# 星恒SWP vs 寄信助手

The clearest difference is update cadence: 星恒SWP at every 6 weeks against 寄信助手's every 3 months. 星恒SWP also leads on iOS requirement (11.0 vs 13.0). 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.

星恒SWP ships an update every 6 weeks, 寄信助手 every 3 months. The most recent releases landed on September 12, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | 星恒SWP | 寄信助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6475414542/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 76 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Phylion Battery Co., Ltd.](https://appshunter.io/developer/1606270759) | [志超 尹](https://appshunter.io/developer/1516211321) |

## What reviewers say

### 星恒SWP

[App page](https://appshunter.io/ios/app/swp/id1606273472)

**In-app purchases:** none


### 寄信助手

[App page](https://appshunter.io/ios/app/id6475414542)

This app bridges the gap between correctional facilities and families by offering secure communication services. It allows users to send handwritten letters, custom postcards, and printed photos to incarcerated loved ones. Additionally, it provides access to facility information, legal insights, and lawyer consultations.

**Highlights:** Send handwritten letters, Customizable postcards, High-definition photo printing, Correctional facility information lookup, Legal sentencing and parole prediction, Case database and legal Q&A, Online lawyer consultations

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

**In-app purchases:** none


## Frequently asked questions

### Is 星恒SWP free?

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

### Is 寄信助手 free?

寄信助手 is free to download, with no in-app purchases.

### Do 星恒SWP or 寄信助手 have ads?

Neither 星恒SWP nor 寄信助手 shows ads.

### Which is updated more often, 星恒SWP or 寄信助手?

星恒SWP ships an update every 6 weeks, and 寄信助手 every 3 months. Most recently, 星恒SWP was updated on September 12, 2026 and 寄信助手 on August 25, 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.*