# S3 Client vs Alpha AssertAI

The clearest difference is in-app purchases: Alpha AssertAI at none against S3 Client's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. S3 Client sells 3 in-app purchases, starting at $2.99 per month. Alpha AssertAI asks for nothing beyond the download.

S3 Client ships an update every 9 days, Alpha AssertAI every 11 days. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | S3 Client | Alpha AssertAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (56 ratings)](https://appshunter.io/ios/app/s3-client-files-location/id6447647340/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 62 MB |
| Requires iOS | 18.2 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anders Borum ApS](https://appshunter.io/developer/1629010537) | [Assert AI](https://appshunter.io/developer/1746509244) |

## What reviewers say

### S3 Client

[App page](https://appshunter.io/ios/app/s3-client-files-location/id6447647340)

Access and manage your S3-compatible cloud storage directly from your device's file system. Files are downloaded on demand and synchronized automatically, with support for various S3 services and encryption methods.

**Highlights:** Direct S3 storage access, On-demand file downloading, Automatic synchronization, Support for multiple S3 services, System share sheet uploads, Pre-signed sharing link generation, Shortcuts automation support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| S3 Files Pro Monthly | $2.99 | per month |
| Lifetime S3 Pro | $14.99 | one-time |
| Lifetime S3 Pro | $17.99 | one-time |

**What reviewers like**

- 👍 Intuitive UI/UX
- 🔄 Universal setup across devices
- 🚀 Smooth and fast performance
- 💡 Excellent integration with Files app
- 🛠️ Handles edge cases and retries well

**What reviewers complain about**

- 🤔 Not intuitive for some
- 💰 Limited free features
- 🐛 Clunky to use
- 🐛 App constantly pauses
- 🐛 No obvious way to unpause

**Reported bugs**

- Files renamed randomly
- High CPU usage
- Stopped working in iOS 26
- Can't set permissions
- Fails to load S3 buckets properly

**Requested features**

- Support for WebDAV servers
- Support for Google OAuth for GCS
- Synchronous feature to backup photos automatically
- Configurable AWS endpoint for non-.com endpoints
- Allow import/export of configuration


### Alpha AssertAI

[App page](https://appshunter.io/ios/app/alpha-assertai/id6742440284)

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

**In-app purchases:** none


## Frequently asked questions

### Is S3 Client free?

S3 Client is free to download, with in-app purchases available.

### Is Alpha AssertAI free?

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

### Do S3 Client or Alpha AssertAI have ads?

Neither S3 Client nor Alpha AssertAI shows ads.

### Which is updated more often, S3 Client or Alpha AssertAI?

S3 Client ships an update every 9 days, and Alpha AssertAI every 11 days. Most recently, S3 Client was updated on October 10, 2026 and Alpha AssertAI on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*