# Form Memos vs PDF Studio

The clearest difference is update cadence: PDF Studio at every 2 weeks against Form Memos's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Form Memos sells 2 in-app purchases, starting at $0.99 per month and PDF Studio sells 3 in-app purchases, starting at $2.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Form Memos ships an update every 2 months, PDF Studio every 2 weeks. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Form Memos | PDF Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 25 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [育良 邱](https://appshunter.io/developer/1524416729) | [Boris Spiro](https://appshunter.io/developer/1853293003) |

## What reviewers say

### Form Memos

[App page](https://appshunter.io/ios/app/form-memos/id6670529605)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $9.99 | per year |


### PDF Studio

[App page](https://appshunter.io/ios/app/pdf-studio-scan-and-edit-docs/id6755344174)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.49 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $29.99 | per year |


## Frequently asked questions

### Is Form Memos free?

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

### Is PDF Studio free?

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

### Do Form Memos or PDF Studio have ads?

Neither Form Memos nor PDF Studio shows ads.

### Which is updated more often, Form Memos or PDF Studio?

Form Memos ships an update every 2 months, and PDF Studio every 2 weeks. Most recently, Form Memos was updated on September 30, 2026 and PDF Studio 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.*