# Surveyor2 vs PV

The clearest difference is update cadence: Surveyor2 at every 2 months against PV's every 6 months. PV's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Surveyor2 ships an update every 2 months, PV every 6 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Surveyor2 | PV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 47 MB | 59 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [C-TEC (Computionics)](https://appshunter.io/developer/1438867713) | [Seaward Electronics Ltd.](https://appshunter.io/developer/918496392) |

## What reviewers say

### Surveyor2

[App page](https://appshunter.io/ios/app/surveyor2/id1669032008)

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

**In-app purchases:** none


### PV

[App page](https://appshunter.io/ios/app/pv-sync-mobile/id6744293127)

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

**In-app purchases:** none


## Frequently asked questions

### Is Surveyor2 free?

Surveyor2 is free to download, with no in-app purchases.

### Is PV free?

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

### Do Surveyor2 or PV have ads?

Neither Surveyor2 nor PV shows ads.

### Which is updated more often, Surveyor2 or PV?

Surveyor2 ships an update every 2 months, and PV every 6 months. Most recently, Surveyor2 was updated on September 30, 2026 and PV on October 1, 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.*