Kulvex vs Stellata
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kulvex
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KULVEX is the official client for connecting to your self-hosted KULVEX server: an autonomous AI platform that lives on your own infrastructure, not in the cloud. Built for people who want the power of modern AI without handing their data to third parties, KULVEX lets you chat with intelligent assistants, control your connected home and run custom agents — all pointing at the server you choose. KEY FEATURES • Local-first AI chat against your own KULVEX server • On-device models available for offline use • Unified smart home control: lights, climate, solar, security, cameras • Custom agents with tools, voice mode and tailored instructions • Voice input with on-device speech recognition • Camera and QR for fast server access • Face ID to unlock the app and authorize sensitive actions • Offline mode unlocks after your first successful sign-in • Apple Silicon support with MLX acceleration PRIVACY BY DESIGN KULVEX is a pure client: the app connects only to the server you specify. We don't send your data to third parties, we don't collect analytics, we don't operate a backend. Voice transcription happens on-device using Apple's local engine. REQUIREMENTS KULVEX is a server client. You need access to a KULVEX server (on your local network, on your own infrastructure, or via a compatible instance). Learn more about deploying your own server at kulvex.ai. Designed on Apple Silicon, optimized for iPhone.
Stellata
This app helps you save and organize content from various sources like social media, websites, and PDFs. It automatically categorizes your saves and offers multiple visual ways to explore your collection, including interactive moodboards and collaborative features.
- Save links, images, videos, and PDFs
- Automatic tagging and grouping of saves
- Multiple visual exploration modes (Grid, Board, Galaxy, Sphere, etc.)
- Interactive moodboard creation
- Collaborative features for sharing and exploring with friends
- Import existing saves from other platforms
- Advanced search with visual and text recognition
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Some things stay with you. The image you stop for. The idea you come back to. Stellata is where they go. Tap Share in any app — Instagram, TikTok, X, YouTube, Pinterest, a blog, anything — and the picture, the words and the video come across with the link. Screenshots, photos, videos, PDFs and books come in too, no link needed. Then it starts to sort itself. ALIKE SAVES DRIFT TOGETHER Every link is read on your phone: its words, and what its picture shows. Nothing is sent anywhere. Tags appear on their own, and saves that belong together drift into groups in the galaxy, so even from far off you can see what your saving is really about. The same links gather into themes you can filter by — branding, motion, space, whatever you turn out to be into. EIGHT WAYS TO LOOK Grid — everything you saved, at a glance, image first. Board — your saves spread over one plane, like a wall. Wall — your pictures in columns that go on forever. Galaxy — your library as a world in space, alike saves floating together in groups. Tap a link and a light travels out through everything it connects to, by picture, by meaning, by tag. Sort it by color, by time, by site or by style, or place words of your own, and the links they're about gather around them. Sphere — step inside the galaxy, your saves all around you, above and below. Earth — your saves light up where in the world they are, on a globe or on a map. Timeline — every save on one line, newest first. Projects — a space for a trip, a piece of work, or whatever you're into this week, each with a moodboard to lay out by hand: move, pinch and twist the pictures, then draw, write and join them with arrows. Flip through one as Cards, a save at a time, or send it out as a lookbook, a PDF of every save. Hold a finger still and draw a loop in the galaxy or on a board to pick everything inside at once. SIT DOWN WITH A FRIEND Put two phones side by side and the ties between your saves and theirs run from one screen to the other. See where your tastes meet, throw a link across, and leave with a little of theirs. The phones talk to each other directly, and only what you choose to bring leaves your phone. Or swap galaxy links with a friend, and theirs floats in yours, far off in space, to fly into. BRING WHAT YOU ALREADY SAVED Your Instagram saves come across, and your Pinterest boards, Are.na channels, Reddit saves, DeviantArt favorites and Obsidian vault too, so you start with your real collection instead of an empty page. FIND YOUR WAY BACK Type or say what you're looking for, or tap + to pick a color, a style or a photo, and the saves that fit fly in close. Or describe what a picture shows, like “cracked ice,” and Search finds it, even when no title or tag says so. It reads the words in your pictures too, so a screenshot turns up by what it says. Point the camera at a poster or a wall to see the saves that look most like it. SCAN WHAT YOU SAVED Smart Scan reads a save for what it holds: a recipe to cook from, its timers ringing even on a locked phone, a workout's sets, a trip's places on a map, an event's date, a product's specs. Play a video, and Stellata names its song. ON YOUR MAC TOO Stellata is on the Mac as well, your library kept in step by iCloud, and Stellata Unlimited comes along. IT STAYS YOURS Everything syncs through your own iCloud, and previews are kept on the phone, so your library is there with no signal. Share a project and a few people can save into it together, on one moodboard. Copy every save to Notion or Obsidian, or export them all as a spreadsheet. No account to make, no feed, no one else's algorithm. STELLATA UNLIMITED The free plan holds 30 links. Unlimited holds any number, as a monthly subscription or a one-time purchase. If Unlimited ends, nothing is deleted: your newest 30 stay open and the rest wait for you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://stellata.app/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Kulvex at none against Stellata's 2. Stellata's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. Stellata sells 2 in-app purchases, starting at $1.99 per month. Kulvex asks for nothing beyond the download.
| Parameter | Kulvex | Stellata |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (12 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | — | Every 3 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 25 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | Bruno Aiub | Abdullah Alkhatib |
In-app purchases
Kulvex
No in-app purchases
Stellata
- Stellata Unlimited$1.991 Month
- Stellata Unlimited Lifetime$14.99









