HuePaint vs GreyStep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HuePaint
Create digital art with realistic brushes and dynamic stroke sizes based on fingertip pressure. Offers a user-friendly interface with customizable tools and supports advanced features like layers and photo tracing.
- Live-calculated brushes and strokes
- Dynamic stroke size based on fingertip pressure
- Adjustable parameters while painting
- Left-handed toolbar option
- Multiple layers
- Photo tracing mode (Pro feature)
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Paint and create beautiful works of art using this app’s expressive painting tools and workflow-friendly user interface. • COLORFUL PAINTING TOOLS • HuePaint features live-calculated brushes and strokes that interact in real time with a canvas texture that is uniquely generated for each picture. • FINGERTIP = STROKE SIZE • When you paint, the app measures how much of your finger is touching the screen and changes the stroke size accordingly. Apply just the corner of your fingertip for a thin line, or the whole fingerprint area for a broad stroke. A 2nd tool assigned to your finger will still use this feature, so don’t ignore it just because you have an Apple Pencil! • LEFT-HANDED? • Just swipe the toolbar over to the other side! • PARAMETERS CAN BE CHANGED LIVE • Use any buttons or controls to change/adjust color, size, force, simultaneously while painting. • UNIVERSAL PURCHASE • If you choose to buy the Pro upgrade, this one-time in-app purchase will unlock all Pro features in the app on all available platforms (iPad-iPhone-Mac)! • METAL • The engine is based on Metal, with 128-bit color and floating-point arithmetic. • SWIFT • The app was developed entirely using Swift (earlier versions used C++). • APPLE PENCIL SUPPORT • FULL SCREEN PAINTING • • DARK MODE • LANDSCAPE • PORTRAIT • WIDE COLOR • • MULTIPLE LAYERS • PHOTO TRACING MODE (Pro feature) •
GreyStep
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Converts an image from the photo library to a 4-value monochrome image.
Screenshots
Verdict
The clearest difference is in-app purchases: GreyStep at none against HuePaint's 6. GreyStep also leads on update cadence (every 6 days vs every 2 months). HuePaint's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 16.6). On price and ads 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. HuePaint sells 6 one-off in-app purchases. GreyStep asks for nothing beyond the download.
HuePaint ships an update every 2 months, GreyStep every 6 days. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.
| Parameter | HuePaint | GreyStep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (164 ratings) — better | — |
| Positive reviews | 69.4% of reviews | — |
| Number of ratings | 164 — better | — |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 23 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Norbyte | Yukihiro Shioya |
In-app purchases
HuePaint
- Tip Jar: Smallest Tip$1.00
- Tip Jar: Small Tip$2.00
- Tip Jar: Medium Tip$5.00
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- Pro Upgrade$6.00
- Tip Jar: Big Tip$10.00
- Tip Jar: Biggest Tip$25.00
GreyStep
No in-app purchases









