# 篩って！正規表現（コース対応版） vs LLTrainer

The clearest difference is in-app purchases: 篩って！正規表現（コース対応版） at none against LLTrainer's 1. 篩って！正規表現（コース対応版） also leads on iOS requirement (13.0 vs 26.2). LLTrainer's advantage is update cadence (every 3 months vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. LLTrainer sells 1 one-off in-app purchase. 篩って！正規表現（コース対応版） asks for nothing beyond the download.

篩って！正規表現（コース対応版） ships an update every 27 months, LLTrainer every 3 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 篩って！正規表現（コース対応版） | LLTrainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 months** |
| Size | 23 MB | 2 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KATSUNARI NEMOTO](https://appshunter.io/developer/1569116706) | [Tatsuya Yamaguchi](https://appshunter.io/developer/447542345) |

## What reviewers say

### 篩って！正規表現（コース対応版）

[App page](https://appshunter.io/ios/app/id1582184646)

**Features:** macOS Compatibility

**In-app purchases:** none


### LLTrainer

[App page](https://appshunter.io/ios/app/lltrainer/id6760694380)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Full Access | $3.99 | one-time |


## Frequently asked questions

### Is 篩って！正規表現（コース対応版） free?

篩って！正規表現（コース対応版） is free to download, with no in-app purchases.

### Is LLTrainer free?

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

### Do 篩って！正規表現（コース対応版） or LLTrainer have ads?

Neither 篩って！正規表現（コース対応版） nor LLTrainer shows ads.

### Which is updated more often, 篩って！正規表現（コース対応版） or LLTrainer?

篩って！正規表現（コース対応版） ships an update every 27 months, and LLTrainer every 3 months. Most recently, 篩って！正規表現（コース対応版） was updated on October 27, 2026 and LLTrainer on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*