# Avenza Maps vs Theodolite HD

The clearest difference is price: Avenza Maps at Free against Theodolite HD's $8.99. Avenza Maps also leads on ratings volume (128K vs 136) and update cadence (every 2 months vs every 4 months). Theodolite HD's advantage is review sentiment (91% vs 51%) and iOS requirement (15.6 vs 18.0). On rating, ads, in-app purchases and monetization model there is nothing between them.

Avenza Maps is free to download; Theodolite HD costs $8.99 up front. Avenza Maps sells 10 in-app purchases, starting at $34.99 per year and Theodolite HD sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Avenza Maps against 4.7 for Theodolite HD. That said, the two scores are not equally well evidenced: Avenza Maps has 128K ratings behind it against 136, so its average is the more settled of the two. Written reviews are what separate them: 51% of Avenza Maps's written reviews are positive against 91% of Theodolite HD's.

Avenza Maps ships an update every 2 months, Theodolite HD every 4 months. The most recent releases landed on November 7, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Avenza Maps | Theodolite HD |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | **[4.8 (128K ratings)](https://appshunter.io/ios/app/avenza-maps-offline-mapping/id388424049/reviews)** | [4.7 (136 ratings)](https://appshunter.io/ios/app/theodolite-hd/id425456242/reviews) |
| Number of ratings | **128K** | 136 |
| Positive reviews | 51.2% of reviews | **91.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#17** | — |
| Size | 335 MB | 30 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avenza Systems Inc.](https://appshunter.io/developer/387212805) | [Craig Hunter](https://appshunter.io/developer/286743884) |

## What reviewers say

### Avenza Maps

[App page](https://appshunter.io/ios/app/avenza-maps-offline-mapping/id388424049)

**Currently charting:** #17 Top Grossing · Navigation, #70 Top Free · Navigation (US App Store)

Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.

**Highlights:** Offline GPS navigation, Real-time GPS position and direction, Record GPS tracks, Add photos and notes to locations, Import custom maps, Map Store with professional maps

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avenza Maps Plus | $34.99 | per year |
| Avenza Maps Pro | $169.99 | per year |
| Forest Service Topo Product | $0.99 | one-time |
| Garmin Tier 1 | $0.99 | one-time |
| BaseImage, LLC Map Product | $0.99 | one-time |
| Western Michigan University Map Product | $2.99 | one-time |
| US Forest Service R5 Map Product | $4.99 | one-time |
| US Forest Service R6 Product | $4.99 | one-time |
| Map the Xperience Map Product | $4.99 | one-time |
| National Geographic Map Product | $11.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🗺️ Accurate GPS tracking
- 📥 Offline maps
- 💾 Ability to download maps
- 🗺️ Detailed topographic maps

**What reviewers complain about**

- 🔍 Poor search functionality
- 🗺️ Inaccurate map placement
- 💰 Expensive maps
- 🔋 Battery drain
- 🤔 Confusing interface

**Reported bugs**

- Maps disappearing after updates
- Airdrop functionality issues
- Compatibility problems with newer devices

**Requested features**

- Ability to stitch/overlay multiple maps
- Apple CarPlay integration
- Improved map search and discovery
- Easier map management and organization
- Ability to export/share recorded tracks


### 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


## Frequently asked questions

### Is Avenza Maps free?

Avenza Maps is free to download, with in-app purchases available.

### Is Theodolite HD free?

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

### Which has better reviews, Avenza Maps or Theodolite HD?

Avenza Maps is rated higher. Avenza Maps averages 4.8 out of 5 from 128K ratings, while Theodolite HD averages 4.7 from 136 ratings.

### Do Avenza Maps or Theodolite HD have ads?

Neither Avenza Maps nor Theodolite HD shows ads.

### Which is updated more often, Avenza Maps or Theodolite HD?

Avenza Maps ships an update every 2 months, and Theodolite HD every 4 months. Most recently, Avenza Maps was updated on November 7, 2026 and Theodolite HD on November 1, 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.*