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ViralSparkApp Desktop — One-Time Payment, Lifetime Value

Professional AI video suite for Windows. Pay once, use forever. No subscriptions.

Current build v1.2.1 · August 29, 2026 · Windows 10/11 (64-bit) · 479 MB · Download installer · What's new

The installer is free to download; a license key from one of the plans below activates the app.

Why Choose Desktop?

Runs on your PC

No browser studio and no cloud dashboard. Your projects stay on your Windows machine.

Pay Once, Own Forever

No monthly subscriptions. One-time payment, lifetime access to the app.

Faster Performance

Native Windows app. No browser overhead. Built for speed.

Desktop Starter
$29 one-time

Beginners and personal use. License key by email in about 5 minutes. 1 Windows PC.

  • Text-to-Video + Image-to-Video
  • Your Replicate API key — you pay for cloud video generation
  • AI Avatar (local RVC)
  • Voice Synthesis (6 languages)
  • Export 1080p
  • 3 carousel templates · Basic Repurpose (5 shorts)
  • 100 total generations · 1 device · 1 year updates
Desktop Agency
$149 one-time

Professionals and commercial use. Pays for itself with 2–3 client projects.

  • Everything in Pro +
  • Your Replicate API key — you pay for cloud video generation
  • 2000 total generations
  • Unlimited devices · commercial license
  • API access · custom models · white-label export
  • 1-hour personal setup

What's new in v1.2.1

Video generation

Hybrid engine: JSON2Video templates for free renders plus Replicate (Wan 2.6) for Text-to-Video and Image-to-Video. Fixed freezes and looping artifacts in rendered clips. Longer FFmpeg timeouts and proper error reporting instead of silent failures.

Video repurposing

70/30 workspace: tools on the left, step-by-step instructions on the right. Clean source processing for TikTok, CapCut and Instagram videos. Speech recognition via Whisper in 10 languages: RU, EN, ES, FR, DE, ZH, IT, PT, JA, KO. Custom voice-over with language and male/female voice selection. Auto subtitles that do not inflate the installer size.

Carousels from text

5 viral templates: Recipe, Product, App, Paid vs Free, Tool comparison. Custom hooks, headlines and subheadlines with language selection. All slides render into a single video instead of separate files.

Clip editor

Full language set (10) and male/female voices. Auto subtitles generated from the voice-over script.

UI and stability

Every button is clickable across all tabs; unified colour scheme. Fixed “'bool' object is not callable” and ModuleNotFoundError crashes.

Build and protection

Pyarmor 9.2.6: all 102 Python modules obfuscated. onedir build packaged with NSIS — ViralSparkApp_Setup.exe (478.5 MB).

Download ViralSparkApp v1.2.1 for Windows (479 MB) · Full changelog

Compare Desktop plans

FeatureStarter $29Pro $79Agency $149
PaymentOne-timeOne-timeOne-time
Text-to-Video + Image-to-VideoYesYesYes
Cloud AI (Replicate)Your API key (you pay)Your API key (you pay)Your API key (you pay)
AI Avatar / Voice SynthesisYesYesYes
Export 1080pYesYesYes
Transform ContentYesYes
Batch shorts (1 → 50)5 shorts5050
Timeline EditorYesYes
Carousel templates31010+
Generations100 total500 total2000 total
Devices12Unlimited
Updates1 yearLifetimeLifetime
Commercial / client workYesYesYes
API + custom modelsYes

FAQ

Is Desktop a subscription?

NO. Desktop is a one-time payment: $29 / $79 / $149. No monthly fees.

What are the system requirements?

Windows 10 or Windows 11 (64-bit) and 2 GB RAM recommended. Download the installer, then activate with the license key from your email.

What's the difference between Starter, Pro, and Agency?

Starter: 100 generations, 1 device, 1 year of updates. Pro: 500 generations, 2 devices, Transform Content, lifetime updates. Agency: 2000 generations, unlimited devices, commercial license.

Can I upgrade later?

Yes. Contact support@viralsparkapp.com for upgrade pricing.

Do I need my own Replicate API key?

Yes. Generation features are included. You pay for video generation yourself through your Replicate API key. You can add your own key for extra volume.

What if I exceed my generation limit?

Buy an extra generation pack or upgrade to a higher tier.

Does Transform Content rewrite the original video?

Yes. AI rewrites 30–50% of the text, adds commentary, and changes the voice.

Can I use this for client work?

Yes. Starter, Pro, and Agency can all be used for client work.