# OZsurvey vs I3fibra

The clearest difference is iOS requirement: OZsurvey at 13.0 against I3fibra's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

OZsurvey ships an update every 7 months, I3fibra every 14 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OZsurvey | I3fibra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 14 months |
| Size | 53 MB | 60 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEVELOPMENT ONE ZERO LTDA](https://appshunter.io/developer/1079919113) | [Rafael Machado](https://appshunter.io/developer/1400606916) |

## What reviewers say

### OZsurvey

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

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

**In-app purchases:** none


### I3fibra

[App page](https://appshunter.io/ios/app/i3fibra/id6504040809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OZsurvey free?

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

### Is I3fibra free?

I3fibra is free to download, with no in-app purchases.

### Do OZsurvey or I3fibra have ads?

Neither OZsurvey nor I3fibra shows ads.

### Which is updated more often, OZsurvey or I3fibra?

OZsurvey ships an update every 7 months, and I3fibra every 14 months. Most recently, OZsurvey was updated on October 11, 2026 and I3fibra 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.*