# Lineman's Reference vs CAST Practice Test 2026

The clearest difference is price: CAST Practice Test 2026 at Free against Lineman's Reference's $19.99. CAST Practice Test 2026 also leads on rating (4.8 vs 4.6) and review sentiment (75% vs 62%). Lineman's Reference's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

CAST Practice Test 2026 is free to download; Lineman's Reference costs $19.99 up front. CAST Practice Test 2026 sells 4 in-app purchases, starting at $6.99 per 7 days. Lineman's Reference asks for nothing beyond the download.

CAST Practice Test 2026 holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Lineman's Reference has 307 ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 62% of Lineman's Reference's written reviews are positive against 75% of CAST Practice Test 2026's.

Lineman's Reference ships an update every 4 weeks, CAST Practice Test 2026 every 3 months. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Lineman's Reference | CAST Practice Test 2026 |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [4.6 (307 ratings)](https://appshunter.io/ios/app/linemans-reference-xfmr-lab/id1583878194/reviews) | **[4.8 (40 ratings)](https://appshunter.io/ios/app/cast-practice-test-2026/id6473518996/reviews)** |
| Number of ratings | **307** | 40 |
| Positive reviews | 62.2% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#5** | — |
| Size | 65 MB | 91 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Apprentice LLC](https://appshunter.io/developer/1565687382) | [EASY PASS COMPANY LIMITED](https://appshunter.io/developer/1059077329) |

## What reviewers say

### Lineman's Reference

[App page](https://appshunter.io/ios/app/linemans-reference-xfmr-lab/id1583878194)

**Currently charting:** #5 Top Paid · Education, #148 Top Paid (US App Store)

This interactive simulator allows users to study and learn transformer connections. Test your wiring with various meters, and experience consequences of improper connections. Includes reference diagrams, informational material, and a quiz mode to test knowledge.

**Highlights:** Transformer connection simulation, Volt, ohm, and rotation meters, Abnormal voltage and fuse explosion simulation, Transformer nameplate and coil inspection, Quick reference diagrams, Informational reading material, Quiz and advanced quiz modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for learning
- 👍 Helpful for apprentices
- 👍 Useful practice tool
- 👍 Good concept
- 👍 Excellent labs and sandbox

**What reviewers complain about**

- 🐛 Too many bugs
- 🐛 App is clunky
- 🐛 Wiring issues
- 🐛 Incorrect diagrams
- 🐛 Incorrect quiz answers

**Reported bugs**

- Tutorial loop
- Lines not connecting
- Cannot wire up all banks
- WYE Delta is wrong
- Cannot bus secondary x2 to x2 bushing for delta secondaries

**Requested features**

- Ability to build own banks
- Add tap changer settings
- Add vector charts
- Add more labs with different scenarios
- Create your own bank option


### CAST Practice Test 2026

[App page](https://appshunter.io/ios/app/cast-practice-test-2026/id6473518996)

Prepare for the CAST test with comprehensive practice questions and mock exams. This app offers topic-based practice, instant feedback, and a personalized study plan to help you master the required knowledge and achieve certification. An AI study assistant provides real-time support and guidance.

**Highlights:** Topic-based practice questions, Versatile practice modes, Full mock tests, Instant feedback on answers, Personalized study plans, 24/7 AI study assistant

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CAST Subscription Weekly | $6.99 | per 7 days |
| CAST Subscription Monthly | $19.99 | per month |
| CAST Quarterly Subscription | $39.99 | per 3 months |
| CAST Subscription Yearly | $69.99 | per year |


## Frequently asked questions

### Is Lineman's Reference free?

Lineman's Reference costs $19.99, with no in-app purchases.

### Is CAST Practice Test 2026 free?

CAST Practice Test 2026 is free to download, with in-app purchases available.

### Which has better reviews, Lineman's Reference or CAST Practice Test 2026?

CAST Practice Test 2026 is rated higher. Lineman's Reference averages 4.6 out of 5 from 307 ratings, while CAST Practice Test 2026 averages 4.8 from 40 ratings.

### Do Lineman's Reference or CAST Practice Test 2026 have ads?

CAST Practice Test 2026 shows ads; Lineman's Reference does not.

### Which is updated more often, Lineman's Reference or CAST Practice Test 2026?

Lineman's Reference ships an update every 4 weeks, and CAST Practice Test 2026 every 3 months. Most recently, Lineman's Reference was updated on September 22, 2026 and CAST Practice Test 2026 on September 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*