# Study Companion AI vs ZotBins

The clearest difference is in-app purchases: ZotBins at none against Study Companion AI's 3. ZotBins also leads on update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Study Companion AI sells 3 in-app purchases, starting at $2.99 per 7 days. ZotBins asks for nothing beyond the download.

Study Companion AI ships an update every 2 months, ZotBins every 2 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Study Companion AI | ZotBins |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/zotbins/id6743295314/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 72 MB | 68 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maher Safadi](https://appshunter.io/developer/1679749415) | [Heat Studio LLC](https://appshunter.io/developer/1766372656) |

## What reviewers say

### Study Companion AI

[App page](https://appshunter.io/ios/app/study-companion-ai-studycat/id6447370429)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyCat Pro Weekly | $2.99 | per 7 days |
| StudyCat Pro Monthly | $6.99 | per month |
| StudyCat Pro Annually | $69.99 | per year |


### ZotBins

[App page](https://appshunter.io/ios/app/zotbins/id6743295314)

This app helps users learn about proper waste disposal and improve recycling habits through gamified challenges and educational quizzes. Users can scan waste items, compete on leaderboards, and track their environmental impact.

**Highlights:** Camera scanner for waste item classification, Points system for correct disposal, Campus-wide and friend leaderboards, Sustainability quizzes, Waste diversion data tracking, Rewards and benefits for users

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Study Companion AI free?

Study Companion AI is free to download, with in-app purchases available.

### Is ZotBins free?

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

### Do Study Companion AI or ZotBins have ads?

Neither Study Companion AI nor ZotBins shows ads.

### Which is updated more often, Study Companion AI or ZotBins?

Study Companion AI ships an update every 2 months, and ZotBins every 2 days. Most recently, Study Companion AI was updated on November 7, 2026 and ZotBins on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*