Comparison

FastLabel vs OctaLab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FastLabel

Features
Read full description

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.

About

OctaLab

Read full description

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

FastLabel4 screens
OctaLab4 screens

Verdict

The call

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences Ā· 4 level
FastLabel versus OctaLab: the parameters behind the verdict, then further details
ParameterFastLabelOctaLab
PriceFreeFree
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS26.218.0 — better
Further details — not scored
Size7 MB8 MB
Age rating4+4+
DeveloperLukas Paul HeringNovin dokht Elmi

In-app purchases

None

FastLabel

No in-app purchases

None

OctaLab

No in-app purchases

Questions

Is FastLabel free?
FastLabel is free to download, with no in-app purchases.
Is OctaLab free?
OctaLab is free to download, with no in-app purchases.
Do FastLabel or OctaLab have ads?
Neither FastLabel nor OctaLab shows ads.
Which is updated more often, FastLabel or OctaLab?
FastLabel ships an update every 4 months, and OctaLab every 4 days. Most recently, FastLabel was updated on September 11, 2026 and OctaLab on September 29, 2026.

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