# Garbage classification guide vs 认知卡片

The clearest difference is in-app purchases: 认知卡片 at none against Garbage classification guide's 1. 认知卡片 also leads on update cadence (every 2 weeks vs every 35 months). Garbage classification guide's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Garbage classification guide sells 1 one-off in-app purchase. 认知卡片 asks for nothing beyond the download.

Garbage classification guide ships an update every 35 months, 认知卡片 every 2 weeks. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Garbage classification guide | 认知卡片 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 35 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昆 李](https://appshunter.io/developer/1480980920) | [浩杰 姬](https://appshunter.io/developer/1514456091) |

## What reviewers say

### Garbage classification guide

[App page](https://appshunter.io/ios/app/garbage-classification-guide/id1471588754)

Learn to sort waste with this app. It helps you quickly identify how to classify different types of garbage, supporting urban waste separation programs. Practice daily to protect your environment.

**Highlights:** Quick garbage classification query, Text input with fuzzy matching, Learn waste sorting categories, Daily practice exercises, Supports urban waste management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | one-time |


### 认知卡片

[App page](https://appshunter.io/ios/app/id6444744391)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Garbage classification guide free?

Garbage classification guide is free to download, with in-app purchases available.

### Is 认知卡片 free?

认知卡片 is free to download, with no in-app purchases.

### Do Garbage classification guide or 认知卡片 have ads?

认知卡片 shows ads; Garbage classification guide does not.

### Which is updated more often, Garbage classification guide or 认知卡片?

Garbage classification guide ships an update every 35 months, and 认知卡片 every 2 weeks. Most recently, Garbage classification guide was updated on September 17, 2026 and 认知卡片 on September 15, 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.*