# GPR Mobile vs Terrain Attain

The clearest difference is in-app purchases: GPR Mobile at none against Terrain Attain's 2. GPR Mobile also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Terrain Attain's advantage is update cadence (every 5 days vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Terrain Attain sells 2 in-app purchases, starting at $9.99 per month. GPR Mobile asks for nothing beyond the download.

GPR Mobile ships an update every 5 months, Terrain Attain every 5 days. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GPR Mobile | Terrain Attain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/terrain-attain/id6793380722/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MISUNG C&S Inc.](https://appshunter.io/developer/1107796115) | [SwiftSherpas LLC](https://appshunter.io/developer/1719155429) |

## What reviewers say

### GPR Mobile

[App page](https://appshunter.io/ios/app/gpr-mobile/id6475024373)

**Features:** macOS Compatibility

**In-app purchases:** none


### Terrain Attain

[App page](https://appshunter.io/ios/app/terrain-attain/id6793380722)

This app uses your iPhone's LiDAR sensor to create detailed visual maps of terrain. It reveals contours, slope direction, and elevation changes, offering a clearer understanding of ground shape for golfers and anyone analyzing surfaces.

**Highlights:** LiDAR-powered surface scanning, Visual contour and elevation mapping, Slope and ground-shape visualization, Top-down interpretation views, Putting green and terrain inspection, Focused on-location interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $9.99 | per month |
| Annual Pro | $79.99 | per year |


## Frequently asked questions

### Is GPR Mobile free?

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

### Is Terrain Attain free?

Terrain Attain is free to download, with in-app purchases available.

### Do GPR Mobile or Terrain Attain have ads?

Neither GPR Mobile nor Terrain Attain shows ads.

### Which is updated more often, GPR Mobile or Terrain Attain?

GPR Mobile ships an update every 5 months, and Terrain Attain every 5 days. Most recently, GPR Mobile was updated on October 27, 2026 and Terrain Attain on October 11, 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.*