# Sensor Technology Engineering vs Infrascale Online Backup

Sensor Technology Engineering and Infrascale Online Backup are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Sensor Technology Engineering | Infrascale Online Backup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 94 MB | 13 MB |
| Requires iOS | 13.0 | **12.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sensor Technology Engineering](https://appshunter.io/developer/1668239053) | [Infrascale, Inc.](https://appshunter.io/developer/328057516) |

## What reviewers say

### Sensor Technology Engineering

[App page](https://appshunter.io/ios/app/sensor-technology-engineering/id1627959712)

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

**In-app purchases:** none


### Infrascale Online Backup

[App page](https://appshunter.io/ios/app/infrascale-online-backup/id6476917153)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Technology Engineering free?

Sensor Technology Engineering is free to download, with no in-app purchases.

### Is Infrascale Online Backup free?

Infrascale Online Backup is free to download, with no in-app purchases.

### Do Sensor Technology Engineering or Infrascale Online Backup have ads?

Neither Sensor Technology Engineering nor Infrascale Online Backup shows ads.

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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.*