# ScanPDF vs PopScan by JUNO Tokyo

The clearest difference is in-app purchases: ScanPDF at none against PopScan by JUNO Tokyo's 1. ScanPDF also leads on update cadence (every 5 weeks vs every 3 months). PopScan by JUNO Tokyo's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. PopScan by JUNO Tokyo sells 1 one-off in-app purchase. ScanPDF asks for nothing beyond the download.

ScanPDF ships an update every 5 weeks, PopScan by JUNO Tokyo every 3 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ScanPDF | PopScan by JUNO Tokyo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 6 MB | 8 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shuto Nishiyama](https://appshunter.io/developer/1879174354) | [Jun Okamoto](https://appshunter.io/developer/1892282552) |

## What reviewers say

### ScanPDF

[App page](https://appshunter.io/ios/app/scanpdf-document-scanner/id6759512455)

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

**In-app purchases:** none


### PopScan by JUNO Tokyo

[App page](https://appshunter.io/ios/app/popscan-by-juno-tokyo/id6761980782)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan | $3.99 | one-time |


## Frequently asked questions

### Is ScanPDF free?

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

### Is PopScan by JUNO Tokyo free?

PopScan by JUNO Tokyo is free to download, with in-app purchases available.

### Do ScanPDF or PopScan by JUNO Tokyo have ads?

ScanPDF shows ads; PopScan by JUNO Tokyo does not.

### Which is updated more often, ScanPDF or PopScan by JUNO Tokyo?

ScanPDF ships an update every 5 weeks, and PopScan by JUNO Tokyo every 3 months. Most recently, ScanPDF was updated on October 31, 2026 and PopScan by JUNO Tokyo on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*