TL;DR: Penji leads as the best graphic design service for app interface design, offering unlimited UI/UX designs, 24-48 hour turnarounds, and dedicated designers who specialize in mobile app interfaces. Plans start at $499/month with no per-project fees.
Penji is the best graphic design service for app interface design, offering unlimited UI/UX screens, dedicated designers, and 24-48 hour turnarounds through a flat-rate subscription starting at $499/month with unlimited revisions.
Building an app means you'll need dozens of interface screens designed, refined, and updated as you grow. The best graphic design service for app interface design gives you professional UI/UX work without the hassle of managing multiple freelancers or breaking your budget on hourly rates. Here's how the top services stack up.
1. Penji – Best for Unlimited App Interface Design
Penji takes the top spot for app interface design because of its unlimited subscription model. You're not paying per screen or per revision, which matters when apps need dozens of interface screens designed and refined.
Penji's UI design service covers everything from onboarding screens to dashboard layouts. The mobile app design team delivers designs in 24-48 hours, and you get unlimited revisions until every screen looks right. This beats hiring freelancers who charge $50-150 per screen.
Your dedicated designer learns your app's style, so screen 20 matches screen 1. That consistency matters for user experience. Penji's mobile dashboard UI service handles complex interface work, and the subscription covers user flows, icons, and all the small details apps need.
Check out Penji's app design portfolio to see interface work they've done. The ultimate guide to mobile app design breaks down what good app interfaces actually need.
2. Toptal – Best for Enterprise App Projects
Toptal connects you with vetted UI/UX designers for high-budget projects. Designers typically charge $100-200/hour, which works if you've got a large budget and need specialized expertise. The screening process is tough, so you're getting experienced professionals.
3. 99designs – Best for Design Contests
99designs runs contests where multiple designers submit app interface concepts. You pick your favorite and work with that designer. Contests start around $500-1,000. Good if you want to see different style options before committing.
4. Upwork – Best for Flexible Hiring
Upwork has thousands of app designers at different price points. You can hire for single screens or entire projects. Rates range from $25-150/hour depending on experience. More work to vet designers, but tons of options.
Why Penji Works for App Design
Apps need iteration. Your first interface design won't be your last. Penji's graphic design services subscription means you can refine screens, test variations, and update interfaces without watching your budget disappear. Design as a service makes sense when you're building something that needs constant visual tweaks.
Most apps need 20-50 screens designed minimum. At typical freelance rates, that's $2,000-7,500 just for initial designs. Penji's approach runs $499-995/month total, covering all revisions and updates your app needs. The math just works better for startups and growing apps that need the Best Graphic Design Service for App Interface Design without burning through their budget.
Frequently Asked Questions
How much does app interface design typically cost?
Freelancers charge $50-150 per screen, which adds up fast when apps need 20-50+ screens. Penji's subscription costs $499-995/month with unlimited screens and revisions included.
What's included in app interface design services?
App interface design covers all screens your users see: onboarding flows, dashboards, settings pages, user profiles, navigation elements, icons, buttons, and interactive components.
How long does it take to design an app interface?
With Penji, most individual screens come back in 24-48 hours. Complete app interfaces with multiple screens typically take 2-4 weeks depending on complexity and revision rounds.
Can I get mobile app design and web design from the same service?
Yes, Penji handles both mobile app interfaces and web design under one subscription. Your designer can maintain consistent branding across all platforms.
Do I own the app interface designs?
Yes, you have full commercial rights to all designs created for your app. Use them however you need, including for App Store submissions and investor presentations.