# HydraGO vs Control Feed

The clearest difference is update cadence: Control Feed at every 2 months against HydraGO's every 24 months. HydraGO's advantage is iOS requirement (9.0 vs 15.1). 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.

HydraGO ships an update every 24 months, Control Feed every 2 months. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | HydraGO | Control Feed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/control-feed/id1524038899/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 5 MB | 14 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stevens Water Monitoring Systems, Inc.](https://appshunter.io/developer/503634320) | [C-Lock Inc.](https://appshunter.io/developer/1524038901) |

## What reviewers say

### HydraGO

[App page](https://appshunter.io/ios/app/hydrago/id1435520710)

**Features:** macOS Compatibility

**In-app purchases:** none


### Control Feed

[App page](https://appshunter.io/ios/app/control-feed/id1524038899)

Connect to and manage specialized animal feeders and measurement devices. This Bluetooth Low Energy application allows for seamless interaction with C-Lock Inc.'s hardware.

**Highlights:** Bluetooth Low Energy connectivity, Manage specialized animal feeders, Control measurement devices, Compatible with C-Lock Inc. hardware, Device management

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

**In-app purchases:** none


## Frequently asked questions

### Is HydraGO free?

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

### Is Control Feed free?

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

### Do HydraGO or Control Feed have ads?

Neither HydraGO nor Control Feed shows ads.

### Which is updated more often, HydraGO or Control Feed?

HydraGO ships an update every 24 months, and Control Feed every 2 months. Most recently, HydraGO was updated on September 13, 2026 and Control Feed on September 26, 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.*