# Simbl vs Sustainability Tracker

The clearest difference is iOS requirement: Sustainability Tracker at 12.4 against Simbl's 17.6. On price, update cadence, 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.

Simbl ships an update fortnightly, Sustainability Tracker monthly. The most recent releases landed on September 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Simbl | Sustainability Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 56 MB | 20 MB |
| Requires iOS | 17.6 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simbl](https://appshunter.io/developer/1659751193) | [SUSTAINABLE CHOICE GROUP PTY LTD](https://appshunter.io/developer/1704926158) |

## What reviewers say

### Simbl

[App page](https://appshunter.io/ios/app/simbl/id1659751191)

This app gamifies recycling by allowing users to scan products and QR codes to earn rewards. It offers challenges, avatar customization, and the ability to donate rewards to environmental causes. Make recycling fun and rewarding at home, school, or work.

**Highlights:** Scan products to identify recycling methods, Earn rewards points (SimBux) for recycling, Donate recycling rewards to environmental associations, Augmented Reality recycling at school, Challenge friends to recycling competitions, Customize and upgrade your avatar, Refer friends and track recycling history

**Features:** macOS Compatibility

**In-app purchases:** none


### Sustainability Tracker

[App page](https://appshunter.io/ios/app/sustainability-tracker/id6463763817)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simbl free?

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

### Is Sustainability Tracker free?

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

### Do Simbl or Sustainability Tracker have ads?

Neither Simbl nor Sustainability Tracker shows ads.

### Which is updated more often, Simbl or Sustainability Tracker?

Simbl ships an update fortnightly, and Sustainability Tracker monthly. Most recently, Simbl was updated on September 14, 2026 and Sustainability Tracker on September 29, 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.*