RoomPipe vs FitterCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RoomPipe
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The Room Pipe APP uses Apple's latest AI-based RoomPlan technology framework, combined with AR augmented reality technology. By scanning the Room, you can obtain the 3D model of the house structure. At the same time, you can use AR WYSIWYG to efficiently draw the relative position of the house's hidden pipelines and output the 3D model of the room integrated with the pipelines. Features: 1. Customize pipeline attributes, support users to set pipeline types according to water, electricity, gas line , etc., pipeline color, size can also be freely set; 2. Automatically assist in anchoring floors, ceilings, walls and wall intersections, even if there are furniture obstruction, it can also help users anchor floors, ceilings and walls in real time, and quickly draw pipelines on walls, floors and ceilings. 3. The length and nodes of pipeline drawing can be freely adjusted. Before a pipeline is saved and confirmed, it supports undo operation and retreats to last node on the pipeline; 4. During scanning, a 3D model preview thumbnail is generated in real time at the bottom of the screen. It also supports previewing the house structure + pipeline 3D model large picture preview mode. Users can zoom in and pan to view the details of the house and pipelines; 5. Supports the export, saving and sharing of house + pipeline 3D model images. This function requires users to unlock VIP; Note: 1. The APP does not work on devices with no LiDAR sensors; 2. Possible challenges when scanning include open doors and big mirrors, higher-than-standard ceilings, and very dark surfaces; 3. A scanning session should not exceed five minutes. No surprise that the API consumes smartphone resources heavily. Long-time results on the smartphone: overheating and a drained battery; 4、if there are many rooms, do not scan and draw all the rooms at once. The scan can be disassembled into multiple independent rooms and output and save multiple room models; 4. Maximum recommended size is 30 ft. by 30 ft. or 9 m by 9m; 5. Lighting is important. Minimum level is 50 lux;Preliminary preparation of a room is recommended, e.g., use natural light during daytime scanning. Daylight significantly improves quality of output.
FitterCalc
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The pipe trades calculator that shows its work. Offsets, rolling offsets, cut lengths, takeouts, cutbacks, elbow cut marks, pipe data, and slope — computed correctly, displayed in feet-inch-fractions, and verified against published handbook values. Every answer can show the exact formula with your numbers in it. If you can check it, you can trust it. PAY ONCE. OWN IT FOREVER. No subscription. No account. No ads. Works with zero signal — in the basement, on the rack, in the hole. BUILT FOR THE FIELD - Feet-inch-fraction keypad made for gloved hands — big keys, big text - Live diagrams that redraw as you type - Fitting-angle presets: 5.625° to 90°, plus custom - Metric mode throughout (mm in, mm out) - Tap any result to switch ft-in / inches / mm THE MATH IS THE PRODUCT - Take-outs from published ASME B16.9 dimensions — including the small-size values the simple formula gets wrong - Pipe data from ASME B36.10M published weights - Welder's gap handled per joint, adjustable, zero allowed - "Show My Work" on every calculation — formula, your numbers, full-precision result, final fraction FREE FOREVER Simple offsets (known & unknown angle), slope & drop, and the feet-inch calculator with paperless tape — full versions, no limits. Prove the math on a real job before you pay a dime. FITTERCALC PRO — ONE PURCHASE Cut lengths with take-outs and gap, rolling offsets, rolling cut lengths, cutback & elbow cut marks, full pipe data tables, and saved jobs with shareable cut lists. Found an answer you can question? The Show My Work screen has a report link. It gets fixed.
Screenshots
Verdict
The clearest difference is device support: FitterCalc at 3 against RoomPipe's 1. FitterCalc also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. RoomPipe sells 1 one-off in-app purchase and FitterCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | RoomPipe | FitterCalc |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | 建云 董 | Jonathan Weick |
In-app purchases
RoomPipe
- Room Pipe$6.99
FitterCalc
- Unlock Pro$9.99









