# Elevation Survey vs Terramark

The clearest difference is update cadence: Terramark at every 3 weeks against Elevation Survey's every 3 months. Elevation Survey's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Elevation Survey sells 2 in-app purchases, starting at $6.99 per month and Terramark sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Elevation Survey ships an update every 3 months, Terramark every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Elevation Survey | Terramark |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 75 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Booth](https://appshunter.io/developer/415450674) | [Suleyman ER](https://appshunter.io/developer/1510947588) |

## What reviewers say

### Elevation Survey

[App page](https://appshunter.io/ios/app/elevation-survey/id433368313)

This app simplifies leveling surveys by automatically calculating instrument and ground heights. It allows for instant computation of staff readings for layout work and offers flexible data entry modes. Survey data can be easily exported and shared.

**Highlights:** Automatic HI and GH calculation, Instant staff reading computation for layout, Color-coded input and results, Add notes for projects, Export data as CSV, Standard and Staff data entry modes, In-app tutorial

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $59.99 | per year |


### Terramark

[App page](https://appshunter.io/ios/app/terramark-gps-survey-camera/id6788097186)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Terramark Pro Monthly | $4.99 | per month |
| Terramark Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Elevation Survey free?

Elevation Survey is free to download, with in-app purchases available.

### Is Terramark free?

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

### Do Elevation Survey or Terramark have ads?

Neither Elevation Survey nor Terramark shows ads.

### Which is updated more often, Elevation Survey or Terramark?

Elevation Survey ships an update every 3 months, and Terramark every 3 weeks. Most recently, Elevation Survey was updated on November 1, 2026 and Terramark 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.*