# iDocSet vs Garbage classification

The clearest difference is price: iDocSet at Free against Garbage classification's $0.99. iDocSet also leads on ads (none vs shown). Garbage classification's advantage is review sentiment (86% vs 57%) and update cadence (every 3 weeks vs every 2 months). On in-app purchases, device support and iOS requirement there is nothing between them.

iDocSet is free to download; Garbage classification costs $0.99 up front. iDocSet sells 1 in-app purchase, starting at $9.99 per year and Garbage classification sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iDocSet ships an update every 2 months, Garbage classification every 3 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | iDocSet | Garbage classification |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.1 (8 ratings)](https://appshunter.io/ios/app/garbage-classification/id1468999931/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 57.1% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Subscription | **Paid** |
| Size | 34 MB | 30 MB |
| Requires iOS | 11.2 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [建军 赵](https://appshunter.io/developer/646573154) | [希 陈](https://appshunter.io/developer/1353019342) |

## What reviewers say

### iDocSet

[App page](https://appshunter.io/ios/app/idocset/id646573151)

Access and browse a vast library of offline documentation on your mobile device. Search across multiple docsets, bookmark important entries, and filter results for quick access to API interfaces and developer guides.

**Highlights:** Offline docset browsing, Support for Apple Developer Documentation, Over 50 docsets available (HTML, CSS, C++, Go, Rust, etc.), Hierarchical and API interface browsing, Keyword filtering, Cross-docset search, iCloud bookmark synchronization

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual membership | $9.99 | per year |


### Garbage classification

[App page](https://appshunter.io/ios/app/garbage-classification/id1468999931)

This app helps you identify and sort garbage using your phone's camera. It uses machine learning to recognize waste items and provides fast search functionality for classification. Get accurate sorting guidance to avoid fines and contribute to better waste management.

**Highlights:** AI-powered garbage recognition, One-click photo identification, Fast garbage classification search, Supports 3D Touch for quick access, Database enrichment via user feedback

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 请作者吃包辣条￥6 | $0.99 | one-time |
| 送作者一杯饮料￥1 | $0.99 | one-time |
| 垃圾分类助手去广告 | $0.99 | one-time |


## Frequently asked questions

### Is iDocSet free?

iDocSet is free to download, with in-app purchases available.

### Is Garbage classification free?

Garbage classification costs $0.99, and also offers in-app purchases.

### Do iDocSet or Garbage classification have ads?

Garbage classification shows ads; iDocSet does not.

### Which is updated more often, iDocSet or Garbage classification?

iDocSet ships an update every 2 months, and Garbage classification every 3 weeks. Most recently, iDocSet was updated on September 19, 2026 and Garbage classification on September 22, 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.*