DropTubeBuilder: Fuel Tanks Apple

DropTubeBuilder: Fuel Tanks

Drop tube cuts & gauge charts

Overview

Rating:
5.00 +1
(5)
Version:
1.2.3
Last updated: 2026-08-22
Ranking
#440,760 50,601
Overall

Features & Capabilities

Stop guessing drop tube cuts. Exact lengths for OPW, Franklin & EMCO, EPD 3 year inspection PASS/FAIL, tank charts, plus Gilbarco, Wayne & Veeder Root codes. Offline.

DropTubeBuilder is the offline field tool for fuel system technicians who cut overfill drop tubes, build tank charts, and work alarms on site. Everything works with no signal, because the pit does not have any.

DROP TUBE CUT MATH Enter the measurements and get the cut length that puts the overfill valve at the 95 percent regulatory fill level. Supports Franklin Defender, EMCO, and OPW ISO valves, with the seat to bottom, tank height and riser measurements each handled properly. Upper cut, lower cut and total length come back with the shutoff height so you can check the result before you cut anything.

TANK CHART BUILDER Build a volume chart in eighth inch increments for any tank, and export it as a PDF you can leave on site or file.

ERROR CODES Nearly 600 codes covering Gilbarco Encore 300, 500S and 700S, Wayne Ovation, Veeder-Root TLS-300, TLS-350, TLS-450, TLS-450 PLUS and TLS4, and Franklin INCON EVO 550 and 5000.

Tap any code and you get what it actually means, then an ordered list of what to check, most likely cause first, so you can work the alarm instead of just reading it back. Line test failures start with the programming that causes most false failures. Console faults tell you when the alarm is an audit entry rather than a fault. Where an alarm carries a compliance consequence, that is stated after the repair steps, not instead of them.

Searchable, fully offline, and written to be verified against the manufacturer service manual rather than to replace it.

PUMP CONTROLLERS Fault codes, status codes, DIP switch settings and calibration notes for FE Petro MagVFC and Guardian SPGC 220 controllers.

EPD THREE YEAR INSPECTION Work the inspection criterion by criterion and get a clear pass or fail, then export a signed PDF record. The footer reminds you to keep the record copy for three years, because that is the part people forget.

MEASUREMENT HISTORY Every calculation is saved with its site name, so last year's job is there when you go back. Re export any past calculation as a PDF.

BUILT FOR THE FIELD Everything ships inside the app. No account, no login, no server, no advertising, and nothing collected about you or your sites. It works in a tank pit with no bars.

Available in English, Spanish, French, German, Hindi and Chinese.

FREE TRIAL, THEN A SUBSCRIPTION Download and start a free trial with full access. After the trial, a subscription keeps the calculators, the code libraries, the inspection and the exports available.

Terms of Use: https://thrasherapps.com/droptubebuilder/terms.html Privacy Policy: https://thrasherapps.com/droptubebuilder/privacy.html Support: https://thrasherapps.com/droptubebuilder/support.html

User Growth & Download Statistics

App
By:
Chris Thrasher
Rating:
5.00
(5)
1 new ratings
Version:
1.2.3 Last updated: 2026-08-22
Version code:
890153301
Creation date:
2025-02-03
Compatible devices:
Size:
1.63MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-08-29
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Chris Thrasher
Apple Apps Store
https://apps.apple.com/us/app/droptubebuilder-fuel-tanks/id6740597739
Website:
https://thrasherapps.com/droptubebuilder/

User Reviews

Can be used local on device. Has amazing tools for fuel work.
by CT*****, 2026-07-05
View all user reviews ›

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