# FerrellFill vs Sparrow Kiosk

The clearest difference is update cadence: Sparrow Kiosk at fortnightly against FerrellFill's every 39 months. Sparrow Kiosk also leads on iOS requirement (13.0 vs 16.4). 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.

FerrellFill ships an update every 39 months, Sparrow Kiosk fortnightly. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FerrellFill | Sparrow Kiosk |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 80 MB | 23 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reseau sans fil Otodata Inc](https://appshunter.io/developer/1022440536) | [Ingage, LLC](https://appshunter.io/developer/1017166325) |

## 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


### Sparrow Kiosk

[App page](https://appshunter.io/ios/app/sparrow-kiosk/id6733248131)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FerrellFill free?

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

### Is Sparrow Kiosk free?

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

### Do FerrellFill or Sparrow Kiosk have ads?

Neither FerrellFill nor Sparrow Kiosk shows ads.

### Which is updated more often, FerrellFill or Sparrow Kiosk?

FerrellFill ships an update every 39 months, and Sparrow Kiosk fortnightly. Most recently, FerrellFill was updated on October 24, 2026 and Sparrow Kiosk on October 4, 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.*