# AVL CalApp vs PDF Voice Reader .

The clearest difference is in-app purchases: AVL CalApp at none against PDF Voice Reader .'s 2. AVL CalApp also leads on iOS requirement (7.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Voice Reader . sells 2 in-app purchases, starting at $4.99 per 7 days. AVL CalApp asks for nothing beyond the download.

## The numbers

| Metric | AVL CalApp | PDF Voice Reader . |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 8 MB | 5 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AVL List GmbH](https://appshunter.io/developer/1225134805) | [PORTSUN BIOTECH LIMITED](https://appshunter.io/developer/1700670617) |

## What reviewers say

### AVL CalApp

[App page](https://appshunter.io/ios/app/avl-calapp/id1225231296)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Voice Reader .

[App page](https://appshunter.io/ios/app/pdf-voice-reader/id6760875544)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $4.99 | per 7 days |
| Yearly Pro Access | $39.99 | per year |


## Frequently asked questions

### Is AVL CalApp free?

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

### Is PDF Voice Reader . free?

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

### Do AVL CalApp or PDF Voice Reader . have ads?

Neither AVL CalApp nor PDF Voice Reader . shows ads.

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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.*