 1 in-app purchase, starting at $1.99 per month. SolMo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SolMo holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Signal has 1.1M ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Signal ships an update weekly, SolMo daily. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 5 level
Signal versus SolMo: the parameters behind the verdict, then further details
ParameterSignalSolMo
PriceFreeFree
Rating4.7 (1.1M ratings)5.0 (1 ratings) — better
Positive reviews67.7% of reviews—
Number of ratings1.1M — better1
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#8 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size214 MB12 MB
Age rating12+17+
DeveloperSignal Messenger, LLCSolMo LLC

Customer experience

Signal

All ratings1,102,302 ratings
Positive93.4%
Neutral3.1%
Negative3.5%
Written reviews3,547 reviews
Positive67.7%
Neutral8.0%
Negative24.4%

SolMo

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Signal

Reported bugs

5 issues
  • Problem retrieving data, resulting in lost message history
  • Keyboard covering the current conversation
  • Inconsistent behavior when attaching photos/videos
  • Scrolling issues when reading through messages
  • Inability to recover message history after device change

Requested features

10 requests
  • Add filters and customization options
  • Allow adding music to stories
  • Implement a sticker store
  • Add ability to pin messages in group chats
  • Allow new members to view previous group messages
Show 5 more
  • Make group background changes visible to all
  • Implement a backup/restore feature
  • Add option to move sent messages to the left side
  • Bring back pause and skip functions for longer audio messages
  • Allow batch deletion of group messages

SolMo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Signal

Subscriptions1
  • Signal Secure Backups$1.991 Month
None

SolMo

No in-app purchases

Questions

Is Signal free?
Signal is free to download, with in-app purchases available.
Is SolMo free?
SolMo is free to download, with no in-app purchases.
Which has better reviews, Signal or SolMo?
SolMo is rated higher. Signal averages 4.7 out of 5 from 1.1M ratings, while SolMo averages 5.0 from 1 ratings.
Do Signal or SolMo have ads?
Neither Signal nor SolMo shows ads.
Which is updated more often, Signal or SolMo?
Signal ships an update weekly, and SolMo daily. Most recently, Signal was updated on October 26, 2026 and SolMo on October 9, 2026.

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