# Theodolite HD vs Azimuth Nav

The clearest difference is price: Azimuth Nav at Free against Theodolite HD's $8.99. Azimuth Nav also leads on in-app purchases (none vs 8) and update cadence (every 2 days vs every 4 months). Theodolite HD's advantage is iOS requirement (15.6 vs 18.1). On ads and device support there is nothing between them.

Azimuth Nav is free to download; Theodolite HD costs $8.99 up front. Theodolite HD sells 8 one-off in-app purchases. Azimuth Nav asks for nothing beyond the download.

Theodolite HD ships an update every 4 months, Azimuth Nav every 2 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Theodolite HD | Azimuth Nav |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[4.7 (136 ratings)](https://appshunter.io/ios/app/theodolite-hd/id425456242/reviews)** | — |
| Number of ratings | **136** | — |
| Positive reviews | 91.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 3 MB |
| Requires iOS | **15.6** | 18.1 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Craig Hunter](https://appshunter.io/developer/286743884) | [Nick N](https://appshunter.io/developer/1868044896) |

## What reviewers say

### Theodolite HD

[App page](https://appshunter.io/ios/app/theodolite-hd/id425456242)

This app combines a compass, inclinometer, rangefinder, GPS, and map for augmented reality navigation. It allows users to capture data-overlay photos and videos, view positions on a map with offline options, and share location data with others. It's designed for professional use and outdoor activities.

**Highlights:** Augmented reality viewfinder, Compass and inclinometer, GPS and map with offline options, Data-overlay photo/video camera, Rangefinder and nav calculator, Location sharing and team tracking

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Outdoors Map Tiles | $0.99 | one-time |
| Team Tracking | $1.99 | one-time |
| World Datum Pack | $2.99 | one-time |
| US Mountain Summits AR Layer | $2.99 | one-time |
| 5,000 Outdoors Map Tiles | $4.99 | one-time |
| 10,000 Outdoors Map Tiles | $8.99 | one-time |
| 20,000 Outdoors Map Tiles | $17.99 | one-time |
| US State Plane Coordinates | $24.99 | one-time |

**What reviewers like**

- 🚀 Intuitive and easy to use
- 🔍 Accurate measurements and data
- 📷 Useful photo documentation features
- 🧭 Versatile for various applications
- 🏫 Great for educational and teaching purposes

**What reviewers complain about**

- 🔍 Occasional compass/sensor accuracy issues
- 💰 Expensive in-app purchases for maps and features
- 📱 Separate iPhone and iPad versions require double purchase
- 🔄 Lack of screen rotation support on some devices

**Reported bugs**

- Occasional crashes or freezes, especially on older devices
- Camera orientation issues on some devices

**Requested features**

- Add option to set elevation angle to 0 degrees horizontal
- Implement cross-device sync and data sharing
- Expand map coverage and reduce in-app purchase costs
- Add support for more camera features like video recording


### Azimuth Nav

[App page](https://appshunter.io/ios/app/azimuth-nav/id6757658527)

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

**In-app purchases:** none


## Frequently asked questions

### Is Theodolite HD free?

Theodolite HD costs $8.99, and also offers in-app purchases.

### Is Azimuth Nav free?

Azimuth Nav is free to download, with no in-app purchases.

### Do Theodolite HD or Azimuth Nav have ads?

Neither Theodolite HD nor Azimuth Nav shows ads.

### Which is updated more often, Theodolite HD or Azimuth Nav?

Theodolite HD ships an update every 4 months, and Azimuth Nav every 2 days. Most recently, Theodolite HD was updated on November 1, 2026 and Azimuth Nav on November 5, 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.*