# shadoco vs パターン・ビルダー

The clearest difference is iOS requirement: shadoco at 15.0 against パターン・ビルダー's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

shadoco ships an update weekly, パターン・ビルダー every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | shadoco | パターン・ビルダー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | — |
| Size | 80 MB | 184 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALC PRESS, INC.](https://appshunter.io/developer/311444037) | [Morrow World Inc.](https://appshunter.io/developer/1552662827) |

## What reviewers say

### shadoco

[App page](https://appshunter.io/ios/app/shadoco/id6791490582)

This app uses the shadowing technique to improve English listening comprehension. It guides users through a 5-step process, with AI feedback on pronunciation and listening accuracy. Designed for busy individuals, it offers adjustable playback speeds and progress tracking.

**Highlights:** Shadowing technique for listening improvement, 5-step guided learning process, AI pronunciation and listening analysis, Adjustable playback speed (0.5x-2.0x), Progress tracking and learning records, Script display options (English/Japanese)

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

**In-app purchases:** none


### パターン・ビルダー

[App page](https://appshunter.io/ios/app/id6815654531)

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

**In-app purchases:** none


## Frequently asked questions

### Is shadoco free?

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

### Is パターン・ビルダー free?

パターン・ビルダー is free to download, with no in-app purchases.

### Do shadoco or パターン・ビルダー have ads?

Neither shadoco nor パターン・ビルダー shows ads.

### Which is updated more often, shadoco or パターン・ビルダー?

shadoco ships an update weekly, and パターン・ビルダー every 9 days. Most recently, shadoco was updated on October 31, 2026 and パターン・ビルダー on October 31, 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.*