4 vs NEBULOCITY.AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4
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Reformat any video for Instagram carousels without losing a single frame. 4:5 takes whatever you shot, portrait, landscape, square, or vertical phone video, and fits it inside the aspect ratio you need on a canvas of your choice. Your full shot stays in frame. No cropping, no lost footage, no annoying color issues and editing. WHAT IT DOES • Fits your video inside a 4:5, 1:1, or 9:16 canvas with no cropping • Exports at 1080p or 4K • Lets you pick white or black as the background color • Handles multiple clips in one batch • Preserves HDR source material where supported • Saves directly to your Photo Library WHAT IT DOESN'T DO • No account. Nothing to sign up for. • No uploads. Everything happens on your device. • No analytics. No tracking. No ads. • No subscription. The app is free. Built for creators who shoot horizontally but post vertically, who want their whole frame in the shot, and who don't feel like rethinking their feed every time a platform changes the default ratio. Made by Leonardo Pham
NEBULOCITY.AI
Transform photos and songs into professional-quality music videos using AI. Generate music, enhance your appearance, and edit scenes with text commands. Sync visuals to audio and export for social media.
- AI music generation with Suno AI
- AI-powered visual enhancement for portraits
- Text-to-edit video commands
- AI dance motion translation
- Audio-reactive visual synchronization
- Instant world-building from single photos
- Multi-format social media exports
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Music Video Director by Nebulocity.AI turns your artist stills and your song into a finished music video. Upload or generate music, lock a look, approve scene stills, then generate performance clips that cut to the track. Optional lip sync, trim and length controls, and a clean compile step get you to a shareable cut without a timeline full of clutter. STUDIO (FAST TRACK) • One guided flow: audio → theme → scenes → video → compile • Character sheet / shot stills, then AI clip generation • Continue-from-previous-clip chaining for smoother cuts • Projects list so you can leave and resume SOCIAL • Separate 9:16 short version from a chosen song window • Reuse compatible clips; regenerate only what’s missing THE DROP • Publish finished videos to the community feed WHY IT LOOKS SIMPLE A lot of the hard work runs on our backend with AI — motion, timing, and assembly — so the on-device UI stays calm and fast. The App Preview videos show real generated results that screenshots alone cannot convey. SUBSCRIPTIONS & CREDIT PACKS Unlock generation capacity with Monthly and Annual plans (Creator and Director) plus one-time credit packs. Manage subscriptions and Restore Purchases on the paywall or in Settings. LEGAL & PRIVACY Terms of Use (Standard Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nebulocity.ai/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: 4 at none against NEBULOCITY.AI's 4. On price, ads, device support 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. NEBULOCITY.AI sells 4 in-app purchases, starting at $9.99 per month. 4 asks for nothing beyond the download.
| Parameter | 4 | NEBULOCITY.AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 96 MB |
| Age rating | 4+ | 9+ |
| Developer | B&L Collective LLC | Michael Drew |
In-app purchases
4
No in-app purchases
NEBULOCITY.AI
- CREATOR MONTHLY$9.991 Month
- DIRECTOR$19.991 Month
- CREATOR (yearly)$99.991 Year
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- DIRECTOR (YEARLY)$199.991 Year









