# IST vs AC Nio Admin

The clearest difference is iOS requirement: IST at 9.0 against AC Nio Admin's 15.6. 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.

IST ships an update every 37 months, AC Nio Admin every 28 months. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | IST | AC Nio Admin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ac-nio-admin/id6456705466/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 28 months** |
| Monetization | — | Free |
| Size | 137 MB | 39 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IST-MyDoor](https://appshunter.io/developer/1370246239) | [Aiphone Corporation](https://appshunter.io/developer/964569222) |

## What reviewers say

### IST

[App page](https://appshunter.io/ios/app/ist-view/id1450580106)

**Features:** macOS Compatibility

**In-app purchases:** none


### AC Nio Admin

[App page](https://appshunter.io/ios/app/ac-nio-admin/id6456705466)

This app allows users to manage and monitor multiple AC NIO instances. You can view the status of doors, floors, inputs, and outputs, and even override them. User management and access to recent reports are also included.

**Highlights:** Manage multiple AC NIO instances, View status of doors, floors, inputs, outputs, Override and resume system components, Manage users and credentials, Access recent reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IST free?

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

### Is AC Nio Admin free?

AC Nio Admin is free to download, with no in-app purchases.

### Do IST or AC Nio Admin have ads?

Neither IST nor AC Nio Admin shows ads.

### Which is updated more often, IST or AC Nio Admin?

IST ships an update every 37 months, and AC Nio Admin every 28 months. Most recently, IST was updated on September 9, 2026 and AC Nio Admin on September 14, 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.*