# PDI Events vs Arrowfly

PDI Events and Arrowfly are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDI Events | Arrowfly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/pdi-events/id1477209735/reviews)** | — |
| Number of ratings | **20** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 76 MB | 78 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PDI Technologies, Inc.](https://appshunter.io/developer/1398042775) | [Arrowfly](https://appshunter.io/developer/401827201) |

## What reviewers say

### PDI Events

[App page](https://appshunter.io/ios/app/pdi-events/id1477209735)

Enhance your experience at PDI Technologies events. Manage your schedule, access session materials, and engage with speakers and other attendees through interactive features like polling and Q&A.

**Highlights:** Personalized event schedule management, Access to speaker information, Downloadable session materials, Session check-in functionality, Real-time event updates, Interactive Q&A and polling

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

**In-app purchases:** none


### Arrowfly

[App page](https://appshunter.io/ios/app/arrowfly/id1671083281)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDI Events free?

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

### Is Arrowfly free?

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

### Do PDI Events or Arrowfly have ads?

Neither PDI Events nor Arrowfly shows ads.

### Which is updated more often, PDI Events or Arrowfly?

PDI Events ships an update every 3 months, and Arrowfly every 3 months. Most recently, PDI Events was updated on October 7, 2026 and Arrowfly on October 25, 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.*