S3 Client vs Karakeep App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S3 Client
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.
- 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
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Access your S3 storage directly from the Files app, Finder, and other applications on iPhone, iPad, and Mac. Developed by the creator of Working Copy, this application provides seamless integration with S3-compatible storage services. Once configured, S3 buckets appear alongside other cloud storage providers, with files available on demand. Files are downloaded as needed and automatically synchronized back to S3 when modified. The app supports a wide range of S3-compatible services, including AWS S3, BackBlaze B2, CloudFlare R2, DigitalOcean Spaces, MinIO, and others. Files and directories can be uploaded through the system share sheet on iOS and the Services menu on macOS. The app remembers preferred upload destinations for different file types, streamlining file management. Pre-signed sharing links can be generated directly from Finder and the Files app, allowing temporary access to files for up to seven days. Support for server-side encryption with customer-provided keys (SSE-C) and client-side AES-GCM encryption compatible with the Amazon S3 Encryption Client. Comprehensive support for Shortcuts automation enables operations such as listing, downloading, uploading, and moving files. The app is free to use with a single server. A Pro Unlock is required for multiple servers, available as a one-time purchase or a monthly subscription, with access shared across iPhone, iPad, and Mac. A one-week free trial allows users to evaluate Pro features before purchase.
Karakeep App
Effortlessly save links, notes, and images with automatic AI-powered tagging for quick retrieval. Search through all your saved content, including link contents, at blazing fast speeds. Organize your saved items into custom lists and share content from any app.
- Automatic AI tagging
- Full-text search
- Custom lists
- Sharing extension
- Save links, notes, and images
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Quickly save links, notes, and images and karakeep will automatically tag them for you using AI for faster retrieval. Content (including link contents) are indexed for blazing fast full text search. Organize you items into custom lists. Sharing extension to hoard items from any other apps.
Screenshots
Verdict
The clearest difference is in-app purchases: Karakeep App at none against S3 Client's 3. Karakeep App also leads on iOS requirement (16.4 vs 18.2). S3 Client's advantage is update cadence (every 9 days vs every 6 weeks) and rating (4.8 vs 4.6). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. S3 Client sells 3 in-app purchases, starting at $2.99 per month. Karakeep App asks for nothing beyond the download.
S3 Client holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 56 and 43 respectively. Written reviews point the same way: 79% of S3 Client's written reviews are positive against 71% of Karakeep App's.
S3 Client ships an update every 9 days, Karakeep App every 6 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.
| Parameter | S3 Client | Karakeep App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (56 ratings) — better | 4.6 (43 ratings) |
| Positive reviews | 79.1% of reviews — better | 70.6% of reviews |
| Number of ratings | 56 — better | 43 |
| Update frequency | Every 9 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 18.2 | 16.4 — better |
| Further details — not scored | ||
| Size | 63 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | Anders Borum ApS | Mohamed Bassem |
Customer experience
S3 Client
Karakeep App
Bugs and requests
S3 Client
Reported bugs
17 issues- Files renamed randomly
- High CPU usage
- Stopped working in iOS 26
- Can't set permissions
- Fails to load S3 buckets properly
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- Duplicating root folders
- Folders missing
- Failing to upload
- No image/video thumbnails
- EXIF option unreliable
- No SSE-C encryption/decryption support
- Does not support IAM policy roles
- Short-lived keys needed
- App locks up Files app
- Requires reboot
- Issues with S3 Minio
- Update issues with older macOS
Requested features
14 requests- 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
Show 9 moreShow fewer
- Show number of files in a directory
- Option to clear app cache
- Support for SSE-C encryption/decryption
- Support for IAM policy roles
- Support for S3 buckets with short-lived keys
- Dark mode option
- Advanced analytics dashboard
- Duplicate Settings option for iOS
- Support for public dataset anonymous configuration
Karakeep App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
S3 Client
- S3 Files Pro Monthly7 Days trial$2.991 Month
- Lifetime S3 Pro$14.99
- Lifetime S3 Pro$17.99
Karakeep App
No in-app purchases
Questions
Is S3 Client free?
Is Karakeep App free?
Which has better reviews, S3 Client or Karakeep App?
Do S3 Client or Karakeep App have ads?
Which is updated more often, S3 Client or Karakeep App?
Other comparisons
