# ProxyPin vs Universal S3 client

The clearest difference is rating: ProxyPin at 4.5 against Universal S3 client's 4.0. ProxyPin also leads on review sentiment (82% vs 60%) and ratings volume (113 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ProxyPin holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: ProxyPin has 113 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 82% of ProxyPin's written reviews are positive against 60% of Universal S3 client's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ProxyPin | Universal S3 client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (113 ratings)](https://appshunter.io/ios/app/proxypin-open-source-capture/id6450932949/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/universal-s3-client/id6747045182/reviews) |
| Number of ratings | **113** | 2 |
| Positive reviews | **81.9% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Best chart rank | **#30** | — |
| Size | 43 MB | 25 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Minimalist Network Co., Ltd.](https://appshunter.io/developer/1695573256) | [Consulting WEB3 & Data VV LIMITED](https://appshunter.io/developer/1819525421) |

## What reviewers say

### ProxyPin

[App page](https://appshunter.io/ios/app/proxypin-open-source-capture/id6450932949)

**Currently charting:** #30 Top Free · Developer Tools (US App Store)

Capture and analyze HTTP(S) traffic on your mobile device. Configure proxies, filter requests, and even rewrite responses using JavaScript. Ideal for developers needing to inspect network activity.

**Highlights:** Mobile scan code connection, Proxy domain name filtering, JavaScript scripting, Request rewriting and mapping, Request decryption, Request blocking, Search and history

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎉 Free and open-source software
- 🚀 Powerful traffic capturing capabilities
- 🎨 Clean, intuitive interface
- 🔄 Multi-platform consistency
- ⚡ Fast and responsive performance

**What reviewers complain about**

- 🐛 Certificate installation issues
- 🐛 HTTPS packet capture failures
- 🐛 VPN service not starting properly
- 🐛 App crashes during packet capture
- 🐛 Small window/floating window black screen

**Reported bugs**

- Certificate installation fails despite enabling proxy
- HTTPS error -2 persists after certificate reset
- VPN icon not appearing on iOS 17.3.1+
- Packet capture stops unexpectedly while VPN still active
- Script editor auto-complete loses focus after clicking

**Requested features**

- Response body rewriting capability
- Request replay with custom count and delay
- Keyword highlighting persistence
- Proxy filter persistence
- Local file storage support ($file/fs)


### Universal S3 client

[App page](https://appshunter.io/ios/app/universal-s3-client/id6747045182)

Manage files across numerous cloud storage providers from a single, secure interface. Supports major services like AWS S3, Cloudflare R2, and DigitalOcean. Offers bank-level security and effortless file operations.

**Highlights:** Connect to 14+ cloud storage providers, Bank-level security with AES-256 encryption, Effortless file management (upload, organize, share), Modern Material Design interface, Works completely offline, No account registration or tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is ProxyPin free?

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

### Is Universal S3 client free?

Universal S3 client is free to download, with no in-app purchases.

### Which has better reviews, ProxyPin or Universal S3 client?

ProxyPin is rated higher. ProxyPin averages 4.5 out of 5 from 113 ratings, while Universal S3 client averages 4.0 from 2 ratings.

### Do ProxyPin or Universal S3 client have ads?

Neither ProxyPin nor Universal S3 client shows ads.

### Which is updated more often, ProxyPin or Universal S3 client?

ProxyPin ships an update every 5 weeks, and Universal S3 client every 5 weeks. Most recently, ProxyPin was updated on November 4, 2026 and Universal S3 client on November 5, 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.*