FastLabel vs OctaLab
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
FastLabel
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FastLabel is the fastest way to label image datasets on your iPhone. Import a ZIP with images, define your labels, and start labeling instantly. Designed for speed and simplicity, FastLabel lets you go through large datasets quickly with a smooth, one-by-one workflow. Features: ⢠Import images from ZIP files (JPG, PNG, JPEG) ⢠Fast, focused labeling experience ⢠Simple label set creation ⢠Overview of all images in a grid ⢠Continue where you left off ⢠Export labels as JSON, CSV, or JSONL ⢠Optionally export images together with labels Perfect for: ⢠Machine learning datasets ⢠Computer vision projects ⢠AI training data preparation ⢠Quick annotation tasks on the go All data stays on your device. No accounts, no uploads, no tracking.
OctaLab
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OctaLab is a visual app builder. Design, prototype, and preview app ideas for iPhone, iPad, and Apple Watch, directly on your device, no code required. Place SwiftUI components on a device canvas, wire up navigation between screens, define your data and actions, then run a live, interactive preview to feel how your app works. DESIGN VISUALLY ⢠Drag and drop from a library of SwiftUI components onto a device canvas ⢠Resize, position, and style each component with a property inspector ⢠Add real photos from your library to image components ⢠Build for iPhone, iPad, or Apple Watch, the canvas adapts to each CONNECT YOUR SCREENS ⢠Lay out screens on a visual flowchart canvas ⢠Connect them with navigation links: push, sheet, full screen, tab, and alert ⢠Mark an entry screen and see the whole flow at a glance DATA AND LOGIC ⢠Define data models with typed fields and custom enums ⢠Two-way bindings between components and live context variables ⢠Build reusable actions: change state, navigate, call APIs, and more ⢠Import OpenAPI specs to model real API endpoints PREVIEW INSTANTLY ⢠Run your prototype in a simulated device frame ⢠Tap through real interactions: buttons, fields, toggles, sliders ⢠Switch between iPhone, iPad, and Apple Watch as you go ⢠Light and dark mode ORGANIZE YOUR WORK ⢠Start blank or from a built-in template (Todo, Login, Dashboard, Chat, Social, Banking) ⢠Rename, duplicate, and manage all your projects in one place ⢠Projects are saved locally on your device OctaLab is built for designers, makers, students, and anyone who wants to shape an app idea quickly and see it run without writing a line of code.
Screenshots
Verdict
The clearest difference is update cadence: OctaLab at every 4 days against FastLabel's every 4 months. OctaLab also leads on iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FastLabel ships an update every 4 months, OctaLab every 4 days. The most recent releases landed on September 11, 2026 and September 29, 2026 respectively.
| Parameter | FastLabel | OctaLab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 4 days ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Mac ā better |
| Requires iOS | 26.2 | 18.0 ā better |
| Further details ā not scored | ||
| Size | 7 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Lukas Paul Hering | Novin dokht Elmi |
In-app purchases
FastLabel
No in-app purchases
OctaLab
No in-app purchases









