# InfiniteNote vs PDF Expert

InfiniteNote and PDF Expert are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. InfiniteNote sells 1 one-off in-app purchase and PDF Expert sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

InfiniteNote ships an update fortnightly, PDF Expert every 9 days. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | InfiniteNote | PDF Expert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 3 MB | 47 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jumpei Takiyasu](https://appshunter.io/developer/1550600314) | [泽强 蒲](https://appshunter.io/developer/1505153238) |

## What reviewers say

### InfiniteNote

[App page](https://appshunter.io/ios/app/infinitenote-canvas-notes/id6759290708)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Notes | $2.99 | one-time |


### PDF Expert

[App page](https://appshunter.io/ios/app/pdf-expert-reader-and-editor/id6796615625)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Expert Premium Monthly | $3.99 | per month |
| PDF Expert Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is InfiniteNote free?

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

### Is PDF Expert free?

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

### Do InfiniteNote or PDF Expert have ads?

Neither InfiniteNote nor PDF Expert shows ads.

### Which is updated more often, InfiniteNote or PDF Expert?

InfiniteNote ships an update fortnightly, and PDF Expert every 9 days. Most recently, InfiniteNote was updated on September 30, 2026 and PDF Expert on September 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.*