# SPIE Conferences vs IPC Shows

The clearest difference is ads: SPIE Conferences at none against IPC Shows's shown. SPIE Conferences also leads on update cadence (every 3 weeks vs every 3 months). IPC Shows's advantage is iOS requirement (10.0 vs 14.0). On price, 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.

SPIE Conferences ships an update every 3 weeks, IPC Shows every 3 months. The most recent releases landed on November 6, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SPIE Conferences | IPC Shows |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/spie-conferences/id349678364/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 143 MB | 61 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [SPIE](https://appshunter.io/developer/349678367) | [IPC International, Inc.](https://appshunter.io/developer/947095434) |

## What reviewers say

### SPIE Conferences

[App page](https://appshunter.io/ios/app/spie-conferences/id349678364)

Access comprehensive program and exhibition guides for all SPIE conferences and events. Organize your schedule, take notes, and find exhibitors with interactive floor plans. Stay informed about upcoming sessions and connect with the optics and photonics community.

**Highlights:** Complete conference programs, Sync schedule between devices, Event reminders, Add notes to events and exhibitors, Search and filter options, Venue floor plans

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

**In-app purchases:** none


### IPC Shows

[App page](https://appshunter.io/ios/app/ipc-shows/id947095435)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPIE Conferences free?

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

### Is IPC Shows free?

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

### Do SPIE Conferences or IPC Shows have ads?

IPC Shows shows ads; SPIE Conferences does not.

### Which is updated more often, SPIE Conferences or IPC Shows?

SPIE Conferences ships an update every 3 weeks, and IPC Shows every 3 months. Most recently, SPIE Conferences was updated on November 6, 2026 and IPC Shows on October 26, 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.*