# SL拡大鏡 vs O'der stack

The clearest difference is in-app purchases: SL拡大鏡 at none against O'der stack's 3. SL拡大鏡 also leads on iOS requirement (12.0 vs 15.6). O'der stack's advantage is ads (none vs shown) and update cadence (every 3 months vs every 57 months). On price and device support there is nothing between them.

Both are free to download. O'der stack sells 3 one-off in-app purchases. SL拡大鏡 asks for nothing beyond the download.

SL拡大鏡 ships an update every 57 months, O'der stack every 3 months. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SL拡大鏡 | O'der stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 57 months | **Every 3 months** |
| Size | 2 MB | 59 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hiyoshi kiyotaka](https://appshunter.io/developer/952244533) | [ICT Fractal Inc.](https://appshunter.io/developer/473613262) |

## What reviewers say

### SL拡大鏡

[App page](https://appshunter.io/ios/app/sl/id1071725585)

**Features:** macOS Compatibility

**In-app purchases:** none


### O'der stack

[App page](https://appshunter.io/ios/app/oder-stack/id1449798272)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free trial for 7 days. | Free | one-time |
| Activate for 1 month. | $0.99 | one-time |
| Activate for year. | $9.99 | one-time |


## Frequently asked questions

### Is SL拡大鏡 free?

SL拡大鏡 is free to download, with no in-app purchases.

### Is O'der stack free?

O'der stack is free to download, with in-app purchases available.

### Do SL拡大鏡 or O'der stack have ads?

SL拡大鏡 shows ads; O'der stack does not.

### Which is updated more often, SL拡大鏡 or O'der stack?

SL拡大鏡 ships an update every 57 months, and O'der stack every 3 months. Most recently, SL拡大鏡 was updated on October 5, 2026 and O'der stack on October 1, 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.*