# DOCS Education vs PerioCalc

The clearest difference is update cadence: PerioCalc at every 3 months against DOCS Education's every 31 months. DOCS Education's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DOCS Education ships an update every 31 months, PerioCalc every 3 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DOCS Education | PerioCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/periocalc/id6470758932/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 14 MB | 22 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Michael Silverman](https://appshunter.io/developer/1502984043) | [Rutgers, The State University of New Jersey](https://appshunter.io/developer/458425733) |

## What reviewers say

### DOCS Education

[App page](https://appshunter.io/ios/app/docs-education/id1502984044)

**Features:** macOS Compatibility

**In-app purchases:** none


### PerioCalc

[App page](https://appshunter.io/ios/app/periocalc/id6470758932)

This educational tool assists dental students and professionals in understanding and applying the latest periodontal classification guidelines for staging and grading periodontitis and peri-implantitis. It offers instant results for case-based learning, focusing on the 2018 Classification.

**Highlights:** Periodontal classification learning, Staging and grading of periodontitis, Peri-implantitis classification, Case-based learning tool, Instant results, Based on 2018 Classification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DOCS Education free?

DOCS Education is free to download, with no in-app purchases.

### Is PerioCalc free?

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

### Do DOCS Education or PerioCalc have ads?

Neither DOCS Education nor PerioCalc shows ads.

### Which is updated more often, DOCS Education or PerioCalc?

DOCS Education ships an update every 31 months, and PerioCalc every 3 months. Most recently, DOCS Education was updated on October 2, 2026 and PerioCalc on October 7, 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.*