# ZenConfig vs Access Control System

The clearest difference is update cadence: Access Control System at every 2 days against ZenConfig's every 4 months. ZenConfig's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, 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.

ZenConfig ships an update every 4 months, Access Control System every 2 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ZenConfig | Access Control System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zenconfig/id1513854657/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 7 MB | 13 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zenseio LLC](https://appshunter.io/developer/1513854656) | [Silver Pine Software](https://appshunter.io/developer/816032614) |

## What reviewers say

### ZenConfig

[App page](https://appshunter.io/ios/app/zenconfig/id1513854657)

Configure and monitor Zenseio telemetry and sensor devices. This utility app allows users to read device status and adjust various settings. Requires iPhone 7 or higher with iOS 13 for NFC functionality.

**Highlights:** Read device status, Change configuration settings, NFC support, Device monitoring, Telemetry data reading

**Features:** macOS Compatibility

**In-app purchases:** none


### Access Control System

[App page](https://appshunter.io/ios/app/access-control-system/id6479964268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZenConfig free?

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

### Is Access Control System free?

Access Control System is free to download, with no in-app purchases.

### Do ZenConfig or Access Control System have ads?

Neither ZenConfig nor Access Control System shows ads.

### Which is updated more often, ZenConfig or Access Control System?

ZenConfig ships an update every 4 months, and Access Control System every 2 days. Most recently, ZenConfig was updated on October 8, 2026 and Access Control System on September 30, 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.*