# Sigfre vs Pure Phase

The clearest difference is in-app purchases: Pure Phase at none against Sigfre's 2. Pure Phase also leads on update cadence (every 3 days vs weekly). Sigfre's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sigfre sells 2 in-app purchases, starting at $9.99 per month. Pure Phase asks for nothing beyond the download.

Sigfre ships an update weekly, Pure Phase every 3 days. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Sigfre | Pure Phase |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 332 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Tyler Fuller](https://appshunter.io/developer/1893379106) | [Mark Friedlander](https://appshunter.io/developer/1812095304) |

## What reviewers say

### Sigfre

[App page](https://appshunter.io/ios/app/sigfre/id6762210169)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sigfre Pro Monthly | $9.99 | per month |
| Sigfre Pro Annual | $69.99 | per year |


### Pure Phase

[App page](https://appshunter.io/ios/app/pure-phase/id6767311034)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sigfre free?

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

### Is Pure Phase free?

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

### Do Sigfre or Pure Phase have ads?

Neither Sigfre nor Pure Phase shows ads.

### Which is updated more often, Sigfre or Pure Phase?

Sigfre ships an update weekly, and Pure Phase every 3 days. Most recently, Sigfre was updated on October 2, 2026 and Pure Phase on October 4, 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.*