Comparison

睿图 vs Duck Calculator

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

Head to head
About

睿图

Features
Read full description

专业篮球战术管理软件

About

Duck Calculator

This app appears as a standard calculator but has a hidden "magic" mode. It can display preset text or images when a specific number is calculated, offering creative surprises for pranks or confessions.

Highlights
  • Accurate standard calculations
  • Magic mode for custom results
  • Display preset text or pictures
  • Customizable magic effects
  • Secret and low-key design
Features
Read full description

There is no magic in this world itself, it is just a trick prepared by people who love you. This love may only need a magic calculator. The Real Fake calculator is a seemingly ordinary calculator, but it hides amazing "magic" features. When entering a specific number, it will instantly display your preset text or picture, bringing unexpected surprises to ordinary calculations. This is not only a tool, but also a trick full of creativity and love. Main functions: • Accurate calculation, full functionality: Like ordinary calculators, support daily computing needs. • Magic mode: Set a "magic result" and when this number is calculated, the calculator will display your own text or picture. • Custom magic effects: Whether it's a romantic confession, a funny picture, or a stunning puzzle, it's easy to set up and surprise. • Secret and low-key: Looks like a regular calculator, whether it's a prank or a confession, it will surprise people. Let the Duck calculator bring you to feel the miraculous warmth and fun!

Screenshots

睿图4 screens
Duck Calculator4 screens

Verdict

The call

The clearest difference is price: 睿图 at Free against Duck Calculator's $0.99. 睿图 also leads on iOS requirement (14.0 vs 16.0). Duck Calculator's advantage is in-app purchases (none vs 6). On update cadence, ads 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

睿图 is free to download; Duck Calculator costs $0.99 up front. 睿图 sells 6 one-off in-app purchases. Duck Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

睿图 ships an update every 5 months, Duck Calculator every 7 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 5 level
睿图 versus Duck Calculator: the parameters behind the verdict, then further details
Parameter睿图Duck Calculator
PriceFree — better$0.99
Positive reviews—100.0% of reviews
Update frequencyEvery 5 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size6 MB1 MB
Age rating4+4+
DeveloperRootSportsInvestmentBeijingCo.,Ltd.德铭 何

In-app purchases

6 purchases

睿图

One-time6
  • 1个月会员$5.99
  • 学生1年会员$14.99
  • 3个月会员$14.99
Show 3 more
  • 6个月会员$19.99
  • 1年会员$29.99
  • 2年会员$49.99
None

Duck Calculator

No in-app purchases

Questions

Is 睿图 free?
睿图 is free to download, with in-app purchases available.
Is Duck Calculator free?
Duck Calculator costs $0.99, with no in-app purchases.
Do 睿图 or Duck Calculator have ads?
Neither 睿图 nor Duck Calculator shows ads.
Which is updated more often, 睿图 or Duck Calculator?
睿图 ships an update every 5 months, and Duck Calculator every 7 months. Most recently, 睿图 was updated on October 13, 2026 and Duck Calculator on October 11, 2026.

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