Comparison

Glow Doodle vs ZeroOneFlow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Glow Doodle

Create vibrant, glowing drawings with a unique neon effect. This app is praised by educators and parents for its art, educational, and fine motor skill development benefits. It offers a simple yet engaging interface with carefully curated colors and a magical "glow" button.

Highlights
  • Razor sharp light glow effect
  • Harmonious doodle colors
  • Auto-hiding toolbar
  • Erase previous stroke
  • Save drawings to photo albums
  • Apple Pencil support
Features
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A Top 5 Best Selling App^ - The original Glow Doodle. Glow Doodle is thankfully the choice of many teachers worldwide who embrace educational technology to their classroom for art, math, language lessons and fine motor skill activities^^. Glow Doodle has all it takes to make a doodling app a Top 5 App among hundred thousands of Apps: - Originality: Glow Doodle was the first to bring razor sharp neon effect from the hands of professional designers to the fingertips of everyone of every age. It lit up iPhone users' Christmas & winter nights with a magical mood like never before when Glow Doodle was introduced in winter 2009 - Quality-over-quantity & painstaking effort behind the simple to use App: While we could have allowed users to pick millions of random colors & line thickness, instead, we spent tedious effort to fine tune a few in order to maintain a harmonious & less confusing user experience for all ages. - Support from quality users: It was the overwhelming support from our users propelled Glow Doodle to TOP 5 Best Selling Paid App in the US and UK App Stores. We are grateful to our quality users including teachers, elementary teachers around the world who brought Glow Doodle to their classrooms with a creative mind & respect for originality, an invaluable message to our creative children. - Special Needs Friendly: Parents & professionals including pediatric OTs taking care of kids with special needs such as autism have also found Glow Doodle useful. In addition to the simple user interface, Glow Doodle takes the approach of "magic" button which provides cause & effect experience to enhance visual sensory & fine motor skills developments. The moment when you press the "GLOW" button, you will be amazed how a seemingly ordinary drawing turns into truly stunning Glow Doodle effect. It's a unique original experience that sets Glow Doodle apart from others who follow suit. Now updated with Nordic Ice Blue color (available via IAP) and option to draw with Apple Pencil only so that you can unleash your glowing creativity to the next level. KEY FEATURES: * Razor sharp Light Glow Effect * Harmonious Doodle Colors: Red, Green, Blue, Yellow, Orange, Pink, White, Magenta * Auto-hiding toolbar (auto-hide while drawing) * Erase the previous stroke (by pressing the counter-clockwise arrow button) * Motivational Glowy Rocket may suddenly turn up * Save drawing to Photo Albums to share EDUCATION FRIENDLY SETTING: * Option to hide In-App Purchase button via Settings app APPLE PENCIL FRIENDLY SETTING: * Option to allow drawing with Apple Pencil only via Settings app NORDIC ICE BLUE EDITION (Available via In-App Purchase): * Unlocks Nordic Ice Blue color * Unlocks Rocket Sure Launch - Instead of appearing once in a while, motivational Glowy Rocket launches every time you light up your drawing * Hides IAP button ADVANCED DRAWING TIPS: You can make part of your drawing "glow" (e.g. the flame of a rocket) while other part of the drawing doesn't "glow" (e.g. the rocket body). For example, (1) draw the flame of the rocket first; (2) then press the "GLOW" button to make it glow; (3) continue to draw the rocket body without pressing the "GLOW" button. REMARKS: ^US & UK App Store; Jan 2010; Overall Paid Chart & Entertainment Paid Chart SHARE & FOLLOW: Follow us or Share with us on: Twitter https://twitter.com/GlowDoodle Pinterest http://pinterest.com/oodot/ Facebook http://www.facebook.com/CrossDisciplineTechnologyLimited Flickr http://www.flickr.com/photos/cdtapps/ ^^Sharing by teachers & schools: http://www.pinterest.com/oodot/glow-doodle-in-classroom-learning/

About

ZeroOneFlow

Features
Read full description

Infinity begins in binary. From the silent dance of 0 and 1, a universe unfolds. 0 and 1. Nothing more. Yet from them, everything.

Screenshots

Glow Doodle4 screens
ZeroOneFlow4 screens

Verdict

The call

The clearest difference is price: ZeroOneFlow at Free against Glow Doodle's $0.99. ZeroOneFlow also leads on update cadence (every 3 weeks vs every 3 months). Glow Doodle's advantage is iOS requirement (12.0 vs 16.2). On ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

ZeroOneFlow is free to download; Glow Doodle costs $0.99 up front. Glow Doodle sells 1 one-off in-app purchase and ZeroOneFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Glow Doodle ships an update every 3 months, ZeroOneFlow every 3 weeks. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Glow Doodle versus ZeroOneFlow: the parameters behind the verdict, then further details
ParameterGlow DoodleZeroOneFlow
Price$0.99Free — better
Rating2.9 (10 ratings) — better—
Positive reviews67.4% of reviews—
Number of ratings10 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.2
Further details — not scored
Size7 MB1 MB
Age rating4+4+
DeveloperY LauFu Ni

Bugs and requests

Glow Doodle

Reported bugs

3 issues
  • App crashes on launch
  • Saved images lose glow effect
  • Drawing toolbar interferes with usage

Requested features

4 requests
  • More color options
  • Ability to draw on photos from library
  • Brush size and eraser tool
  • Ability to save glowing images accurately

ZeroOneFlow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Glow Doodle

One-time1
  • Nordic Ice Blue Edition$0.99
1 purchases

ZeroOneFlow

One-time1
  • Tornado$0.99

Questions

Is Glow Doodle free?
Glow Doodle costs $0.99, and also offers in-app purchases.
Is ZeroOneFlow free?
ZeroOneFlow is free to download, with in-app purchases available.
Do Glow Doodle or ZeroOneFlow have ads?
Neither Glow Doodle nor ZeroOneFlow shows ads.
Which is updated more often, Glow Doodle or ZeroOneFlow?
Glow Doodle ships an update every 3 months, and ZeroOneFlow every 3 weeks. Most recently, Glow Doodle was updated on November 10, 2026 and ZeroOneFlow on November 7, 2026.

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