# DataOnline Asset Viewer vs Flex Controller

The clearest difference is update cadence: DataOnline Asset Viewer at every 2 months against Flex Controller's every 13 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.

DataOnline Asset Viewer ships an update every 2 months, Flex Controller every 13 months. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DataOnline Asset Viewer | Flex Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (5 ratings)](https://appshunter.io/ios/app/dataonline-asset-viewer/id1296279142/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | — |
| Size | 21 MB | 31 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DataOnline LLC](https://appshunter.io/developer/1296279141) | [Poolsure, a division of Aquasol Controllers, Inc.](https://appshunter.io/developer/1545322313) |

## What reviewers say

### DataOnline Asset Viewer

[App page](https://appshunter.io/ios/app/dataonline-asset-viewer/id1296279142)

Access critical information and manage alerts remotely. This mobile tool allows users to view and acknowledge notifications, alarms, and alerts on their iPhone for quick decision-making.

**Highlights:** View notifications, alerts, and alarms, Acknowledge critical information, Remote access to data, On-the-go functionality, Quick decision-making support

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex Controller

[App page](https://appshunter.io/ios/app/flex-controller/id6741504172)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DataOnline Asset Viewer free?

DataOnline Asset Viewer is free to download, with no in-app purchases.

### Is Flex Controller free?

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

### Do DataOnline Asset Viewer or Flex Controller have ads?

Neither DataOnline Asset Viewer nor Flex Controller shows ads.

### Which is updated more often, DataOnline Asset Viewer or Flex Controller?

DataOnline Asset Viewer ships an update every 2 months, and Flex Controller every 13 months. Most recently, DataOnline Asset Viewer was updated on September 30, 2026 and Flex Controller on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*