# シンプル英熟語 vs ロボットアーム

The clearest difference is in-app purchases: ロボットアーム at none against シンプル英熟語's 1. ロボットアーム also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. シンプル英熟語 sells 1 one-off in-app purchase. ロボットアーム asks for nothing beyond the download.

シンプル英熟語 ships an update monthly, ロボットアーム every 2 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | シンプル英熟語 | ロボットアーム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 34 MB | 4 MB |
| Requires iOS | 18.0 | **17.6.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [RYOTA SUZUKI](https://appshunter.io/developer/1726784326) | [Risako Asai](https://appshunter.io/developer/1671273580) |

## What reviewers say

### シンプル英熟語

[App page](https://appshunter.io/ios/app/id6476452337)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $6.99 | one-time |


### ロボットアーム

[App page](https://appshunter.io/ios/app/id6720753682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is シンプル英熟語 free?

シンプル英熟語 is free to download, with in-app purchases available.

### Is ロボットアーム free?

ロボットアーム is free to download, with no in-app purchases.

### Do シンプル英熟語 or ロボットアーム have ads?

Both シンプル英熟語 and ロボットアーム show ads.

### Which is updated more often, シンプル英熟語 or ロボットアーム?

シンプル英熟語 ships an update monthly, and ロボットアーム every 2 weeks. Most recently, シンプル英熟語 was updated on October 21, 2026 and ロボットアーム on October 12, 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.*