# Call Checker vs ScannerHD Pro

The clearest difference is review sentiment: ScannerHD Pro at 91% against Call Checker's 0%. ScannerHD Pro also leads on update cadence (every 2 months vs every 23 months) and iOS requirement (9.0 vs 15.6). Call Checker's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and device support there is nothing between them.

Call Checker costs $0.99 and ScannerHD Pro $0.99 up front. ScannerHD Pro sells 3 in-app purchases, starting at $4.99 per month. Call Checker asks for nothing beyond the download.

Call Checker ships an update every 23 months, ScannerHD Pro every 2 months. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Call Checker | ScannerHD Pro |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[4.7 (143 ratings)](https://appshunter.io/ios/app/scannerhd-pro-pdf-scan/id1460078746/reviews)** |
| Number of ratings | — | **143** |
| Positive reviews | 0.0% of reviews | **90.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 44 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [HiThink Financial Services Inc.](https://appshunter.io/developer/403711743) |

## What reviewers say

### Call Checker

[App page](https://appshunter.io/ios/app/call-checker/id292434428)

Easily track the local times of your international contacts to avoid calling at inconvenient hours. Quickly see who is available and initiate calls directly from the app.

**Highlights:** Track contact local times, Avoid bad calling hours, Check contact availability, Initiate calls directly (iPhone)

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

**In-app purchases:** none


### ScannerHD Pro

[App page](https://appshunter.io/ios/app/scannerhd-pro-pdf-scan/id1460078746)

Transform your smartphone into a portable scanner. Capture documents, receipts, and notes with high quality, and easily share them as PDFs or JPEGs. Features include OCR text recognition and cloud storage integration.

**Highlights:** High Scan Quality, OCR Text Recognition, Sync & Auto-upload, Create & Manage Folders, Cloud Storage Integration, Convert to PDF/JPEG, Automatic Edge Detection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $4.99 | per month |
| Yearly VIP | $39.99 | per year |
| All Life VIP | $89.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- ✨ High scan quality
- 💡 Good OCR capabilities
- 💰 Free to use (initially)

**What reviewers complain about**

- 💸 Expensive in-app purchases
- 🔒 Security concerns (not verified by Apple)
- ⚠️ Requires monthly subscription for features
- 👎 Scanned documents look unprofessional
- 🐛 App crashes

**Reported bugs**

- Stopped working suddenly
- Crashes upon opening
- Doesn't save pictures sometimes
- OCR produces gibberish for vertical text
- Only scans a portion of photos from album

**Requested features**

- Add household registration book scanning
- Improve OCR for vertical text
- Clarify difference between free and pro versions
- Add color scanning option
- Improve layout and table formatting


## Frequently asked questions

### Is Call Checker free?

Call Checker costs $0.99, with no in-app purchases.

### Is ScannerHD Pro free?

ScannerHD Pro costs $0.99, and also offers in-app purchases.

### Do Call Checker or ScannerHD Pro have ads?

ScannerHD Pro shows ads; Call Checker does not.

### Which is updated more often, Call Checker or ScannerHD Pro?

Call Checker ships an update every 23 months, and ScannerHD Pro every 2 months. Most recently, Call Checker was updated on October 9, 2026 and ScannerHD Pro on October 19, 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.*