# monOPUS vs SQY TRI

The clearest difference is update cadence: monOPUS at every 2 months against SQY TRI's every 4 months. SQY TRI's advantage is iOS requirement (12.0 vs 15.1). On price, ads, 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.

monOPUS ships an update every 2 months, SQY TRI every 4 months. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | monOPUS | SQY TRI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 35 MB | 22 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPUS GROUPE](https://appshunter.io/developer/1488741845) | [SQY](https://appshunter.io/developer/924443484) |

## What reviewers say

### monOPUS

[App page](https://appshunter.io/ios/app/monopus/id1488741966)

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

**In-app purchases:** none


### SQY TRI

[App page](https://appshunter.io/ios/app/sqy-tri/id1601272607)

This app provides personalized waste management information for your location. Get collection schedules, find drop-off points, learn sorting rules, and discover ways to reduce, reuse, and recycle.

**Highlights:** Personalized collection schedules, Waste sorting guide, Recycling and reuse tips, Drop-off point locator, Waste facility information, Service request management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is monOPUS free?

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

### Is SQY TRI free?

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

### Do monOPUS or SQY TRI have ads?

Neither monOPUS nor SQY TRI shows ads.

### Which is updated more often, monOPUS or SQY TRI?

monOPUS ships an update every 2 months, and SQY TRI every 4 months. Most recently, monOPUS was updated on September 28, 2026 and SQY TRI on October 2, 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.*