# OnlineSensor vs Flash Smart Guard

The clearest difference is update cadence: Flash Smart Guard at every 2 months against OnlineSensor's every 5 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.

OnlineSensor ships an update every 5 months, Flash Smart Guard every 2 months. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | OnlineSensor | Flash Smart Guard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 52 MB | 58 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hitma B.V.](https://appshunter.io/developer/1670143002) | [Flash Private Mobile Networks](https://appshunter.io/developer/1186254979) |

## What reviewers say

### OnlineSensor

[App page](https://appshunter.io/ios/app/onlinesensor/id1627034441)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash Smart Guard

[App page](https://appshunter.io/ios/app/flash-smart-guard/id6465175624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnlineSensor free?

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

### Is Flash Smart Guard free?

Flash Smart Guard is free to download, with no in-app purchases.

### Do OnlineSensor or Flash Smart Guard have ads?

Neither OnlineSensor nor Flash Smart Guard shows ads.

### Which is updated more often, OnlineSensor or Flash Smart Guard?

OnlineSensor ships an update every 5 months, and Flash Smart Guard every 2 months. Most recently, OnlineSensor was updated on September 8, 2026 and Flash Smart Guard on September 11, 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.*