# FerrellFill vs Co

The clearest difference is rating: Co at 3.8 against FerrellFill's 1.2. Co also leads on update cadence (every 3 months vs every 39 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Co holds the better App Store score, 3.8 against 1.2. Both are backed by a comparable volume of ratings — 26 and 11 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

FerrellFill ships an update every 39 months, Co every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FerrellFill | Co |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (26 ratings)](https://appshunter.io/ios/app/ferrellfill/id1508219899/reviews) | **[3.8 (11 ratings)](https://appshunter.io/ios/app/co-mo-connect-shield/id6449221042/reviews)** |
| Number of ratings | **26** | 11 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 80 MB | 138 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reseau sans fil Otodata Inc](https://appshunter.io/developer/1022440536) | [Co-Mo Connect](https://appshunter.io/developer/1688171106) |

## What reviewers say

### FerrellFill

[App page](https://appshunter.io/ios/app/ferrellfill/id1508219899)

Easily monitor your tank levels in real-time from your smartphone. Get instant readings, track historical usage, and receive alerts for low levels. Request service or refills with a single tap.

**Highlights:** Real-time tank level tracking, Historical usage data (3 months), Configurable low-level alerts, One-tap supplier contact, Multi-tank management, Share data with up to 3 users

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

**In-app purchases:** none


### Co

[App page](https://appshunter.io/ios/app/co-mo-connect-shield/id6449221042)

Manage your home network with this smart home application. It provides features like parental controls, network security, and the ability to set up guest Wi-Fi networks. Users can also manage their network's SSID.

**Highlights:** Parental controls, Network security, Guest Wi-Fi setup, SSID management, Home network management

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FerrellFill free?

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

### Is Co free?

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

### Which has better reviews, FerrellFill or Co?

Co is rated higher. FerrellFill averages 1.2 out of 5 from 26 ratings, while Co averages 3.8 from 11 ratings.

### Do FerrellFill or Co have ads?

Neither FerrellFill nor Co shows ads.

### Which is updated more often, FerrellFill or Co?

FerrellFill ships an update every 39 months, and Co every 3 months. Most recently, FerrellFill was updated on October 29, 2026 and Co on October 24, 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.*