# Garbage classification guide vs Dark Memos

The clearest difference is ads: Garbage classification guide at none against Dark Memos's shown. Dark Memos's advantage is iOS requirement (11.0 vs 13.0). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Garbage classification guide sells 1 one-off in-app purchase and Dark Memos sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Garbage classification guide ships an update every 35 months, Dark Memos every 33 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Garbage classification guide | Dark Memos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dark-memos/id1495559965/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 35 months | **Every 33 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 16 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昆 李](https://appshunter.io/developer/1480980920) | [tadashi atoji](https://appshunter.io/developer/431510057) |

## 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 |


### Dark Memos

[App page](https://appshunter.io/ios/app/dark-memos/id1495559965)

Create handwritten notes with a dark background. Organize your notes using folders. Ads are present but can be removed with an add-on purchase.

**Highlights:** Handwritten notes, Black background theme, Folder organization, Ad-supported, Ad-on to hide ads

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Garbage classification guide free?

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

### Is Dark Memos free?

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

### Do Garbage classification guide or Dark Memos have ads?

Dark Memos shows ads; Garbage classification guide does not.

### Which is updated more often, Garbage classification guide or Dark Memos?

Garbage classification guide ships an update every 35 months, and Dark Memos every 33 months. Most recently, Garbage classification guide was updated on September 17, 2026 and Dark Memos on September 18, 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.*