# Bigbelly Smart Compost vs SF Study

The clearest difference is rating: SF Study at 5.0 against Bigbelly Smart Compost's 3.1. SF Study also leads on update cadence (every 6 weeks vs every 3 months). Bigbelly Smart Compost's advantage is ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SF Study holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Bigbelly Smart Compost has 9 ratings behind it against 1, so its average is the more settled of the two.

Bigbelly Smart Compost ships an update every 3 months, SF Study every 6 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Bigbelly Smart Compost | SF Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (9 ratings)](https://appshunter.io/ios/app/bigbelly-smart-compost/id1587527579/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sf-study-parent-hub/id6473803780/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 26 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Big Belly Solar, LLC](https://appshunter.io/developer/1794416532) | [dfusion, Inc](https://appshunter.io/developer/1532980185) |

## What reviewers say

### Bigbelly Smart Compost

[App page](https://appshunter.io/ios/app/bigbelly-smart-compost/id1587527579)

Locate and access smart compost bins worldwide. Learn about local composting programs, bin usage, and accepted materials. Report any issues encountered with the bins.

**Highlights:** Find compost drop-off locations, Unlock curbside bins, Learn about composting programs, Get bin usage instructions, Check accepted materials, Report bin issues

**In-app purchases:** none


### SF Study

[App page](https://appshunter.io/ios/app/sf-study-parent-hub/id6473803780)

This app provides parents of youth with Autism Spectrum Disorder (ASD) with resources to learn about and discuss various topics. It aims to facilitate communication and understanding between parents and their children.

**Highlights:** Learn about topics relevant to youth with ASD, Facilitate communication with youth, Support for parents of children with ASD, Resource hub for ASD-related discussions

**In-app purchases:** none


## Frequently asked questions

### Is Bigbelly Smart Compost free?

Bigbelly Smart Compost is free to download, with no in-app purchases.

### Is SF Study free?

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

### Which has better reviews, Bigbelly Smart Compost or SF Study?

SF Study is rated higher. Bigbelly Smart Compost averages 3.1 out of 5 from 9 ratings, while SF Study averages 5.0 from 1 ratings.

### Do Bigbelly Smart Compost or SF Study have ads?

Neither Bigbelly Smart Compost nor SF Study shows ads.

### Which is updated more often, Bigbelly Smart Compost or SF Study?

Bigbelly Smart Compost ships an update every 3 months, and SF Study every 6 weeks. Most recently, Bigbelly Smart Compost was updated on November 3, 2026 and SF Study on November 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.*