# Lineman's Reference vs Contour Map Trainer 2026

The clearest difference is price: Contour Map Trainer 2026 at $0.29 against Lineman's Reference's $9.99. Contour Map Trainer 2026 also leads on update cadence (every 2 months vs every 3 months). Lineman's Reference's advantage is chart position (#41 vs unranked) and iOS requirement (12.1 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Lineman's Reference costs $9.99 and Contour Map Trainer 2026 $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

Lineman's Reference ships an update every 3 months, Contour Map Trainer 2026 every 2 months. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Lineman's Reference | Contour Map Trainer 2026 |
| --- | --- | --- |
| Price | $9.99 | **$0.29** |
| Rating | **[4.5 (68 ratings)](https://appshunter.io/ios/app/linemans-reference-urd/id6478995455/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Best chart rank | **#41** | — |
| Size | 193 MB | 7 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Digital Apprentice LLC](https://appshunter.io/developer/1565687382) | [Nanjing Yunxiaochuang Technology Co., Ltd](https://appshunter.io/developer/1454457703) |

## What reviewers say

### Lineman's Reference

[App page](https://appshunter.io/ios/app/linemans-reference-urd/id6478995455)

**Currently charting:** #41 Top Paid · Education (US App Store)

This app provides comprehensive training for linemen and apprentices on underground distribution systems. It covers essential skills like cable isolation, transformer replacement, and troubleshooting. Interactive labs and quizzes reinforce learning for various skill levels.

**Highlights:** Learn cable isolation, Hipot cable sections, Transformer isolation and replacement, Troubleshoot underground outages, Switch underground distribution loops, Interactive training labs, Troubleshooting quizzes

**In-app purchases:** none


### Contour Map Trainer 2026

[App page](https://appshunter.io/ios/app/contour-map-trainer-2026/id6780218438)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lineman's Reference free?

Lineman's Reference costs $9.99, with no in-app purchases.

### Is Contour Map Trainer 2026 free?

Contour Map Trainer 2026 costs $0.29, with no in-app purchases.

### Do Lineman's Reference or Contour Map Trainer 2026 have ads?

Neither Lineman's Reference nor Contour Map Trainer 2026 shows ads.

### Which is updated more often, Lineman's Reference or Contour Map Trainer 2026?

Lineman's Reference ships an update every 3 months, and Contour Map Trainer 2026 every 2 months. Most recently, Lineman's Reference was updated on November 12, 2026 and Contour Map Trainer 2026 on November 10, 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.*