# BillyBot vs Site Survey Pro

The clearest difference is in-app purchases: BillyBot at none against Site Survey Pro's 1. BillyBot also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (15.1 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Site Survey Pro sells 1 one-off in-app purchase. BillyBot asks for nothing beyond the download.

BillyBot ships an update every 2 days, Site Survey Pro fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BillyBot | Site Survey Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 28 MB | 9 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BILLYBOT LTD](https://appshunter.io/developer/1870666981) | [Orion GLE Ltd](https://appshunter.io/developer/1881383881) |

## What reviewers say

### BillyBot

[App page](https://appshunter.io/ios/app/billybot/id6758058400)

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

**In-app purchases:** none


### Site Survey Pro

[App page](https://appshunter.io/ios/app/site-survey-pro/id6760477100)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is BillyBot free?

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

### Is Site Survey Pro free?

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

### Do BillyBot or Site Survey Pro have ads?

Neither BillyBot nor Site Survey Pro shows ads.

### Which is updated more often, BillyBot or Site Survey Pro?

BillyBot ships an update every 2 days, and Site Survey Pro fortnightly. Most recently, BillyBot was updated on October 23, 2026 and Site Survey Pro on October 24, 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.*