Mosaic vs Dark18
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mosaic
Work together with friends to finish intricate mosaic puzzles. This app offers a collaborative way to enjoy puzzle-solving with a social twist.
- Collaborative puzzle completion
- Social interaction
- Mosaic creation
- Friend-based gameplay
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Collaborate with friends to complete mosaics.
Dark18
A private messenger offering secure end-to-end encrypted chats, HD voice and video calls, and community groups. Share updates through stories that disappear after 24 hours. Enjoy a clean, dark-themed interface designed for privacy and freedom.
- End-to-end encrypted messaging
- HD voice and video calls
- Private and public groups
- 24-hour disappearing stories
- Dark-themed interface
- Secure sync across devices
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Welcome to Dark – the ultimate private messenger with stories, calls, and community. Dark is your all-in-one communication platform for secure messaging, high-quality audio and video calls, and authentic sharing through stories and groups – all wrapped in a sleek, dark-themed design. Whether you’re chatting one-on-one, connecting with friends in a group, or expressing yourself through stories, Dark gives you the freedom to communicate your way – with privacy and control at the center. This app contains non-intrusive ads that support ongoing development while keeping the app free for all users. Built for Privacy and Freedom Dark puts end-to-end encryption front and center, ensuring your messages, media, and calls stay truly private. No one – not even Dark – can read your messages or listen to your calls. • Secure by default • Your data stays on your device • We do not sell your information Seamless Messaging Experience Enjoy fast, smooth, and beautiful messaging – whether you’re sending text, voice notes, photos, or videos. • One-on-one or group chats • Media sharing and reactions • Smart notifications • Secure sync across devices Voice and Video Calls Stay close, even when far apart. Dark offers HD-quality voice and video calls with full encryption. • Real-time video with smooth audio • Mute and switch cameras instantly • Reliable even on slow networks Groups That Feel Like Community Dark helps you start, grow, and manage private or public groups with ease. • Admin tools and permissions • Real-time announcements • Clean layout for focused conversations • Ideal for clubs, teams, and communities Share Life Through Stories Post quick updates, thoughts, photos, or short videos that last 24 hours – or longer, if you choose. • Stories with text, media, and reactions • Full control over who sees your updates • Authentic, private sharing Minimal Design, Maximum Function • Clean, dark theme for comfortable viewing • Easy navigation across all features • Lightweight and optimized for speed • Quick sign-up with email or Google Free to Use, Ad-Supported Dark is 100% free. To support development, we show limited, respectful ads – no pop-ups, no trackers. • No subscription required • Ads placed responsibly, without interrupting your flow Key Features Recap • Private, encrypted messaging • Secure voice and video calls • Groups with admin controls • Stories with privacy settings • Clean dark-mode interface • Fast and lightweight • Privacy-respecting ads Join the Movement Dark isn’t just a chat app – it’s a space for people who value privacy, connection, and freedom. Your data is yours. Your time is yours. TERMS OF USE (EULA): For auto-renewable subscriptions, please review Apple's Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ SUBSCRIPTION INFORMATION: - Subscription Title: Auto-renewable subscription - Subscription Length: Weekly/Monthly/Yearly (as selected by user) - Subscription Price: Dynamic pricing based on channel settings - Auto-renewal: Subscriptions automatically renew unless cancelled 24 hours before the end of the current period - Privacy Policy: https://www.termsfeed.com/live/20cde3e7-afa3-475c-b043-3bad3d0f8a0f - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Mosaic at 5.0 against Dark18's 3.8. Mosaic also leads on in-app purchases (none vs 6) and update cadence (every 2 days vs weekly). Dark18's advantage is ratings volume (181 vs 3). On price, ads, monetization model 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. Dark18 sells 6 in-app purchases, starting at $4.99 per 7 days. Mosaic asks for nothing beyond the download.
Mosaic holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Dark18 has 181 ratings behind it against 3, so its average is the more settled of the two.
Mosaic ships an update every 2 days, Dark18 weekly. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.
| Parameter | Mosaic | Dark18 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.8 (181 ratings) |
| Positive reviews | — | 41.2% of reviews |
| Number of ratings | 3 | 181 — better |
| Update frequency | Every 2 days — better | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 43 MB | 130 MB |
| Age rating | 4+ | +17 |
| Developer | Clay Hindman | Ana Lucila Gomez Navarro |
Customer experience
Mosaic
Dark18
In-app purchases
Mosaic
No in-app purchases
Dark18
- Weekly Premium Access$4.997 Days
- Monthly Premium Access$8.991 Month
- Yearly Premium Access$90.991 Year
- Weekly Premium Access$5.99
- Monthly Premium Access$8.99
- Yearly Premium Access$99.99









