# AllSensor vs Terrain Attain

The clearest difference is in-app purchases: AllSensor at none against Terrain Attain's 2. AllSensor also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Terrain Attain's advantage is update cadence (every 5 days vs every 3 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. AllSensor asks for nothing beyond the download.

AllSensor ships an update every 3 months, Terrain Attain every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AllSensor | 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 3 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 60 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) | [SwiftSherpas LLC](https://appshunter.io/developer/1719155429) |

## What reviewers say

### AllSensor

[App page](https://appshunter.io/ios/app/allsensor/id1589920082)

**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 AllSensor free?

AllSensor 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 AllSensor or Terrain Attain have ads?

Neither AllSensor nor Terrain Attain shows ads.

### Which is updated more often, AllSensor or Terrain Attain?

AllSensor ships an update every 3 months, and Terrain Attain every 5 days. Most recently, AllSensor was updated on November 7, 2026 and Terrain Attain on October 31, 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.*