# Fill it Forward vs Kallova

The clearest difference is review sentiment: Kallova at 100% against Fill it Forward's 38%. Kallova also leads on rating (5.0 vs 3.4) and update cadence (every 2 weeks vs monthly). Fill it Forward's advantage is device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Kallova holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 16 and 8 respectively. Written reviews point the same way: 38% of Fill it Forward's written reviews are positive against 100% of Kallova's.

Fill it Forward ships an update monthly, Kallova every 2 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Fill it Forward | Kallova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (16 ratings)](https://appshunter.io/ios/app/fill-it-forward/id1375687335/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/kallova/id6793250281/reviews)** |
| Number of ratings | **16** | 8 |
| Positive reviews | 37.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 184 MB | 68 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Green Menu Inc.](https://appshunter.io/developer/966545400) | [Kallova LLC](https://appshunter.io/developer/6793250283) |

## What reviewers say

### Fill it Forward

[App page](https://appshunter.io/ios/app/fill-it-forward/id1375687335)

This app connects you to a community focused on giving back and environmental responsibility. Track your positive impact, contribute to charitable projects, and stay hydrated by scanning your reusable bottle or sticker.

**Highlights:** Contribute to charitable projects, Track environmental impact, Join community groups and leaderboards, Monitor beverage consumption, Earn status levels and discounts, Enter community draws, Find refill stations

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

**In-app purchases:** none

**What reviewers like**

- 💚 Meaningful environmental and social impact mission
- 💧 Motivates increased water consumption and hydration
- 🎯 Simple scanning concept for tracking reuses
- 🏆 Gamification features with groups and leaderboards
- 📊 Visual impact tracking showing environmental savings

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- 📱 White screen/blank screen issues on launch
- 📷 Camera/scanner consistently fails to read QR codes
- ⏱️ Extremely slow loading times and performance lag
- 🔄 Data tracking inaccuracies and lost records

**Reported bugs**

- Camera scanner won't focus or read QR codes
- App crashes immediately after scanning
- White/blank screen appears on app launch
- Reuse data shows zero or incorrect values
- Profile picture cannot be saved

**Requested features**

- Add friends and create private group competitions
- Monthly/yearly impact statistics and history logs
- Daily water intake tracking by day/month/year
- Integration with Apple Health app for water tracking
- Support for multiple bottles with different sizes


### Kallova

[App page](https://appshunter.io/ios/app/kallova/id6793250281)

Book yard care services like mowing, leaf blowing, and snow removal instantly from your phone. Get upfront pricing based on aerial measurements and track your service provider's arrival in real-time. Secure in-app payments handle all transactions.

**Highlights:** Instant aerial yard measurement, Upfront pricing, Book one-time or recurring services, Track service provider arrival, Secure in-app payments, Lawn mowing, leaf blowing, snow removal

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Fill it Forward free?

Fill it Forward is free to download, with no in-app purchases.

### Is Kallova free?

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

### Which has better reviews, Fill it Forward or Kallova?

Kallova is rated higher. Fill it Forward averages 3.4 out of 5 from 16 ratings, while Kallova averages 5.0 from 8 ratings.

### Do Fill it Forward or Kallova have ads?

Neither Fill it Forward nor Kallova shows ads.

### Which is updated more often, Fill it Forward or Kallova?

Fill it Forward ships an update monthly, and Kallova every 2 weeks. Most recently, Fill it Forward was updated on October 24, 2026 and Kallova on October 20, 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.*