Signal vs Sync Planning
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- End-to-end encrypted messaging
- Free voice and video calls
- Group chats up to 1000 people
- Disappearing Stories
- File sharing
- Admin controls for groups
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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
Sync Planning
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Sync is a social media platform for creating and sharing schedules/lists between users in real time. Each schedule comes with its own unique code to allow sharing and posting on a blog, website or social media profiles. Sync is not just for travelling but for daily uses to share schedules for purposes like events, gym workouts, recipes and many other interests. GROUP TRAVEL PLANS Plan holidays with friends and build the itinerary together real time. Control how many participants can read and modify a schedule. Each modification will be updated on all participants phones thus enabling an easy planning environment. GYM SCHEDULES Create, post and share gym schedules with ease. Perfect for personal trainers creating schedules for clients or for anyone looking to share tips in bodybuilding, weight loss diary or even dietary plans. SEARCH FOR THINGS TO DO Search for things to do and see globally and add to your itinerary. Fully rated by other users with directions on how to get to your locations via maps. SEARCH FOR TRAVEL BUDDIES, GYM BUDDIES OR NEW FRIENDS Granular search system to find users who have been to a destination or want to go. Search by gender, sexuality, ethnicity or age range. This allows you to find users you would like to travel with yet feel safe and comfortable around. If you are not using the app for travelling you can also find users locally for friendship, conversation or even gym buddies by searching workout interests. CHAT Integrated chat system to allow users to communicate globally with users who have been to places, looking to go or general conversations on interests. Reach out to users and make a new friend globally.
Screenshots
Verdict
The clearest difference is in-app purchases: Sync Planning at none against Signal's 1. Sync Planning also leads on iOS requirement (12.2 vs 15.0). Signal's advantage is update cadence (weekly vs every 3 months) and chart position (#9 vs unranked). On price, ads and device support 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
Both are free to download. Signal sells 1 in-app purchase, starting at $1.99 per month. Sync Planning asks for nothing beyond the download.
Signal ships an update weekly, Sync Planning every 3 months. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.
| Parameter | Signal | Sync Planning |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.1M ratings) — better | — |
| Positive reviews | 67.7% of reviews | — |
| Number of ratings | 1.1M — better | — |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #9 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.2 — better |
| Further details — not scored | ||
| Size | 214 MB | 113 MB |
| Age rating | 12+ | 12+ |
| Developer | Signal Messenger, LLC | Daniel Buaku |
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
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- 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
Sync Planning
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Signal
- Signal Secure Backups$1.991 Month
Sync Planning
No in-app purchases








