# Visolve for iPhone vs Custom PDF

The clearest difference is in-app purchases: Visolve for iPhone at none against Custom PDF's 1. Visolve for iPhone also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Custom PDF sells 1 in-app purchase, starting at $1.00 per month. Visolve for iPhone asks for nothing beyond the download.

## The numbers

| Metric | Visolve for iPhone | Custom PDF |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Update frequency | Every 11 months | — |
| Monetization | Free | — |
| Size | 4 MB | 40 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ryobi Systems Co.,Ltd.](https://appshunter.io/developer/422237051) | [Chi Chung Wong](https://appshunter.io/developer/1830642000) |

## 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


### Custom PDF

[App page](https://appshunter.io/ios/app/custom-pdf/id6756951526)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.00 | per month |


## Frequently asked questions

### Is Visolve for iPhone free?

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

### Is Custom PDF free?

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

### Do Visolve for iPhone or Custom PDF have ads?

Custom PDF shows ads; Visolve for iPhone does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*