Comparison

Lychee AI vs SDAI

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

Head to head
About

Lychee AI

Create stunning AI-generated artwork and short videos from text prompts or existing images. Explore a community gallery for inspiration and remix creations. Offers a free starting credit and advanced features for visual artists and content creators.

Highlights
  • Text-to-Image generation
  • Image-to-Image transformation
  • Text-to-Video creation
  • Animate still photos into videos
  • Community gallery for inspiration
  • Video upscaling to 1080P
  • Automatic AI model updates
Features
Read full description

Lychee AI brings professional-grade AI visual creation to your iPhone. Powered by the most advanced AI image and video models, the app lets you generate stunning artwork, remix photos, and create short videos — all from your pocket. Whether you are an artist, content creator, or simply curious about what AI can do, Lychee AI gives you a complete creative studio in one app. Key Features: • Text-to-Image — Describe any scene and watch it come to life. From photorealistic portraits to abstract art, just type a prompt and let the most powerful AI model handle the rest. • Image-to-Image — Upload a reference photo and transform it with style transfer, remixing, or creative reinterpretation. Perfect for exploring new visual directions. • Text-to-Video — Create dynamic short videos from text descriptions. Powered by cutting-edge AI video technology, turn your ideas into motion. • Image-to-Video — Breathe life into still photos by animating them into short video clips. • Community Gallery — Discover featured AI artworks from creators around the world. Find inspiration and remix any piece with a single tap. • Video Frame Chaining — Use the last frame of a generated video as the starting point for your next creation, enabling seamless creative continuity. • Video Upscaling — Enhance your generated videos up to 720P or 1080P resolution for crisp, shareable content. • Always-Evolving Model Catalog — New AI models are added to the app automatically, so you always have access to the latest creative tools without updating. • Credits for Everyone — New users receive 1,000 credits to start creating right away. No subscription required to begin. • Designed for iPhone — Supports 9 in-app languages and both Light and Dark themes, so the app adapts to your preferences. Start creating with Lychee AI today — your imagination is the only limit. Terms of Use: https://legal.lizh.ai/terms

About

SDAI

Features
Read full description

SDAI is an open-source AI image generation app for creators who want provider freedom on mobile. Write prompts, tune settings, connect the image provider you already use, and keep results in a clean local gallery. SDAI is designed for artists, hobbyists, prompt engineers, and builders who want a mobile workflow around their existing generation setup. Built for flexible AI art workflows: - Connect to self-hosted WebUI servers and supported hosted APIs - Use community workers when you need remote generation - Prompt with positive and negative text where supported - Adjust size, seed, steps, CFG scale, sampler, model or engine settings when available - Review generated images in a built-in gallery - Open result details, reuse prompts, share images, and save to your device - Choose language, gallery density, theme behavior, and accent color SDAI does not lock your work into one cloud. Use the AI provider that fits the moment, keep your workflow mobile, and move from prompt to saved image without losing control. No ads. No telemetry. Open source. Provider-first. Feature availability depends on the selected AI provider.

Screenshots

Lychee AI4 screens
SDAI4 screens

Verdict

The call

The clearest difference is ads: Lychee AI at none against SDAI's shown. SDAI's advantage is update cadence (every 2 days vs every 11 days). On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lychee AI sells 3 in-app purchases, starting at $9.99 per month and SDAI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lychee AI ships an update every 11 days, SDAI every 2 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Lychee AI versus SDAI: the parameters behind the verdict, then further details
ParameterLychee AISDAI
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 11 daysEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size47 MB81 MB
Age rating17+17+
Developer津 崔Dmytro Moroz

In-app purchases

3 purchases

Lychee AI

Subscriptions3
  • Basic1 Month trial$9.991 Month
  • Pro$49.991 Month
  • Max$199.991 Month
3 purchases

SDAI

One-time3
  • Starter tokens pack$1.99
  • Plus tokens pack$5.99
  • Pro tokens pack$12.99

Questions

Is Lychee AI free?
Lychee AI is free to download, with in-app purchases available.
Is SDAI free?
SDAI is free to download, with in-app purchases available.
Do Lychee AI or SDAI have ads?
SDAI shows ads; Lychee AI does not.
Which is updated more often, Lychee AI or SDAI?
Lychee AI ships an update every 11 days, and SDAI every 2 days. Most recently, Lychee AI was updated on October 16, 2026 and SDAI on October 25, 2026.

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