# XML to PDF vs Ping

The clearest difference is in-app purchases: Ping at none against XML to PDF's 3. Ping also leads on update cadence (every 8 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. XML to PDF sells 3 in-app purchases, starting at $2.99 per 7 days. Ping asks for nothing beyond the download.

XML to PDF ships an update every 6 weeks, Ping every 8 days. The most recent releases landed on September 28, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | XML to PDF | Ping |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ping-never-forget-again/id6806639877/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) | [VG Creative Labs LLC](https://appshunter.io/developer/6806639879) |

## What reviewers say

### XML to PDF

[App page](https://appshunter.io/ios/app/xml-to-pdf-code-printer/id6759917332)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $6.99 | per month |
| Yearly | $17.99 | per year |


### Ping

[App page](https://appshunter.io/ios/app/ping-never-forget-again/id6806639877)

This app ensures you never forget important tasks by repeatedly notifying you until they are marked as complete. It understands natural language for setting reminders and prioritizes privacy with on-device processing.

**Highlights:** Persistent notifications until completion, Natural language input for reminders, On-device AI for understanding phrasing, Customizable re-ping intervals, Privacy-focused, no account or tracking, Supports repeating tasks

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

**In-app purchases:** none


## Frequently asked questions

### Is XML to PDF free?

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

### Is Ping free?

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

### Do XML to PDF or Ping have ads?

Neither XML to PDF nor Ping shows ads.

### Which is updated more often, XML to PDF or Ping?

XML to PDF ships an update every 6 weeks, and Ping every 8 days. Most recently, XML to PDF was updated on September 28, 2026 and Ping on October 20, 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.*