# PDF Master vs ZyNotes

The clearest difference is update cadence: ZyNotes at fortnightly against PDF Master's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Master sells 6 in-app purchases, starting at $0.99 per 7 days and ZyNotes sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Master ships an update every 15 months, ZyNotes fortnightly. The most recent releases landed on May 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | PDF Master | ZyNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (27 ratings)](https://appshunter.io/ios/app/zynotes-private-notes/id6745183770/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 86.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [程 张](https://appshunter.io/developer/1523996955) | [Md Imran Ansari](https://appshunter.io/developer/1811164726) |

## What reviewers say

### PDF Master

[App page](https://appshunter.io/ios/app/pdf-master-reader-and-converter/id1645087890)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF转换器Pro周VIP | $0.99 | per 7 days |
| PDF转换器Pro月会员 | $3.99 | per month |
| Weekly PDF Premium | $7.99 | per 7 days |
| PDF转换器Pro年会员 | $12.99 | per year |
| Monthly PDF Premium | $12.99 | per month |
| Annual PDF Premium | $29.99 | per year |


### ZyNotes

[App page](https://appshunter.io/ios/app/zynotes-private-notes/id6745183770)

This app offers a secure, offline note-taking experience with no account required. It features a rich editor, to-do lists, image insertion, and PDF export. Customize your workspace and protect sensitive entries with a password.

**Highlights:** Fast and frictionless note-taking, Private and offline by default, Optional iCloud backup, Advanced note editor with rich formatting, Built-in to-do lists, Add photos to notes, Share notes as PDF, Lock and secure your notes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zynotes Weekly Premium | $3.99 | per 7 days |
| Zynotes Premium (Annual) | $24.99 | per year |
| Zynotes Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is PDF Master free?

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

### Is ZyNotes free?

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

### Do PDF Master or ZyNotes have ads?

Neither PDF Master nor ZyNotes shows ads.

### Which is updated more often, PDF Master or ZyNotes?

PDF Master ships an update every 15 months, and ZyNotes fortnightly. Most recently, PDF Master was updated on May 17, 2026 and ZyNotes on September 8, 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.*