# SQLDOU vs 統計学の教科書（下）推測統計と多変量解析

SQLDOU and 統計学の教科書（下）推測統計と多変量解析 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SQLDOU sells 1 one-off in-app purchase and 統計学の教科書（下）推測統計と多変量解析 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | SQLDOU | 統計学の教科書（下）推測統計と多変量解析 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 12 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) | [QUSAMULAB](https://appshunter.io/developer/6783340205) |

## What reviewers say

### SQLDOU

[App page](https://appshunter.io/ios/app/sqldou/id6760616192)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SQLDOU Pro | $5.99 | one-time |


### 統計学の教科書（下）推測統計と多変量解析

[App page](https://appshunter.io/ios/app/id6814379375)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（全機能解放） | $2.99 | one-time |


## Frequently asked questions

### Is SQLDOU free?

SQLDOU is free to download, with in-app purchases available.

### Is 統計学の教科書（下）推測統計と多変量解析 free?

統計学の教科書（下）推測統計と多変量解析 is free to download, with in-app purchases available.

### Do SQLDOU or 統計学の教科書（下）推測統計と多変量解析 have ads?

Both SQLDOU and 統計学の教科書（下）推測統計と多変量解析 show ads.

### Which is updated more often, SQLDOU or 統計学の教科書（下）推測統計と多変量解析?

SQLDOU ships an update every 3 weeks, and 統計学の教科書（下）推測統計と多変量解析 every 3 weeks. Most recently, SQLDOU was updated on November 5, 2026 and 統計学の教科書（下）推測統計と多変量解析 on November 10, 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.*