# EventSync vs Simpson Thacher Events

The clearest difference is update cadence: EventSync at every 3 weeks against Simpson Thacher Events's every 5 months. EventSync also leads on iOS requirement (11.0 vs 17.0). 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.

EventSync ships an update every 3 weeks, Simpson Thacher Events every 5 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | EventSync | Simpson Thacher Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/eventsync/id1662716939/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 120 MB | 76 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lenos Software](https://appshunter.io/developer/1447958673) | [Simpson Thacher & Bartlett LLP](https://appshunter.io/developer/1764537506) |

## What reviewers say

### EventSync

[App page](https://appshunter.io/ios/app/eventsync/id1662716939)

Stay connected and personalize your event experience with real-time synchronization of sessions and agendas. This app offers a seamless way to manage your event participation.

**Highlights:** Real-time synchronization, Personalized event experience, Session management, Agenda management, NexGen Native App

**In-app purchases:** none


### Simpson Thacher Events

[App page](https://appshunter.io/ios/app/simpson-thacher-events/id6657989267)

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

**In-app purchases:** none


## Frequently asked questions

### Is EventSync free?

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

### Is Simpson Thacher Events free?

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

### Do EventSync or Simpson Thacher Events have ads?

Neither EventSync nor Simpson Thacher Events shows ads.

### Which is updated more often, EventSync or Simpson Thacher Events?

EventSync ships an update every 3 weeks, and Simpson Thacher Events every 5 months. Most recently, EventSync was updated on October 16, 2026 and Simpson Thacher Events on October 3, 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.*