Art Set 4 is free to grab today and genuinely worth the download for anyone with an Apple Pencil and an iPad. The catch: its best tools sit behind a paywall, and the free tier is generous enough to trap you into hours of painting before you hit it. My recommendation? Install immediately, paint for a week, then decide if Premium Pro earns your money based on whether you're actually finishing pieces or just doodling.
The Hidden Cost of "Free" and Why the Business Model Works Against Hobbyists
Here's the assumption worth puncturing: Art Set 4 being "free for the first time ever" means it's suddenly accessible to casual users. The opposite is true. The free tier is a strategic honeypot designed by LOFOPI to convert committed artists into paying users, and the pricing structure punishes the curious middle—people who paint monthly, not daily.
The free download gets you hyper-real oil paint, watercolor with fluid simulation, 3D paint, pencils, markers, blenders, time-lapse recording, PSD export, and full Apple Pencil support. That's not a demo. That's a complete digital art suite that would have cost money five years ago. The watercolor engine specifically tracks wet and dry canvas states, and the 3D paint lets you etch back into thick strokes—features that Procreate, the category leader, handles differently through its smudge tools and layer system.
So where's the trap? The Premium Pro features—cut off mid-description in Apple's listing—gate the tools that separate sketching from professional workflow: expanded brush libraries, higher resolution exports, advanced layer management, and presumably the full metallic color range. LOFOPI doesn't disclose exact Premium pricing in the store listing, which is itself a red flag. Competitors like Procreate charge a flat fee; the creative app space has seen growing user frustration as monthly costs stack across Adobe, Procreate Dreams, and specialized tools.
The asymmetry: if you paint twice a month, a one-time purchase elsewhere may suit you better. If you paint daily and need watercolor simulation that Procreate lacks, the Premium Pro unlock may be cheaper than buying physical supplies. Most users fall between these poles, and that's where LOFOPI's model extracts maximum revenue from minimum commitment.
Performance is a genuine strength. The app is rebuilt in Metal 2, runs at 165.9 MB—lean compared to competitors—and supports split-screen reference workflow. Auto-save and iOS Files integration mean you're not losing work to crashes. The minimalist UI with customizable workspace actually respects screen real estate on 11-inch iPads, where toolbars eat painting area.
But the onboarding has a dark pattern. The in-depth user guide with video lives inside the app, not upfront. First-time users encounter the full tool spread immediately, and the "Slow Draw" lag feature for calligraphy—buried in settings—could save beginners hours of shaky-line frustration if it were defaulted on. Instead, you're expected to discover it.
Who Should Grab It, Who Should Skip, and the Procreate Problem
Best fit: Apple Pencil owners who want watercolor behavior without learning Photoshop brush dynamics, art students experimenting with medium simulation before buying physical supplies, and iPad users who split-screen reference images while working.
Avoid if: you already own Procreate and don't need watercolor-specific fluid simulation, you refuse in-app purchases on principle, or you work primarily at print-resolution sizes where export limitations may bite.
The comparative framing matters more than star ratings. Art Set 4's 4.6 from 35,000 ratings on the Chinese App Store (per the listing) suggests satisfaction, but rating distributions for creative apps skew positive because users self-select for interest. The meaningful comparison is workflow: Procreate offers animation, larger canvas sizes, and a one-time fee; Art Set 4 offers superior watercolor physics and 3D paint texture but requires a separate purchase for full access.
Decision shortcut: use this two-week test. Track your sessions. If you finish three pieces you want to export, check whether free-tier resolution suffices for your needs—social media usually yes, gallery printing usually no. If you need Premium for export, weigh that one-time unlock cost against Procreate's flat fee and your expected usage years. Premium Pro typically runs $9.99-$12.99; if you plan to use the app for more than a couple years, the math deserves scrutiny against alternatives.
The Apple Pencil integration deserves specific mention. Pressure sensitivity here isn't binary on/off; the "additional expressions" and sensitivity levels mentioned in the store description translate to tilt-aware shading and velocity-responsive stroke width that feel closer to physical media than most competitors. This isn't marketing fluff—it's the difference between drawing tools that feel like digital approximations and ones that disappear into muscle memory.
Caveats that change the recommendation: if LOFOPI introduces a subscription tier, the math shifts dramatically. If you're on an older iPad without Pencil support, the app's core value proposition collapses—finger painting misses the pressure dynamics that justify the toolset. And if the Premium Pro pricing exceeds roughly $15 when you check, the unlock becomes harder to defend against flat-fee alternatives.
The One Thing to Do Differently
Don't let the free download's generosity push you into a purchase before you've tested your actual habits. Paint five pieces, hit the export wall, then decide if the locked features solve a problem you genuinely have—or if you're paying for the anxiety of not knowing what you're missing.
