Dive4Diadema vs Lauf Max
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Dive4Diadema
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A mass extinction has been taking place. The citizen science project Dive4Diadema is searching for the last of the diadem sea urchins in the Mediterranean and Red Sea. With your help we want to investigate the disappearance of the sea urchin Diadema setosum and document its presence or absence in the Mediterranean and Red Sea. Join us and be part of the citizen science project Dive4Diadema!
Lauf Max
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Turn your iPhone or iPad into an ultra-bright LED marquee. Lauf Max lets you craft bold, readable messages that popβperfect for clubs, events, streams, shops, or just having fun. With HDR/EDR boost (on supported devices), text shines with punchy highlights while staying crisp at any size. Why youβll love it - Double marquee: Run two LED lines at once and target edits to Top / Bottom / Both. - Per-line control: Separate speed and Rainbow-speed for each line. - Instant results: Type, pick a font, tap a colorβdone. - Smart input: Quick target picker sits above the keyboard for fast switching. - HDR/EDR boost: Extra-vivid highlights on supported hardware. - Rainbow mode: Animated color waves with independent speed & period. - Editor & Player: Portrait gives you full controls; landscape is a clean, fullscreen display. - Band/Wide mode: Toggle a wider canvas for a bigger marquee. - Fine control: Adjust rows, dot size, brightness, and scroll speed to fit any need. - Fonts & presets: Choose from multiple fonts and a big library of ready-to-use phrases (EN/DE + classics). - Color, per line: Assign colors to top, bottom, or both with a quick action sheet. - Auto-restore: Your text, font, color, and settings reliably return on launch. Made for real-world use - Readable across the room thanks to multi-row layouts and tuned spacing. - Smooth, stutter-free scrolling powered by Metal. - One-handed editing, instant preview, and quick preset switching. - Power-savvy: The second marquee pauses automatically when hidden. - Reset button for a fresh start. Perfect for: Events β’ Shops & cafΓ©s β’ DJ booths β’ Streams β’ Meetups β’ Classroom fun β’ Personal notes & shout-outs Privacy Lauf Max works entirely on-device. No accounts. No tracking. No ads.
Screenshots
Verdict
The clearest difference is update cadence: Dive4Diadema at every 3 days against Lauf Max's fortnightly. Dive4Diadema also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Dive4Diadema ships an update every 3 days, Lauf Max fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | Dive4Diadema | Lauf Max |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 29 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Code for Nature | Philippe Zay |
In-app purchases
Dive4Diadema
No in-app purchases
Lauf Max
No in-app purchases
Questions
Is Dive4Diadema free?
Is Lauf Max free?
Do Dive4Diadema or Lauf Max have ads?
Which is updated more often, Dive4Diadema or Lauf Max?
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