# NTT DATA Events vs ISG Events

The clearest difference is iOS requirement: NTT DATA Events at 11.0 against ISG Events's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

NTT DATA Events ships an update every 6 months, ISG Events every 5 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NTT DATA Events | ISG Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Size | 48 MB | 16 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [NTT DATA](https://appshunter.io/developer/1236266706) | [Information Services Group, Inc.](https://appshunter.io/developer/1357561131) |

## What reviewers say

### NTT DATA Events

[App page](https://appshunter.io/ios/app/ntt-data-events/id6744640660)

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

**In-app purchases:** none


### ISG Events

[App page](https://appshunter.io/ios/app/isg-events/id6759922808)

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

**In-app purchases:** none


## Frequently asked questions

### Is NTT DATA Events free?

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

### Is ISG Events free?

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

### Do NTT DATA Events or ISG Events have ads?

Neither NTT DATA Events nor ISG Events shows ads.

### Which is updated more often, NTT DATA Events or ISG Events?

NTT DATA Events ships an update every 6 months, and ISG Events every 5 months. Most recently, NTT DATA Events was updated on October 30, 2026 and ISG Events on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*