# IoT SPC vs Senseca ACS Alert

The clearest difference is iOS requirement: IoT SPC at 13.0 against Senseca ACS Alert's 16.6. 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.

IoT SPC ships an update every 3 months, Senseca ACS Alert every 2 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | IoT SPC | Senseca ACS Alert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 16 MB | 15 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [aegkaluk soepapun](https://appshunter.io/developer/1473878810) | [ACS Control System GmbH](https://appshunter.io/developer/1558284532) |

## What reviewers say

### IoT SPC

[App page](https://appshunter.io/ios/app/iot-spc/id1473878811)

**Features:** macOS Compatibility

**In-app purchases:** none


### Senseca ACS Alert

[App page](https://appshunter.io/ios/app/senseca-acs-alert/id6754968258)

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

**In-app purchases:** none


## Frequently asked questions

### Is IoT SPC free?

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

### Is Senseca ACS Alert free?

Senseca ACS Alert is free to download, with no in-app purchases.

### Do IoT SPC or Senseca ACS Alert have ads?

Neither IoT SPC nor Senseca ACS Alert shows ads.

### Which is updated more often, IoT SPC or Senseca ACS Alert?

IoT SPC ships an update every 3 months, and Senseca ACS Alert every 2 months. Most recently, IoT SPC was updated on September 17, 2026 and Senseca ACS Alert on September 23, 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.*