# Random Number Generator RN vs 電氣管線選擇器

The clearest difference is price: Random Number Generator RN at Free against 電氣管線選擇器's $2.99. Random Number Generator RN also leads on iOS requirement (17.0 vs 26.0). 電氣管線選擇器's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs monthly). On ads and device support there is nothing between them.

Random Number Generator RN is free to download; 電氣管線選擇器 costs $2.99 up front. Random Number Generator RN sells 4 in-app purchases, starting at $0.29 per 7 days. 電氣管線選擇器 asks for nothing beyond the download.

Random Number Generator RN ships an update monthly, 電氣管線選擇器 every 2 days. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Random Number Generator RN | 電氣管線選擇器 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 8 MB | 8 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kai Chi Tsao](https://appshunter.io/developer/1299477756) | [Hao Da-Wei](https://appshunter.io/developer/1758775655) |

## What reviewers say

### Random Number Generator RN

[App page](https://appshunter.io/ios/app/random-number-generator-rn/id1483371779)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Weekly | $0.29 | per 7 days |
| VIP 1 Month | $0.99 | per month |
| VIP 1 Yer | $1.99 | per year |
| Premium Version | $3.99 | one-time |


### 電氣管線選擇器

[App page](https://appshunter.io/ios/app/id6566197101)

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

**In-app purchases:** none


## Frequently asked questions

### Is Random Number Generator RN free?

Random Number Generator RN is free to download, with in-app purchases available.

### Is 電氣管線選擇器 free?

電氣管線選擇器 costs $2.99, with no in-app purchases.

### Do Random Number Generator RN or 電氣管線選擇器 have ads?

Neither Random Number Generator RN nor 電氣管線選擇器 shows ads.

### Which is updated more often, Random Number Generator RN or 電氣管線選擇器?

Random Number Generator RN ships an update monthly, and 電氣管線選擇器 every 2 days. Most recently, Random Number Generator RN was updated on October 26, 2026 and 電氣管線選擇器 on October 30, 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.*