# OSS vs 第三種冷凍機械責任者 | 2026年対策問題

The clearest difference is update cadence: 第三種冷凍機械責任者 | 2026年対策問題 at monthly against OSS's every 15 months. 第三種冷凍機械責任者 | 2026年対策問題 also leads on price ($1.99 vs $3.99). OSS's advantage is iOS requirement (15.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

OSS costs $3.99 and 第三種冷凍機械責任者 | 2026年対策問題 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OSS ships an update every 15 months, 第三種冷凍機械責任者 | 2026年対策問題 monthly. Both last shipped on October 7, 2026.

## The numbers

| Metric | OSS | 第三種冷凍機械責任者 | 2026年対策問題 |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 44 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Matsubara](https://appshunter.io/developer/1720755722) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### OSS

[App page](https://appshunter.io/ios/app/oss-db-silver/id6745166641)

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

**In-app purchases:** none


### 第三種冷凍機械責任者 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2026/id6774375685)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSS free?

OSS costs $3.99, with no in-app purchases.

### Is 第三種冷凍機械責任者 | 2026年対策問題 free?

第三種冷凍機械責任者 | 2026年対策問題 costs $1.99, with no in-app purchases.

### Do OSS or 第三種冷凍機械責任者 | 2026年対策問題 have ads?

Neither OSS nor 第三種冷凍機械責任者 | 2026年対策問題 shows ads.

### Which is updated more often, OSS or 第三種冷凍機械責任者 | 2026年対策問題?

OSS ships an update every 15 months, and 第三種冷凍機械責任者 | 2026年対策問題 monthly. Most recently, OSS was updated on October 7, 2026 and 第三種冷凍機械責任者 | 2026年対策問題 on October 7, 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.*