# PDF Scanner for Docs,Photo Pro vs DuoCoStrip Pro

The clearest difference is price: DuoCoStrip Pro at Free against PDF Scanner for Docs,Photo Pro's $3.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

DuoCoStrip Pro is free to download; PDF Scanner for Docs,Photo Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF Scanner for Docs,Photo Pro ships an update every 3 months, DuoCoStrip Pro every 2 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Scanner for Docs,Photo Pro | DuoCoStrip Pro |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[1.8 (6 ratings)](https://appshunter.io/ios/app/duocostrip-pro/id6444222032/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 137 MB | 232 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aamir Sajjad](https://appshunter.io/developer/1645273562) | [红建 付](https://appshunter.io/developer/1679507090) |

## What reviewers say

### PDF Scanner for Docs,Photo Pro

[App page](https://appshunter.io/ios/app/pdf-scanner-for-docsphoto-pro/id6443735103)

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

**In-app purchases:** none


### DuoCoStrip Pro

[App page](https://appshunter.io/ios/app/duocostrip-pro/id6444222032)

Control colorful synchronous lights with various modes. Adjust light color, activate dynamic colorful effects, and sync lighting changes to music or microphone input.

**Highlights:** Adjust light color, Colorful mode, Music-driven lighting changes, Microphone sound control

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner for Docs,Photo Pro free?

PDF Scanner for Docs,Photo Pro costs $3.99, with no in-app purchases.

### Is DuoCoStrip Pro free?

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

### Do PDF Scanner for Docs,Photo Pro or DuoCoStrip Pro have ads?

Neither PDF Scanner for Docs,Photo Pro nor DuoCoStrip Pro shows ads.

### Which is updated more often, PDF Scanner for Docs,Photo Pro or DuoCoStrip Pro?

PDF Scanner for Docs,Photo Pro ships an update every 3 months, and DuoCoStrip Pro every 2 months. Most recently, PDF Scanner for Docs,Photo Pro was updated on October 4, 2026 and DuoCoStrip Pro on October 24, 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.*