# Converter One vs survAIor

The clearest difference is price: survAIor at Free against Converter One's $0.99. Converter One's advantage is device support. On in-app purchases and iOS requirement there is nothing between them.

survAIor is free to download; Converter One costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Converter One | survAIor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/survaior/id6760598652/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 months | — |
| Monetization | — | Free |
| Size | 10 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ashkan Zanjani](https://appshunter.io/developer/1501855480) | [Alex Stanage](https://appshunter.io/developer/1885227981) |

## What reviewers say

### Converter One

[App page](https://appshunter.io/ios/app/converter-one/id6753948436)

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

**In-app purchases:** none


### survAIor

[App page](https://appshunter.io/ios/app/survaior/id6760598652)

This app provides essential surveying calculations for engineers and field technicians. It offers tools for traverse adjustments, area and curve calculations, volume computation, and GPS point capture. All data is stored locally and can be exported for use in other software.

**Highlights:** Traverse adjustments with Bowditch correction, Polygon area and perimeter calculation, Horizontal curve element solver, Earthwork volume computation, GPS point capture with real-time UTM conversion, Project organization and management, One-tap CSV export

**In-app purchases:** none


## Frequently asked questions

### Is Converter One free?

Converter One costs $0.99, with no in-app purchases.

### Is survAIor free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*