Dimens vs Rollin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dimens
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DIMENS is a LiDAR-powered spatial scanning and documentation platform built for architects, interior designers, surveyors, and construction professionals. Scan interior spaces in minutes, generate floor plans automatically, extract accurate measurements, and export professional documentation directly from your iPhone. Whether you are creating an as-built survey, preparing a renovation project, documenting an existing building, or collecting site data, DIMENS helps you move from fieldwork to deliverables faster. Key Features • Fast LiDAR-based room scanning • Automatic floor plan generation • Accurate measurements and dimensions • DXF, PDF, OBJ, STL, and GLB export • Cloud-based project management • Team collaboration and project sharing • Structured spatial data for design workflows Reduce manual measurements, speed up documentation, and keep your projects organized from scan to delivery. DIMENS. Scan. Document. Deliver.
Rollin
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Stuck between everyday options? Rollin helps you make a quick decision and move on. Pick a mode, roll the dice, and see a clear answer. CHOOSE YOUR MODE • Duel: decide between 2 options. • Trio: settle a choice among 3 options. • The Crowd: run a tournament for 4–8 options. KEEP WHAT MATTERS Save a decision with its question and answer when you want to remember it. Turn a saved decision into a task in Doin, add a date if you like, and see your decision activity over time. From what to eat to what to do next, Rollin is a simple decision maker for small, everyday choices.
Screenshots
Verdict
The clearest difference is ads: Rollin at none against Dimens's shown. Dimens's advantage is update cadence (every 3 days vs every 2 weeks) and iOS requirement (17.0 vs 26.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Dimens ships an update every 3 days, Rollin every 2 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.
| Parameter | Dimens | Rollin |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 41 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Khora Design | BeforeSunset Inc. |
In-app purchases
Dimens
No in-app purchases
Rollin
No in-app purchases









