# AAPD Annual Session vs Edustack App

The clearest difference is in-app purchases: AAPD Annual Session at none against Edustack App's 1. Edustack App's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Edustack App sells 1 one-off in-app purchase. AAPD Annual Session asks for nothing beyond the download.

AAPD Annual Session ships an update every 5 months, Edustack App monthly. The most recent releases landed on October 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AAPD Annual Session | Edustack App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (326 ratings)](https://appshunter.io/ios/app/aapd-annual-session/id1065654872/reviews)** | — |
| Number of ratings | **326** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 80 MB | 104 MB |
| Requires iOS | 15.5 | **15.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [The American Academy of Pediatric Dentistry](https://appshunter.io/developer/495286441) | [Challenge The Way You Think Limited](https://appshunter.io/developer/1862103930) |

## What reviewers say

### AAPD Annual Session

[App page](https://appshunter.io/ios/app/aapd-annual-session/id1065654872)

Access presentations, slides, and posters from the AAPD Annual Session. Draw, highlight, and take notes directly on slides, with all your notes saved online for later access.

**Highlights:** Access presentations, slides, and posters, Draw and highlight on slides, Take notes adjacent to slides, Online saving of notes, Access notes via online personal summary

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

**In-app purchases:** none


### Edustack App

[App page](https://appshunter.io/ios/app/edustack-app/id6756651531)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Critical Thinking: Declined | $3.99 | one-time |


## Frequently asked questions

### Is AAPD Annual Session free?

AAPD Annual Session is free to download, with no in-app purchases.

### Is Edustack App free?

Edustack App is free to download, with in-app purchases available.

### Do AAPD Annual Session or Edustack App have ads?

Neither AAPD Annual Session nor Edustack App shows ads.

### Which is updated more often, AAPD Annual Session or Edustack App?

AAPD Annual Session ships an update every 5 months, and Edustack App monthly. Most recently, AAPD Annual Session was updated on October 16, 2026 and Edustack App on September 24, 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.*