# Spiro Designs vs Phosphor Press

The clearest difference is price: Phosphor Press at Free against Spiro Designs's $0.99. Phosphor Press also leads on update cadence (every 2 months vs every 18 months). Spiro Designs's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ads and iOS requirement there is nothing between them.

Phosphor Press is free to download; Spiro Designs costs $0.99 up front. Phosphor Press sells 1 one-off in-app purchase. Spiro Designs asks for nothing beyond the download.

Spiro Designs ships an update every 18 months, Phosphor Press every 2 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Spiro Designs | Phosphor Press |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Size | 19 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Inno Wheel LLC](https://appshunter.io/developer/340725783) | [MICHAL ZAJIC](https://appshunter.io/developer/6801258281) |

## What reviewers say

### Spiro Designs

[App page](https://appshunter.io/ios/app/spiro-designs/id1308112646)

**Features:** Vision Pro support

**In-app purchases:** none


### Phosphor Press

[App page](https://appshunter.io/ios/app/phosphor-press/id6801258279)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phosphor Press Pro | $2.99 | one-time |


## Frequently asked questions

### Is Spiro Designs free?

Spiro Designs costs $0.99, with no in-app purchases.

### Is Phosphor Press free?

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

### Do Spiro Designs or Phosphor Press have ads?

Neither Spiro Designs nor Phosphor Press shows ads.

### Which is updated more often, Spiro Designs or Phosphor Press?

Spiro Designs ships an update every 18 months, and Phosphor Press every 2 months. Most recently, Spiro Designs was updated on October 10, 2026 and Phosphor Press on October 18, 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.*