CrowdComms vs Mentamic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CrowdComms
Access all your event information and interactive tools in one place. Organize your schedule, network with attendees, participate in live polls and Q&A, and share comments and pictures.
- Organize event schedule
- Networking and contact list
- Live polls and Q&A
- Social sharing of comments and pictures
- Access multiple event apps
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Use the CrowdComms Container app to access all of your event apps and keep your events information and interactive tools at your fingertips, all in one place: - Organise your events schedule - Get networking and grow your contacts list with one-to-one messaging - Be interactive with live polls and Q&A. - Start socialising and post your comments and pictures, and see what other delegates are posting Just enter your unique event code to access your events App. Visit crowdcomms.com to find out how CrowdComms can help you design a beautiful event app in minutes with our easy to use software. Our simple four step process ensures your app delivers engaged attendees and reduces costs.
Mentamic
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Mentamic is a strategic math and number game where you build valid equations on a 9×9 board using numbers, operators, equals signs, and parentheses. What sets Mentamic apart from many other math apps is that you do not just compete against yourself. You can challenge friends, invite new players with a link, face random opponents, and improve your rating. In the app, you can: play solo and 2-player games invite friends via SMS or email find and add other players chat with your opponent choose thinking time per move from 10 minutes to 3 days track ELO rating and solo highscores use +, -, ×, ÷, powers, and nth roots continue ongoing games later remove ads with Premium Every move is about strategy, mental arithmetic, and timing. Build expressions that intersect, use parentheses wisely, and maximize your score on the board. Mentamic is for anyone who enjoys brain training, number games, logic games, and competition. Whether you want to practice on your own or play against others, you get a math game with depth, social interaction, and a competitive edge. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CrowdComms at none against Mentamic's 1. CrowdComms also leads on ads (none vs shown). Mentamic's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence 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. Mentamic sells 1 in-app purchase, starting at $7.99 per year. CrowdComms asks for nothing beyond the download.
CrowdComms ships an update weekly, Mentamic every 10 days. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.
| Parameter | CrowdComms | Mentamic |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (9 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Weekly — better | Every 10 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 49 MB | 52 MB |
| Age rating | 4+ | 12+ |
| Developer | GalaBid Pty Ltd | Lars Tofte |
In-app purchases
CrowdComms
No in-app purchases
Mentamic
- Mental Arithmetic Supporter, annual$7.991 Year









