# Strom Master vs 引力之外

The clearest difference is update cadence: 引力之外 at every 2 months against Strom Master's every 56 months. Strom Master's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Strom Master ships an update every 56 months, 引力之外 every 2 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Strom Master | 引力之外 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.6 (7 ratings)](https://appshunter.io/ios/app/id1665345334/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 2 months** |
| Size | 20 MB | 444 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [少坤 陈](https://appshunter.io/developer/1492227021) | [Shanghai Santi Xingren Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1665345336) |

## What reviewers say

### Strom Master

[App page](https://appshunter.io/ios/app/strom-master/id1533764225)

**In-app purchases:** none


### 引力之外

[App page](https://appshunter.io/ios/app/id1665345334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strom Master free?

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

### Is 引力之外 free?

引力之外 is free to download, with no in-app purchases.

### Do Strom Master or 引力之外 have ads?

Neither Strom Master nor 引力之外 shows ads.

### Which is updated more often, Strom Master or 引力之外?

Strom Master ships an update every 56 months, and 引力之外 every 2 months. Most recently, Strom Master was updated on October 12, 2026 and 引力之外 on October 16, 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.*