Comparison

Probability vs Danmaku Scroll

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

Head to head
About

Probability

Enhance your decision-making skills by learning to assess probabilities with this app. It offers formulas for problem-solving, note-taking capabilities, and interactive tools like dice and coin tosses for practical learning.

Highlights
  • Probability assessment
  • Decision-making improvement
  • Problem-solving formulas
  • Personalized notes
  • Dice and coin toss simulations
Features
Read full description

Probability is the key to making decisions under uncertainty, and with our app,  you can improve your ability to assess probabilities and make better decisions in life.  Our app includes different formulas to help you solve problems and make decisions,  as well as the option to take references and write down your own notes about probability.  Plus, you can have fun with probability by tossing dice and coins.

About

Danmaku Scroll

Features
Read full description

Danmaku Scroll is a professional LED text display tool suitable for any scenario: Core Features - 10 dynamic text effects: Smooth Scroll, Vertical Scroll, Neon Flash, Size Dynamic, Static, Char by Char, Wave, Random Blink, Solid Color, Color Transform - 5 LED-style fonts: Bold LED, Rounded LED, Monospaced LED, System, LED Digital - 14+ color and background combinations with custom color support - 16 built-in scene templates: Confession, Shout and Call, Stall Selling, Info Display, Cheer, Blessing, Live Chat, Fun and Pranks, and more - Manual font size and scroll speed adjustment Multilingual Support - Supports 13 languages: Simplified Chinese, English, Japanese, German, French, Korean, Portuguese (Brazil), Spanish, Italian, Dutch, Arabic, Swedish, Turkish - Auto-switches based on system language - All template content intelligently translated Privacy Protection - Completely offline, no network required - No personal data collection - No account registration required Usage Scenarios - Concert/fan meeting light signs - Livestream interactive text display - Stall/store advertising signs - Birthday party/wedding greetings - Information display (WiFi passwords, business hours, etc.)

Screenshots

Probability4 screens
Danmaku Scroll4 screens

Verdict

The call

The clearest difference is price: Probability at Free against Danmaku Scroll's $0.99. Danmaku Scroll's advantage is in-app purchases (none vs 1) and update cadence (every 4 days vs every 10 days). On ads, device support and iOS requirement 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

Probability is free to download; Danmaku Scroll costs $0.99 up front. Probability sells 1 one-off in-app purchase. Danmaku Scroll asks for nothing beyond the download.

UpkeepUpdate frequency

Probability ships an update every 10 days, Danmaku Scroll every 4 days. Both last shipped on October 5, 2026.

Scorecard3 real differences · 7 level
Probability versus Danmaku Scroll: the parameters behind the verdict, then further details
ParameterProbabilityDanmaku Scroll
PriceFree — better$0.99
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size166 MB1 MB
Age rating4+4+
DeveloperMan Hung Sun里 万

In-app purchases

1 purchases

Probability

One-time1
  • Upgrade$0.99
None

Danmaku Scroll

No in-app purchases

Questions

Is Probability free?
Probability is free to download, with in-app purchases available.
Is Danmaku Scroll free?
Danmaku Scroll costs $0.99, with no in-app purchases.
Do Probability or Danmaku Scroll have ads?
Neither Probability nor Danmaku Scroll shows ads.
Which is updated more often, Probability or Danmaku Scroll?
Probability ships an update every 10 days, and Danmaku Scroll every 4 days. Most recently, Probability was updated on October 5, 2026 and Danmaku Scroll on October 5, 2026.

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