Exam Prep Apps

Study smarter.
Pass the exam.

Professional certification prep apps built on real code, real exams, and real trade knowledge — fully offline, no subscription.

Applications

Available on Android

Each app is purpose-built for a specific certification exam with practice questions, timed exams, and reference tools.

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TX JM Prep
Android
● Live on Google Play

Complete prep for the Texas Journeyman Electrician TDLR exam. Covers NEC 2023 knowledge and calculations with 150+ questions, a built-in electrical calculator, formula reference, and quick NEC tables.

NEC 2023 150+ Questions Calculations Open Book TDLR / PSI
Get on Google Play →
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TX FAL Prep
Android
● In Review — Google Play

Full prep for the Texas Fire Alarm License TFM11 and TFM12 exams. 305+ questions covering NFPA 72 (2013), NEC Article 760, Texas statutes, and state licensing rules.

NFPA 72 (2013) 305+ Questions TFM11 + TFM12 Closed Book TDI / PSI
Available Soon
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TX Master Electrician Prep
Android
● Coming Soon

Advanced prep for the Texas Master Electrician TDLR exam. Covers NEC 2023 advanced topics, load calculations, Texas electrical law, and special occupancies with 295+ questions.

NEC 2023 295+ Questions Advanced Topics Open Book TDLR / PSI
Coming Soon
Why AllCodeDev

Built for the trade

No filler. No subscription. Just the content that actually shows up on the exam.

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Fully Offline
Everything is bundled in the app. No internet required — study in the field, on the job site, or anywhere.
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Exam-Accurate
Questions written directly from the code editions and topic weights used on each specific state exam.
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Randomized Every Time
Questions and answer order shuffle on every attempt so you learn the material, not the pattern.
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Built-In Tools
Reference formulas, NEC tables, and calculators available without leaving the app.
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One-Time Purchase
Pay once, keep it forever. No monthly fees, no locked content, no upsells.
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Study & Keep
The reference material stays useful on the job long after you pass the exam.