# Machine Defender vs SS Society

The clearest difference is update cadence: SS Society at monthly against Machine Defender's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Machine Defender ships an update every 8 months, SS Society monthly. The most recent releases landed on June 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Machine Defender | SS Society |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/machine-defender/id1496754747/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free | — |
| Size | 274 MB | 29 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ACOEM Group](https://appshunter.io/developer/1495816959) | [Sentient Systems Private Limited](https://appshunter.io/developer/1826774654) |

## What reviewers say

### Machine Defender

[App page](https://appshunter.io/ios/app/machine-defender/id1496754747)

This app, used with a wireless vibration sensor, collects and analyzes vibration data from industrial rotating machinery. It automatically detects faults in components like motors and pumps, providing diagnostic reports and maintenance recommendations.

**Highlights:** Wireless vibration data collection, Automatic fault detection with AI, Machine health assessment, Maintenance recommendations, Report storage and sharing, Cloud platform connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### SS Society

[App page](https://appshunter.io/ios/app/ss-society/id6748818235)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Machine Defender free?

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

### Is SS Society free?

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

### Do Machine Defender or SS Society have ads?

Neither Machine Defender nor SS Society shows ads.

### Which is updated more often, Machine Defender or SS Society?

Machine Defender ships an update every 8 months, and SS Society monthly. Most recently, Machine Defender was updated on June 24, 2026 and SS Society on September 17, 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.*