Pipe Calc vs Pipe Offset & Cut Length
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
Pipe Calc
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Pipe Calc is an offset calculator built for pipefitters, plumbers, and steamfitters. Simple offsets, rolling offsets, cut length with fitting takeouts, and slope - in feet, inches, and fractions, the way your tape reads. No ads. - Simple offsets with any fitting angle (45, 22.5, 60, custom) - Rolling offsets: true offset, travel, and roll angle - Cut length with takeout charts for standard fittings - Slope / grade calculations - Reference Data: offline ASME pipe schedules & weights, fitting takeouts, flanges, gaskets, valves, line blanks - Fraction-first input and results to 1/16" - Big, glove-friendly controls Made for plumbing, steamfitting, sprinkler fitting and welding layout work. PIPE CALC PRO Offset with 45° fittings, Takeout Charts, Reference Data and your five newest saved calculations are free. Pro unlocks rolling, parallel and compound offsets, cut length with butt-weld and threaded takeouts, slope, laterals, branch saddle and miter cut templates, the triangle solver, flange bolt-up torque, all fitting angles and your full calculation history. Choose a monthly or yearly subscription, or a one-time lifetime option. The three lifetime options unlock the same Pro features; only the support amount differs. Prices are shown in the app before you buy. Subscriptions are charged to your Apple ID and renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. If you bought Pro before, it stays unlocked: use Restore purchases. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://cleverlywittyapps.notion.site/Privacy-Policy-398c2350884981939ed5fda1e5335369 Support: cleverlywittyapps@gmail.com
Pipe Offset & Cut Length
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Rolling offsets, solved before you cut. Pick the fitting and the size, type what you measured, and you get the cut length with the takeoff (Z in the standards) already subtracted from both ends. Mark the pipe and cut it. â If it will not go together, you hear it first A positive number does not mean it can be assembled. When the socket depths would overlap, the app finds it before you cut and shows what does fit â a fitting with a smaller angle, or one size down. â Offsets that move in two directions For a rolling offset, the app separates true offset, run, travel (center to center) and the roll angle. It works at 22.5° and 11.25° as well as 45°, and when the run you have is fixed, it can solve for the angle instead. â Every number carries its source Welded fittings use the bend radius R = 38.1 x nominal size (inch) with ASME B16.9 for the 45° center-to-end; PVC DWV uses the published fitting dimensions. Japanese standards (JIS K 6739 / K 6743 / K 6777, JIS B 2301) are there when you switch regions. Tap the info button next to the answer to read where a number came from. â Elbows that aren't built in: measure and add them Measure an elbow once and register it, and every calculation after that uses its actual dimensions. Thread engagement can be adjusted per size, one thread at a time. â Keep it per job, hand it over on paper Add an answer to a job and it becomes a table: piece number, cut length, fitting, roll angle. Export it as a PDF or CSV. Register a fitting and the numbers on the paper are recomputed too. â Works with no connection Everything is computed on the device. Job records stay on this device only â they are not stored in iCloud, so they cannot move to a new phone. What leaves the device is your support messages, plus anonymous usage statistics and crash diagnostics (Firebase Analytics / Crashlytics). â About pricing Cut length for a straight run between two fittings, the 45° offset in one plane, the 78 bundled fittings and the welded formula are free, always. Rolling offsets, 22.5° and 11.25°, solving for the angle, your own measured fittings and thread engagement, and job cut lists (PDF/CSV) are Pro. There is a one-time purchase, or monthly and yearly plans. â Units and standards Switch between inch (ASME, North America) and mm (JIS, Japan). In North America the fittings become ASME B16.9 (welded) and PVC DWV, and the 45° center-to-end is read from the published table. What the app shows is a guide for installation. The final call belongs to the job's own standards and a licensed fitter. The app does not reproduce standards documents or manufacturer catalogues â it cites the number and name of the standard, the maker and the revision, and computes dimensions from published values and formulas. Monthly and yearly plans renew automatically. You can cancel in Settings > your name > Subscriptions on your iPhone. The one-time purchase does not renew. Terms of Use: https://rainbowtree.work/app/terms Privacy Policy: https://rainbowtree.work/privacy/haikan-kirisunpo.html
Screenshots
Verdict
The clearest difference is update cadence: Pipe Calc at every 5 days against Pipe Offset & Cut Length's every 3 weeks. Pipe Calc also leads on device support (3 vs 1) and 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. Pipe Calc sells 5 in-app purchases, starting at $2.99 per month and Pipe Offset & Cut Length sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Pipe Calc ships an update every 5 days, Pipe Offset & Cut Length every 3 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | Pipe Calc | Pipe Offset & Cut Length |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days â better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod â better | iPhone |
| Requires iOS | 15.0 â better | 17.0 |
| Further details â not scored | ||
| Size | 29 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Gun woo Kim | RAINBOW TREE LLC |
In-app purchases
Pipe Calc
- Pro Monthly$2.991 Month
- Pro Yearly$24.991 Year
- Lifetime Pro ¡ Supporter I$29.99
- Lifetime Pro ¡ Supporter II$39.99
- Lifetime Pro ¡ Supporter III$59.99
Pipe Offset & Cut Length
- Pipe Offset Pro (Monthly)$2.991 Month
- Pipe Offset Pro (Yearly)$14.991 Year
- Pipe Offset Pro (One-time)$29.99
Questions
Is Pipe Calc free?
Is Pipe Offset & Cut Length free?
Do Pipe Calc or Pipe Offset & Cut Length have ads?
Which is updated more often, Pipe Calc or Pipe Offset & Cut Length?
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