AI Cast Assistant vs Sun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Cast Assistant
Design custom phone cases with a variety of themes. Utilize AI-powered tools to create unique illustrations and personalize your phone's appearance.
- Personalized phone case creation
- Rich theme library
- AI illustration tools
- Customizable designs
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1. Featuring rich themes, create personalized phone cases. 2. AI creation, you are also a skilled illustrator.
Sun
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Sun-i turns your iPhone into a smart document scanner with AI-powered analysis. Scan contracts, understand key terms, and spot potential issues before you sign. SMART SCANNING • Real-time edge detection automatically finds document boundaries • Perspective correction straightens tilted photos • Quality checks ensure readable scans (blur, brightness, glare detection) • Flash support for low-light environments AI CONTRACT ANALYSIS • Extracts key information from employment contracts, housing leases, gym memberships, telecom agreements, and financial documents • Identifies red flags and potential issues • Provides safety scores to help you make informed decisions • Supports Korean, English, and Japanese documents ORGANIZED & EXPORTABLE • Save and organize all your scanned documents • Export to PDF for easy sharing • Generate detailed analysis reports Perfect for anyone reviewing contracts in a foreign language, first-time renters checking lease agreements, or employees verifying employment terms. Your documents stay on your device. Scan with confidence.
Screenshots
Verdict
The clearest difference is iOS requirement: AI Cast Assistant at 15.6 against Sun's 26.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
AI Cast Assistant ships an update every 2 weeks, Sun every 9 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | AI Cast Assistant | Sun |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (109 ratings) — better | — |
| Positive reviews | 27.7% of reviews | — |
| Number of ratings | 109 — better | — |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 96 MB | 8 MB |
| Age rating | 17+ | 4+ |
| Developer | 深圳市每开创新科技有限公司 | Manish Adhikari |
In-app purchases
AI Cast Assistant
No in-app purchases
Sun
No in-app purchases









