Amazon / Games / HAPPY COLOR® – COLOR BY NUMBER, COLORING BOOK
REVIEW
Happy Color is the colour-by-numbers app the entire genre is trying to be.
X-Flow's coloring book has been on app stores since 2017 and has, against the odds, become the dominant casual-art F2P experience. The Amazon version is fine. The category itself is the surprise.
BY THE APP COMRADE DESK · MAY 8, 2026 · 3 MIN READ
Happy Color® – Color by Number, Coloring Book
X-FLOW LTD
OUR SCORE
7.6
AMAZON
★ 4.4
PRICE
Free
The mobile-app industry has spent a decade trying to package “wellness” — mindful breathing apps, meditation guides, mood trackers, gratitude journals. Most of those products optimize for engagement metrics more than actual user wellbeing, and the category has earned a reasonable amount of skepticism. Happy Color is, surprisingly, the closest thing to a wellness app that actually delivers what the wellness category promises: low-stakes activity, no pressure, time-flow-like-water sessions. Color-by-numbers is, against all expectation, a meditation tool that works.
X-Flow has been refining the formula since 2017. The colouring catalogue is large enough for daily variety, the mechanic is simple enough to teach in 30 seconds, and the design absence — no scores, no daily streaks, no “you’ll lose progress if you skip a day” pressure — is the rare F2P design choice that’s user-respectful rather than user-exploitative. The free-tier monetization through ads is heavy, and Premium is honest enough about what it removes; the math for daily users is reasonable.
The Fire TV / Fire Tablet adaptation is the version this review covers, and the platform fit is real. A 65-inch TV with a directional remote isn’t where most users would imagine doing colouring, but for some demographics (older users, multi-generational households where the TV is the “shared screen”, users with limited dexterity for phone-screen tapping) it’s genuinely a more comfortable experience. The Amazon Appstore version is the same Happy Color as on phone, well-adapted to the larger surface. Worth installing for the audience that wants this kind of activity.
Happy Color is the casual-art product the wellness-app industry has been trying to build for ten years.
FEATURES
Happy Color is X-Flow's color-by-numbers coloring app, available on Amazon Fire TV / Fire Tablet through the Appstore. The catalog includes thousands of pre-made coloring images across categories (Animals, Mandalas, Anime, Fantasy, Pop Art, Festive, Movies, etc.); each image is divided into numbered regions and the user taps each region to fill it with the corresponding palette color.
Core mechanic: tap a region with the matching number, watch it fill with the assigned color, progress to the next region. Completed images can be saved, shared, or animated (the optional video playback shows the coloring sequence speed-painted). Daily new images keep the catalogue fresh.
Free with ads. Subscription tier removes ads and unlocks the full catalogue (the free tier rotates through approximately 40% of total content). Premium pricing is approximately $2.99/month or $19.99/year. Purchasable images on the free tier (typically $0.99 each) bypass the subscription for one-off use.
Cross-device sync via X-Flow account. The Fire TV port is well-adapted for remote / controller input — the directional pad maps to region-tapping, with magnification controls for the smaller-numbered regions.
MISSION ACCOMPLISHED
As mindful entertainment, Happy Color is genuinely well-designed. The color-by-numbers mechanic is a flow-state activity for many users — methodical, low-stakes, satisfying-on-completion. The app doesn't introduce time pressure, scoring, or competition; it's an activity, not a game in the engagement-extraction sense.
The catalogue is large and curated. The genre rotation is the right balance — enough variety that users can find something appealing in any session, narrow enough that browsing isn't overwhelming. The art quality is consistently competent; not Pixar-tier illustration but well-suited to the colour-by-numbers format.
The Fire TV adaptation is unusual in a positive way. Most coloring apps are phone-and-tablet-first; the TV version, with directional input and a larger viewing surface, is genuinely a different experience that some users (especially older audiences) prefer.
ROOM TO IMPROVE
Free-tier ad density is high. Banner ads while colouring are persistent; full-screen interstitials between completed images are aggressive. The Premium upgrade meaningfully improves the experience and the math probably works for any user who plans to colour regularly.
The catalogue includes some licensed-property content (Disney-themed images, Marvel-themed sets) where the licensing relationships have been opaque — sometimes content disappears mid-week as license windows close. Most coloring is original or non-licensed but the unpredictable removals are jarring for users who'd been working on a specific image.
No multi-device cross-progress for in-progress images. Starting a colouring on Fire Tablet and continuing on a phone requires re-starting the image; only completed images sync across devices.
CONCLUSION
Install Happy Color on Fire TV or Fire Tablet for a meditative casual-art experience. The free tier is functional but ad-heavy enough that regular users should consider Premium ($19.99/year). The category in 2026 has multiple competent options (Pixel Art, Color Planet, Sandbox); Happy Color is the strongest of the cohort and the Amazon Appstore version is well-adapted for TV / tablet input. Best digital coloring book on Amazon's platform.