# FerrellFill vs Alliot

The clearest difference is in-app purchases: FerrellFill at none against Alliot's 3. Alliot's advantage is update cadence (weekly vs every 39 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Alliot sells 3 in-app purchases, starting at $9.99 per month. FerrellFill asks for nothing beyond the download.

FerrellFill ships an update every 39 months, Alliot weekly. The most recent releases landed on October 29, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | FerrellFill | Alliot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (26 ratings)](https://appshunter.io/ios/app/ferrellfill/id1508219899/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Weekly** |
| Monetization | Free | — |
| Size | 80 MB | 78 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Reseau sans fil Otodata Inc](https://appshunter.io/developer/1022440536) | [安聯物聯(香港)科技有限公司](https://appshunter.io/developer/1870775356) |

## 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


### Alliot

[App page](https://appshunter.io/ios/app/alliot/id6758081322)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Quarterly | $24.99 | per 3 months |
| Annual | $89.99 | per year |


## Frequently asked questions

### Is FerrellFill free?

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

### Is Alliot free?

Alliot is free to download, with in-app purchases available.

### Do FerrellFill or Alliot have ads?

Neither FerrellFill nor Alliot shows ads.

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

FerrellFill ships an update every 39 months, and Alliot weekly. Most recently, FerrellFill was updated on October 29, 2026 and Alliot on October 16, 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.*