# TerraGuide vs GridDown Maps

The clearest difference is iOS requirement: GridDown Maps at 15.4 against TerraGuide's 18.5. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for TerraGuide against 5.0 for GridDown Maps. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

TerraGuide ships an update every 2 months, GridDown Maps every 5 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TerraGuide | GridDown Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/terraguide/id6749492441/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/griddown-maps/id6792621696/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 80 MB | 37 MB |
| Requires iOS | 18.5 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ANDESMAYA LLC](https://appshunter.io/developer/1830749205) | [James Carey](https://appshunter.io/developer/6792621698) |

## What reviewers say

### TerraGuide

[App page](https://appshunter.io/ios/app/terraguide/id6749492441)

This offline emergency assistant uses on-device AI for guidance without internet. It offers offline maps, star navigation, and peer-to-peer chat for rescue coordination. Receive safety alerts for natural disasters and access community emergency response training.

**Highlights:** On-device AI guidance, Offline maps and star navigation, Offline Wifi/Bluetooth Mesh chat, Safety alerts for emergencies, Community emergency training

**Features:** macOS Compatibility

**In-app purchases:** none


### GridDown Maps

[App page](https://appshunter.io/ios/app/griddown-maps/id6792621696)

This app provides detailed offline topographic maps of the United States, including streets, trails, and terrain data. It offers navigation tools like location tracking, compass, and route planning, functioning without any internet connection. It's designed for backcountry use and emergencies.

**Highlights:** Offline US state topographic maps, Location tracking and compass, Offline route planning, GPX import/export, Elevation profiles and viewshed analysis, Forest Service Motor Vehicle Use Maps, Survival handbook

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

**In-app purchases:** none


## Frequently asked questions

### Is TerraGuide free?

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

### Is GridDown Maps free?

GridDown Maps is free to download, with no in-app purchases.

### Which has better reviews, TerraGuide or GridDown Maps?

TerraGuide and GridDown Maps are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do TerraGuide or GridDown Maps have ads?

Neither TerraGuide nor GridDown Maps shows ads.

### Which is updated more often, TerraGuide or GridDown Maps?

TerraGuide ships an update every 2 months, and GridDown Maps every 5 weeks. Most recently, TerraGuide was updated on October 15, 2026 and GridDown Maps on October 25, 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.*