# Okayama Garbage Sorting App vs PlateMask

The clearest difference is ads: Okayama Garbage Sorting App at none against PlateMask's shown. Okayama Garbage Sorting App also leads on iOS requirement (15.6 vs 18.5). PlateMask's advantage is update cadence (every 9 days vs every 13 months). On price, in-app purchases and device support there is nothing between them.

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

Okayama Garbage Sorting App ships an update every 13 months, PlateMask every 9 days. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Okayama Garbage Sorting App | PlateMask |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OKAYAMA CITY](https://appshunter.io/developer/1473093731) | [BitLink Inc.](https://appshunter.io/developer/313155848) |

## What reviewers say

### Okayama Garbage Sorting App

[App page](https://appshunter.io/ios/app/okayama-garbage-sorting-app/id1124295406)

This app provides comprehensive information for Okayama City residents on garbage disposal. It includes collection schedules, sorting guides, disposal procedures, and FAQs, all accessible via smartphone for easy reference and recycling.

**Highlights:** Garbage collection calendar, Alerts for collection days, Garbage sorting reference, Recyclable resource location map, Disposal procedures, Frequently asked questions

**In-app purchases:** none


### PlateMask

[App page](https://appshunter.io/ios/app/platemask/id6756477458)

**In-app purchases:** none


## Frequently asked questions

### Is Okayama Garbage Sorting App free?

Okayama Garbage Sorting App is free to download, with no in-app purchases.

### Is PlateMask free?

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

### Do Okayama Garbage Sorting App or PlateMask have ads?

PlateMask shows ads; Okayama Garbage Sorting App does not.

### Which is updated more often, Okayama Garbage Sorting App or PlateMask?

Okayama Garbage Sorting App ships an update every 13 months, and PlateMask every 9 days. Most recently, Okayama Garbage Sorting App was updated on September 12, 2026 and PlateMask 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.*