CSS Mobile vs Crowd Syncer
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CSS Mobile
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CSS Mobile is the premier case management system for probation and pretrial officers. CSS Mobile provides an officer easy access to client information while in the field. Easy-to-use navigation allows the officer to quickly schedule appointments, add chronos, and update client details without having to return to the office. Features Include: * Case lookup * View officer calendar * View and schedule client appointments * View and edit client data * View, create, and search chronos * View community service hours and fee balances
Crowd Syncer
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Rooms you can be in, without ever making an account. A room has two doors. You are in it because you are standing there, or because somebody sent you a link. Same room either way. There is nothing to sign up for. No email, no phone number, no password, no profile. You open the app and you are in. WHAT IT IS FOR Six people in a cafe who do not want to swap numbers. A group on a walk. A family room for somebody who is not going to install anything complicated. A table at a conference. A shift at work. Anywhere a conversation needs to happen between people who are together, and does not need to outlive it. HOW YOU GET IN By being there. Turn Nearby on and the app finds the other phones around you, using Bluetooth rather than your location. Nobody is on a map. By a link. Make a room, send the link through whatever you already use, and whoever opens it is in. You can put a four digit code on the link if you want one. We never see the code. WHAT IS IN IT Messages, photos, video, voice notes, files and a place on a map. Voice and video calls, one to one or with the whole room. Replies and threads, so a busy room stays readable. PRIVACY, PLAINLY Everything sent in a room is end to end encrypted. Only the people in the room can read it, which means we cannot read it, cannot hand it over, and cannot get it back for you if you lose your phone. We do not collect your data, because we never have it. There is no account to attach it to. Your rooms and their history live on your phone. Leave a room and it is gone from your device. MADE FOR THE PERSON YOU ARE SENDING IT TO Set a room up the way somebody needs it, right to left, larger text, and send the link. They arrive to it already set up, and can change anything afterwards. Free. No ads. No subscriptions.
Screenshots
Verdict
The clearest difference is update cadence: CSS Mobile at every 2 months against Crowd Syncer's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CSS Mobile ships an update every 2 months, Crowd Syncer every 6 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.
| Parameter | CSS Mobile | Crowd Syncer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 16.4 | 16.0 โ better |
| Further details โ not scored | ||
| Size | 46 MB | 20 MB |
| Age rating | 17+ | 4+ |
| Developer | Corrections Software Solutions | Amir Moradabadi |
In-app purchases
CSS Mobile
No in-app purchases
Crowd Syncer
No in-app purchases









