# Decision Support 1 vs うさおのロト６

The clearest difference is in-app purchases: Decision Support 1 at none against うさおのロト６'s 1. Decision Support 1 also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. うさおのロト６ sells 1 in-app purchase, starting at $2.49 per month. Decision Support 1 asks for nothing beyond the download.

Decision Support 1 ships an update fortnightly, うさおのロト６ every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Decision Support 1 | うさおのロト６ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 11 MB | 162 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Toshio Hironaga](https://appshunter.io/developer/1223479095) | [Mitsuhiro Nakaya](https://appshunter.io/developer/1590140804) |

## What reviewers say

### Decision Support 1

[App page](https://appshunter.io/ios/app/decision-support-1/id1231963421)

**Features:** macOS Compatibility

**In-app purchases:** none


### うさおのロト６

[App page](https://appshunter.io/ios/app/id1595247158)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| １ヶ月プラン | $2.49 | per month |


## Frequently asked questions

### Is Decision Support 1 free?

Decision Support 1 is free to download, with no in-app purchases.

### Is うさおのロト６ free?

うさおのロト６ is free to download, with in-app purchases available.

### Do Decision Support 1 or うさおのロト６ have ads?

Neither Decision Support 1 nor うさおのロト６ shows ads.

### Which is updated more often, Decision Support 1 or うさおのロト６?

Decision Support 1 ships an update fortnightly, and うさおのロト６ every 6 weeks. Most recently, Decision Support 1 was updated on November 2, 2026 and うさおのロト６ on November 3, 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.*