Steno Notes vs ML Data Factory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Steno Notes
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Steno is a fast, distraction-free Markdown editor designed for focused, beautiful writing. Built natively for Apple platforms with CloudKit, Steno keeps your documents automatically synced across your devices—without ads, tracking, or external servers. Why Steno? • Seamless iCloud sync across Mac, iPhone, and iPad • Native performance—no bloat, no lag, just fast • Clean typography with powerful, design-forward customization • Sub-block-level references for linking directly to the exact passage you mean • Deep system integration—Handoff, Spotlight, Siri, and Widgets • Customizable PDF export for polished sharing • No data collection, no AI. Your documents stay on your device and in iCloud • All documents stored as plain Markdown files Whether you're drafting essays, making lists, or capturing ideas, Steno combines speed, clarity, and privacy in a focused writing environment.
ML Data Factory
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ML Data Factory is a professional-grade mobile utility engineered to bridge the gap between raw video footage and the high-quality datasets required for machine learning. Designed for data engineers, sports analysts, and AI researchers, this app allows you to curate, manufacture, and package machine learning datasets entirely from your iPhone or iPad. Stop wasting time with bulky desktop software. Whether you are in the field or at your desk, ML Data Factory provides a streamlined, high-throughput pipeline to transform raw video into structured, AI-ready training data. Key Features: Precision Data Pipeline: Seamlessly ingest raw video from iCloud, the local Files app, or your Photo Library. Support for bulk-uploading allows you to queue multiple videos for efficient, uninterrupted processing. Direct-Link Ingestion: Paste direct video URLs to stream and download high-quality footage directly into your processing queue. Frame-Accurate Scrubbing: Utilize high-precision seeking controls to pinpoint the exact millisecond of an action. Whether you are analyzing a sports swing or a manufacturing process, you have full control with frame-by-frame navigation. ML-Ready Visual Guides: Built-in 224x224 crop guides ensure your visual subjects are perfectly framed for popular machine learning models (e.g., ResNet, MobileNet), ensuring data consistency before you ever snap a frame. Dynamic Dataset Labeling: Create, manage, and toggle custom categories on the fly. Organize your dataset into structured folders that match your specific training labels. Customizable Capture Length: Adjust your capture window dynamically—choose between 30, 60, 90, 120, or 150 frames to match the specific needs of your ML model's temporal requirements. One-Tap Manifest Export: With a single tap, the app compiles your categorized clips into a structured dataset_manifest.json and bundles everything into a single .zip archive. Easily AirDrop or transfer your entire, ready-to-train dataset to your workstation for immediate use in Create ML, PyTorch, or TensorFlow. Technical Specifications: High-Speed I/O: Built on the AVFoundation framework for efficient, asynchronous video processing and extraction. Optimized Performance: Fully compliant with modern iOS 18+ standards for maximum stability and performance on the latest hardware. Data Integrity: All dataset operations are performed using atomic write protocols to ensure no data is corrupted or lost during the extraction and zipping process. User-Centric Design: High-contrast, dark-themed industrial interface designed for high-focus professional environments.
Screenshots
Verdict
The clearest difference is in-app purchases: ML Data Factory at none against Steno Notes's 4. ML Data Factory also leads on iOS requirement (18.0 vs 26.0). Steno Notes's advantage is update cadence (every 2 days vs every 3 months). On price, 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. Steno Notes sells 4 one-off in-app purchases. ML Data Factory asks for nothing beyond the download.
Steno Notes ships an update every 2 days, ML Data Factory every 3 months. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.
| Parameter | Steno Notes | ML Data Factory |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 6 MB |
| Age rating | 4+ | 9+ |
| Developer | Mikail Kraft | Kory Fuerstenberg |
In-app purchases
Steno Notes
- Tip Jar (Small)$0.99
- Tip Jar (Medium)$2.99
- Steno Complete$4.99
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- Steno Tip (Large)$4.99
ML Data Factory
No in-app purchases
Questions
Is Steno Notes free?
Is ML Data Factory free?
Do Steno Notes or ML Data Factory have ads?
Which is updated more often, Steno Notes or ML Data Factory?
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