# Inventory Balance Checker vs Secure Document & PDF Scan

The clearest difference is in-app purchases: Inventory Balance Checker at none against Secure Document & PDF Scan's 4. Inventory Balance Checker also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). Secure Document & PDF Scan's advantage is update cadence (weekly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Secure Document & PDF Scan sells 4 in-app purchases, starting at $5.99 per 7 days. Inventory Balance Checker asks for nothing beyond the download.

Inventory Balance Checker ships an update every 5 months, Secure Document & PDF Scan weekly. The most recent releases landed on October 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Inventory Balance Checker | Secure Document & PDF Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 80 MB | 24 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SQILSOFT LLC](https://appshunter.io/developer/1492083439) | [ANTARES BUSINESS SUPPORT DOO](https://appshunter.io/developer/1831966165) |

## What reviewers say

### Inventory Balance Checker

[App page](https://appshunter.io/ios/app/inventory-balance-checker/id6452017064)

**Features:** macOS Compatibility

**In-app purchases:** none


### Secure Document & PDF Scan

[App page](https://appshunter.io/ios/app/secure-document-and-pdf-scan/id6746461100)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |
| Premium access | $9.99 | per 7 days |
| Premium access | $9.99 | per 7 days |
| Premium access | $34.99 | per month |


## Frequently asked questions

### Is Inventory Balance Checker free?

Inventory Balance Checker is free to download, with no in-app purchases.

### Is Secure Document & PDF Scan free?

Secure Document & PDF Scan is free to download, with in-app purchases available.

### Do Inventory Balance Checker or Secure Document & PDF Scan have ads?

Secure Document & PDF Scan shows ads; Inventory Balance Checker does not.

### Which is updated more often, Inventory Balance Checker or Secure Document & PDF Scan?

Inventory Balance Checker ships an update every 5 months, and Secure Document & PDF Scan weekly. Most recently, Inventory Balance Checker was updated on October 16, 2026 and Secure Document & PDF Scan on September 23, 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.*