# Norna Converter vs Sphereview 360

The clearest difference is in-app purchases: Sphereview 360 at none against Norna Converter's 3. Sphereview 360 also leads on update cadence (fortnightly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Norna Converter sells 3 in-app purchases, starting at $0.99 per month. Sphereview 360 asks for nothing beyond the download.

Norna Converter ships an update every 5 months, Sphereview 360 fortnightly. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Norna Converter | Sphereview 360 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 90 MB | 5 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gokdeniz CETIN](https://appshunter.io/developer/1857221685) | [Paul Moyne](https://appshunter.io/developer/6789700185) |

## What reviewers say

### Norna Converter

[App page](https://appshunter.io/ios/app/norna-converter/id6755909442)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |
| Premium Lifetime | $44.99 | one-time |


### Sphereview 360

[App page](https://appshunter.io/ios/app/sphereview-360/id6789700183)

**In-app purchases:** none


## Frequently asked questions

### Is Norna Converter free?

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

### Is Sphereview 360 free?

Sphereview 360 is free to download, with no in-app purchases.

### Do Norna Converter or Sphereview 360 have ads?

Neither Norna Converter nor Sphereview 360 shows ads.

### Which is updated more often, Norna Converter or Sphereview 360?

Norna Converter ships an update every 5 months, and Sphereview 360 fortnightly. Most recently, Norna Converter was updated on October 28, 2026 and Sphereview 360 on November 5, 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.*