# CHST & OHST Exam Prep — Practice CHST & OHST Questions

> Practice CHST & OHST Questions (iPhone/iPad app by Mahmut YUNCU.)

- Source: https://appshunter.io/ios/app/chst-and-ohst-exam-prep/id6796826899 (this page in markdown: same URL + `.md`)
- Developer: [Mahmut YUNCU](https://appshunter.io/developer/1876340997)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 17.0 · 22 MB
- Languages: American English, Turkish
- Released: 2026-08-17
- Data updated: 2026-09-11
- User reviews in markdown: https://appshunter.io/ios/app/chst-and-ohst-exam-prep/id6796826899/reviews.md

## What is CHST & OHST Exam Prep?

Prepare for the Construction Health and Safety Technician (CHST®) and Occupational Hygiene and Safety Technician (OHST®) exams with a focused practice app for safety professionals. CHST & OHST Prep combines practice exams, topic drills, flashcards, teaching explanations, and progress insights so you can turn missed questions into a smarter study plan.

Study your way:

• Take timed or untimed practice exams
• Practice by subject, topic, or mixed readiness
• Review answers with teaching explanations
• Focus on weak areas and revisit missed questions
• Save bookmarks and personal notes
• Use flashcards for quick daily review
• Set an exam date and follow a personalized study plan
• Track accuracy, topic coverage, and progress
• Study core content offline after installation
• Use the built-in calculator during math-focused practice

Review key safety areas including construction health and safety, occupational hygiene and safety, safety program management, worksite controls, worker protection, exposure and equipment controls, training, communication, recordkeeping, and professional practice. The catalog also includes broader safety foundations for additional review.

Optional PRO access removes ads and unlocks expanded practice, answer reviews, readiness insights, the full study plan, smart repetition, bookmarks, and notes. Available features and purchase terms are shown in the app.

CHST & OHST Prep is an independent, unofficial study tool. It is not affiliated with or endorsed by BCSP, OSHA, NIOSH, ISO, or any other certification or standards organization. It does not contain actual certification exam questions and does not guarantee exam results. Confirm current eligibility, blueprints, standards, and examination details with official sources.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| CHST & OHST Exam Prep Lifetime PRO | $6.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-08-22

What’s New
- Save questions for free during practice and exams—no paywall interruptions.
- Improved dark mode text contrast and readability.
- Removed banner ads for a cleaner study experience.
- Light mode is now the default, while System and Dark modes remain available.
- Improved the saved-question review experience.

### 1.0 — 2026-08-17

No release notes.

## More apps by Mahmut YUNCU

- [Spy Game - Hoodooo](https://appshunter.io/ios/app/spy-game-hoodooo/id6767135084)
- [Banka Sınavları: BankaKazan](https://appshunter.io/ios/app/banka-snavlar-bankakazan/id6792518656)

All apps by Mahmut YUNCU: https://appshunter.io/developer/1876340997

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-11.*