# Round Ai vs PDF Maker

The clearest difference is update cadence: PDF Maker at every 4 days against Round Ai's every 2 months. Round Ai's advantage is iOS requirement (13.5 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Round Ai sells 4 in-app purchases, starting at $11.99 per month and PDF Maker sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Round Ai ships an update every 2 months, PDF Maker every 4 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Round Ai | PDF Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 11 MB | 22 MB |
| Requires iOS | **13.5** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HeeDae Lee](https://appshunter.io/developer/579751809) | [PixelRis Inc.](https://appshunter.io/developer/1781648750) |

## What reviewers say

### Round Ai

[App page](https://appshunter.io/ios/app/round-ai/id1544686490)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Automatic recording 3day | $11.99 | per month |
| Automatic recording 7day | $14.99 | per month |
| Automatic recording 15day | $19.99 | per month |
| Automatic recording 30day | $34.99 | per month |


### PDF Maker

[App page](https://appshunter.io/ios/app/pdf-maker-scan-and-convert/id6740338671)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly offer | $4.99 | per 7 days |
| Pro Monthly Offer | $7.99 | per month |


## Frequently asked questions

### Is Round Ai free?

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

### Is PDF Maker free?

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

### Do Round Ai or PDF Maker have ads?

Neither Round Ai nor PDF Maker shows ads.

### Which is updated more often, Round Ai or PDF Maker?

Round Ai ships an update every 2 months, and PDF Maker every 4 days. Most recently, Round Ai was updated on October 27, 2026 and PDF Maker on October 28, 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.*