# Acuity vs RENNtech HSM

The clearest difference is iOS requirement: Acuity at 14.0 against RENNtech HSM's 16.0. 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.

Acuity ships an update every 2 months, RENNtech HSM every 3 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Acuity | RENNtech HSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acuity-vct/id1569833429/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 6 MB | 4 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Acuity-vct, Inc.](https://appshunter.io/developer/901921616) | [Dian Esterhuyse](https://appshunter.io/developer/1715552648) |

## What reviewers say

### Acuity

[App page](https://appshunter.io/ios/app/acuity-vct/id1569833429)

Access live video feeds from security cameras connected to a compatible server. Monitor cameras, control PTZ movements, and receive alarm notifications. Customize camera layouts and save settings for easy access.

**Highlights:** Live camera viewing, PTZ camera control, Customizable camera layouts, Alarm notifications, Image capture, Server management

**In-app purchases:** none


### RENNtech HSM

[App page](https://appshunter.io/ios/app/renntech-hsm/id6471528927)

**In-app purchases:** none


## Frequently asked questions

### Is Acuity free?

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

### Is RENNtech HSM free?

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

### Do Acuity or RENNtech HSM have ads?

Neither Acuity nor RENNtech HSM shows ads.

### Which is updated more often, Acuity or RENNtech HSM?

Acuity ships an update every 2 months, and RENNtech HSM every 3 months. Most recently, Acuity was updated on November 3, 2026 and RENNtech HSM on November 8, 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.*