# Visolve for iPhone vs Pio Picker

The clearest difference is price: Visolve for iPhone at Free against Pio Picker's $3.99. Visolve for iPhone also leads on in-app purchases (none vs 3) and update cadence (every 11 months vs every 23 months). On ads and device support there is nothing between them.

Visolve for iPhone is free to download; Pio Picker costs $3.99 up front. Pio Picker sells 3 in-app purchases, starting at $0.99 per month. Visolve for iPhone asks for nothing beyond the download.

Visolve for iPhone ships an update every 11 months, Pio Picker every 23 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Visolve for iPhone | Pio Picker |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/visolve-for-iphone/id324196121/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 23 months |
| Monetization | Free | — |
| Size | 4 MB | 26 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Ryobi Systems Co.,Ltd.](https://appshunter.io/developer/422237051) | [文飞 黄](https://appshunter.io/developer/1626606437) |

## What reviewers say

### Visolve for iPhone

[App page](https://appshunter.io/ios/app/visolve-for-iphone/id324196121)

This utility app assists individuals with color vision deficiency by transforming images and webpages to enhance color distinction. It offers various filters and simulations to help users perceive colors differently or understand how color-blind individuals see the world.

**Highlights:** Red-Green color transform, Blue-Yellow color transform, Saturation increase, Color filtering, Hatching patterns, Color blindness simulation, Image and webpage transformation

**Features:** macOS Compatibility

**In-app purchases:** none


### Pio Picker

[App page](https://appshunter.io/ios/app/pio-picker/id6450163058)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $0.99 | per month |
| All Access | $3.99 | per year |
| All Access | $6.99 | one-time |


## Frequently asked questions

### Is Visolve for iPhone free?

Visolve for iPhone is free to download, with no in-app purchases.

### Is Pio Picker free?

Pio Picker costs $3.99, and also offers in-app purchases.

### Do Visolve for iPhone or Pio Picker have ads?

Neither Visolve for iPhone nor Pio Picker shows ads.

### Which is updated more often, Visolve for iPhone or Pio Picker?

Visolve for iPhone ships an update every 11 months, and Pio Picker every 23 months. Most recently, Visolve for iPhone was updated on October 7, 2026 and Pio Picker on October 2, 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.*