# PerioVoice Pro Dental Charting vs CDA Test Prep

The clearest difference is update cadence: CDA Test Prep at daily against PerioVoice Pro Dental Charting's every 2 months. CDA Test Prep also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PerioVoice Pro Dental Charting sells 2 in-app purchases, starting at $39.99 per month and CDA Test Prep sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PerioVoice Pro Dental Charting ships an update every 2 months, CDA Test Prep daily. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PerioVoice Pro Dental Charting | CDA Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/periovoice-pro-dental-charting/id1663920660/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Subscription | — |
| Size | 53 MB | 32 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Joseph Pechter](https://appshunter.io/developer/389755641) | [Med Preps LLC](https://appshunter.io/developer/537568868) |

## What reviewers say

### PerioVoice Pro Dental Charting

[App page](https://appshunter.io/ios/app/periovoice-pro-dental-charting/id1663920660)

This app streamlines dental charting using voice commands, allowing professionals to focus on patients. It generates visual charts and raw data for integration into practice management software, improving documentation and patient care.

**Highlights:** Voice-controlled periodontal charting, Hands-free operation, Real-time virtual assistant charting, Exportable JPEG and JSON/CSV data, High accuracy in noisy environments, iOS 13.0+ compatibility

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free 7 Days then Monthly Fee | $39.99 | per month |
| Monthly Fee | $39.99 | per month |


### CDA Test Prep

[App page](https://appshunter.io/ios/app/cda-test-prep/id6776684816)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 48-Hour Access | $19.99 | one-time |
| 30-Day Access | $39.99 | one-time |
| Unlimited Access | $59.99 | one-time |


## Frequently asked questions

### Is PerioVoice Pro Dental Charting free?

PerioVoice Pro Dental Charting is free to download, with in-app purchases available.

### Is CDA Test Prep free?

CDA Test Prep is free to download, with in-app purchases available.

### Do PerioVoice Pro Dental Charting or CDA Test Prep have ads?

Neither PerioVoice Pro Dental Charting nor CDA Test Prep shows ads.

### Which is updated more often, PerioVoice Pro Dental Charting or CDA Test Prep?

PerioVoice Pro Dental Charting ships an update every 2 months, and CDA Test Prep daily. Most recently, PerioVoice Pro Dental Charting was updated on October 11, 2026 and CDA Test Prep on October 14, 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.*