# Avenza Maps vs iCMTGIS III

The clearest difference is price: Avenza Maps at Free against iCMTGIS III's $199.99. Avenza Maps also leads on chart position (#17 vs unranked). iCMTGIS III's advantage is in-app purchases (none vs 10) and iOS requirement (9.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

Avenza Maps is free to download; iCMTGIS III costs $199.99 up front. Avenza Maps sells 10 in-app purchases, starting at $34.99 per year. iCMTGIS III asks for nothing beyond the download.

Avenza Maps ships an update every 2 months, iCMTGIS III every 3 months. The most recent releases landed on November 10, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Avenza Maps | iCMTGIS III |
| --- | --- | --- |
| Price | **Free** | $199.99 |
| Rating | **[4.8 (129K ratings)](https://appshunter.io/ios/app/avenza-maps-offline-mapping/id388424049/reviews)** | — |
| Number of ratings | **129K** | — |
| Positive reviews | 51.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#17** | — |
| Size | 344 MB | 14 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Avenza Systems Inc.](https://appshunter.io/developer/387212805) | [CORVALLIS MICROTECHNOLOGY, INC.](https://appshunter.io/developer/409254105) |

## What reviewers say

### Avenza Maps

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

**Currently charting:** #17 Top Grossing · Navigation, #69 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


### iCMTGIS III

[App page](https://appshunter.io/ios/app/icmtgis-iii/id982365052)

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

**In-app purchases:** none


## Frequently asked questions

### Is Avenza Maps free?

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

### Is iCMTGIS III free?

iCMTGIS III costs $199.99, with no in-app purchases.

### Do Avenza Maps or iCMTGIS III have ads?

Neither Avenza Maps nor iCMTGIS III shows ads.

### Which is updated more often, Avenza Maps or iCMTGIS III?

Avenza Maps ships an update every 2 months, and iCMTGIS III every 3 months. Most recently, Avenza Maps was updated on November 10, 2026 and iCMTGIS III 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.*