# IGARSS vs PDA Meetings

The clearest difference is ads: IGARSS at none against PDA Meetings's shown. IGARSS also leads on update cadence (every 6 weeks vs every 24 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

IGARSS ships an update every 6 weeks, PDA Meetings every 24 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | IGARSS | PDA Meetings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pda-meetings/id1474149900/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 24 months |
| Monetization | — | Ad-supported |
| Size | 95 MB | 46 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [Conference Management Services, Inc.](https://appshunter.io/developer/1510471268) | [Pacific Dermatologic Association](https://appshunter.io/developer/1414440909) |

## What reviewers say

### IGARSS

[App page](https://appshunter.io/ios/app/igarss/id1249450176)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### PDA Meetings

[App page](https://appshunter.io/ios/app/pda-meetings/id1474149900)

This app provides attendees with access to conference schedules, presentations, exhibitor information, and speaker details. It's designed exclusively for participants of the Pacific Dermatologic Association conference.

**Highlights:** View conference schedule, Access presentations, Browse exhibitor details, See speaker information, Exclusive for attendees

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IGARSS free?

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

### Is PDA Meetings free?

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

### Do IGARSS or PDA Meetings have ads?

PDA Meetings shows ads; IGARSS does not.

### Which is updated more often, IGARSS or PDA Meetings?

IGARSS ships an update every 6 weeks, and PDA Meetings every 24 months. Most recently, IGARSS was updated on October 29, 2026 and PDA Meetings on October 29, 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.*