# SGP vs OZsurvey

The clearest difference is in-app purchases: OZsurvey at none against SGP's 2. SGP's advantage is update cadence (every 2 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SGP sells 2 one-off in-app purchases. OZsurvey asks for nothing beyond the download.

SGP ships an update every 2 months, OZsurvey every 7 months. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SGP | OZsurvey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 48 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vizion Gestão Empresarial](https://appshunter.io/developer/574227293) | [DEVELOPMENT ONE ZERO LTDA](https://appshunter.io/developer/1079919113) |

## What reviewers say

### SGP

[App page](https://appshunter.io/ios/app/sgp/id1450015309)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plano Basico | $79.99 | one-time |
| Plano Premium | $159.99 | one-time |


### OZsurvey

[App page](https://appshunter.io/ios/app/ozsurvey/id6446942161)

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

**In-app purchases:** none


## Frequently asked questions

### Is SGP free?

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

### Is OZsurvey free?

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

### Do SGP or OZsurvey have ads?

Neither SGP nor OZsurvey shows ads.

### Which is updated more often, SGP or OZsurvey?

SGP ships an update every 2 months, and OZsurvey every 7 months. Most recently, SGP was updated on October 16, 2026 and OZsurvey on October 11, 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.*