CalcTriangle vs Rooms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalcTriangle
This app calculates all unknown sides, angles, area, and perimeter of a right triangle. It supports both imperial and metric units, with precise input options for fractions and measurements.
- Calculates sides, angles, area, and perimeter
- Supports imperial (feet, inches, fractions) and metric units
- Precise fraction input
- Save and load triangle data
- Simple interface for job sites
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CalcTriangle is an easy-to-use right triangle calculator built for carpenters, builders, and DIYers. Enter any two sides, or one side and one angle, then tap Calc — CalcTriangle solves the rest and shows all sides, angles, area, and perimeter. Features: • Supports feet, inches, and fractions (down to 1/16") — perfect for construction • Metric mode with centimeters, millimeters, and meters • Tap a field on the triangle to select it, then type your measurement • Foot/Inch buttons with a fraction picker wheel for precise imperial entry • Mode button cycles through display units • Save and load triangles for quick reference on the job site • Clean, simple interface designed for big fingers and bright sunlight Completely rewritten in Swift for iOS 18. Fast, modern, and reliable.
Rooms
Design and visualize your ideal living spaces with an intuitive room layout tool. Easily input room and furniture dimensions, then drag, rotate, and resize elements with precision. Perfect for planning moves, renovations, or simply dreaming up your perfect home.
- Create rooms of any shape
- Drag, rotate, and resize furniture
- Precise arrangement with Control Pad
- Organize layouts in folders
- Share and print room designs
- Syncs across iOS devices via iCloud
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Plan your perfect space before you move a single piece of furniture. Moving? Redecorating? Buying new furniture? Stop guessing if it will fit. With Rooms, visualize your space in minutes—drag, arrange, and perfect your layout before lifting anything heavy. WHY PEOPLE LOVE ROOMS • See if that new sofa actually fits before you buy it • Plan entire room makeovers without the backache • Share layouts with family, roommates, or movers • Make confident decisions about new homes or apartments POWERFUL YET SIMPLE Just enter your room dimensions, add your furniture, and start arranging. Our intuitive controls make it feel natural, while precision tools let you get measurements perfect down to the inch. EVERYTHING YOU NEED • Create any room shape (L-shape, T-shape, custom layouts) • Measure in feet/inches or meters • Lock items in place, connect furniture together • Organize unlimited rooms in folders • Print and share your designs • Syncs across all your devices via iCloud PERFECT FOR Homeowners, renters, movers, furniture shoppers, real estate agents, or anyone planning a space and tired of second-guessing if things will fit. Terms of Use - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Easy tutorials included. Outstanding customer support at support@roomlayouts.app
Screenshots
Verdict
The clearest difference is price: Rooms at Free against CalcTriangle's $0.99. Rooms also leads on update cadence (fortnightly vs every 8 months) and review sentiment (66% vs 50%). CalcTriangle's advantage is in-app purchases (none vs 4). On ads 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
Rooms is free to download; CalcTriangle costs $0.99 up front. Rooms sells 4 in-app purchases, starting at $1.99 per month. CalcTriangle asks for nothing beyond the download.
CalcTriangle ships an update every 8 months, Rooms fortnightly. Both last shipped on November 1, 2026.
| Parameter | CalcTriangle | Rooms |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 3.9 (534 ratings) — better |
| Positive reviews | 50.0% of reviews | 66.2% of reviews — better |
| Number of ratings | — | 534 — better |
| Update frequency | Every 8 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Philip Sacchitella | Elijah Rappaport |
Customer experience
CalcTriangle
Rooms
Bugs and requests
CalcTriangle
Not enough reviews yet to summarise bugs or requests.
Rooms
Reported bugs
4 issues- Rooms disappearing or getting corrupted after updates
- Difficulty moving or resizing objects accurately
- Walls not connecting properly or disappearing
- App crashing when trying to perform certain actions
Requested features
5 requests- More furniture and object options
- Ability to save multiple room designs
- Improved wall editing and placement tools
- Option to use custom measurements (e.g., meters)
- Ability to add notes or annotations to room designs
In-app purchases
CalcTriangle
No in-app purchases
Rooms
- Monthly7 Days trial$1.991 Month
- Annual7 Days trial$14.991 Year
- Lifetime for Rooms Pro UsersFree
- Lifetime$34.99
