# Sungrade vs PDF Toolkit X

The clearest difference is price: PDF Toolkit X at Free against Sungrade's $0.99. Sungrade's advantage is iOS requirement (17.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

PDF Toolkit X is free to download; Sungrade costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sungrade | PDF Toolkit X |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Size | 34 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Corbin](https://appshunter.io/developer/1890247992) | [Khang Le](https://appshunter.io/developer/1078541780) |

## What reviewers say

### Sungrade

[App page](https://appshunter.io/ios/app/sungrade-window-sun-tracker/id6776849435)

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

**In-app purchases:** none


### PDF Toolkit X

[App page](https://appshunter.io/ios/app/pdf-toolkit-x/id6817392901)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sungrade free?

Sungrade costs $0.99, with no in-app purchases.

### Is PDF Toolkit X free?

PDF Toolkit X is free to download, with no in-app purchases.

### Do Sungrade or PDF Toolkit X have ads?

Neither Sungrade nor PDF Toolkit X shows ads.

### Which is updated more often, Sungrade or PDF Toolkit X?

Sungrade ships an update every 4 days, and PDF Toolkit X every 4 days. Most recently, Sungrade was updated on October 28, 2026 and PDF Toolkit X on October 29, 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.*