Comparison

LittleGray Calculator vs 智能计算器

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

Head to head
About

LittleGray Calculator

This advanced calculator handles large numbers and complex expressions with real-time calculations. Its columnar display shows the calculation process, and multiple keyboard layouts offer flexibility. Save and recall history, or sync across devices.

Highlights
  • High-precision large number calculations
  • Real-time custom function evaluation
  • Columnar display for process and results
  • Multiple keyboard layouts
  • History record function
  • iCloud cloud synchronization
  • Real-time voice input
Features
Read full description

LittleGray Calculator-Infinity is a high-precision large number scientific calculator that supports real-time calculations of custom functions and expressions. The columnar display window allows you to intuitively view the calculation process and calculation results of expressions. A variety of button layouts allow You quickly swipe to switch between the simple keyboard and the all-purpose keyboard. LittleGray Calculator-Infinity allows you to copy expressions from anywhere to the expression bar and modify the expressions by editing. It can also automatically generate historical records through the regular "=" sign of the calculator, and you can copy the parts you need in the historical records to The expression bar is recalculated. LittleGray Calculator-Infinity features: 1. Columnar layout 2. The column display window is displayed in multiple modes, and the size of the column window can be switched by clicking the column display window three times 3. Support large number calculation function, up to 9999 factorial and 9999^9999 power. 4. Unlimited display mode of large integer digits. 5. Support the four arithmetic operations of arbitrary precision of addition, subtraction, multiplication and division, and the maximum division is reserved to 1000 digits after the decimal point 6. Custom function formula function, functions can be classified. 7 multiple key modes: simple keyboard, function keyboard, hexadecimal\logic calculation keyboard, the keyboard can be switched by sliding left and right 8. History record function 9. iCloud cloud synchronization function 10. Real-time voice function 11. Multiple button color matching 12. More functions are waiting for you to discover

About

智能计算器

Features
Read full description

智能计算器是一款集各种单位换算、工程计算、汇率、房贷和税率计算为一体的多功能计算机,整体简约清晰,便于操作,算力强大,高效快速。是用户生活、工作和学习中的得力小帮手。 关于会员订阅 确认购买后将从苹果账户扣除相应的费用; 会员套餐为:周月季和永久 自动续订:周月季为自动续订,除非在当前周期结束前 24 小时取消自动续订,否则会自动续期。 自动续订将在当期结束前 24 小时内收取对应周期的续订费用。 用户协议:https://kdocs.cn/l/ckP9J5RYue5e 隐私协议:https://kdocs.cn/l/cpbz5rCPE7iO

Screenshots

LittleGray Calculator4 screens
智能计算器3 screens

Verdict

The call

The clearest difference is price: 智能计算器 at Free against LittleGray Calculator's $2.99. 智能计算器 also leads on update cadence (every 5 days vs every 4 months). LittleGray Calculator's advantage is in-app purchases (none vs 4) and iOS requirement (8.0 vs 13.0). On 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

智能计算器 is free to download; LittleGray Calculator costs $2.99 up front. 智能计算器 sells 4 in-app purchases, starting at $0.99 per month. LittleGray Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

LittleGray Calculator ships an update every 4 months, 智能计算器 every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
LittleGray Calculator versus 智能计算器: the parameters behind the verdict, then further details
ParameterLittleGray Calculator智能计算器
Price$2.99Free — better
Rating2.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size16 MB16 MB
Age rating4+4+
Developer峻 杨Hebei jiudao network technology co., ltd

In-app purchases

None

LittleGray Calculator

No in-app purchases

4 purchases

智能计算器

Subscriptions3
  • 月会员$0.991 Month
  • 周会员$0.997 Days
  • 季会员$2.993 Months
One-time1
  • 永久会员$7.99

Questions

Is LittleGray Calculator free?
LittleGray Calculator costs $2.99, with no in-app purchases.
Is 智能计算器 free?
智能计算器 is free to download, with in-app purchases available.
Do LittleGray Calculator or 智能计算器 have ads?
Neither LittleGray Calculator nor 智能计算器 shows ads.
Which is updated more often, LittleGray Calculator or 智能计算器?
LittleGray Calculator ships an update every 4 months, and 智能计算器 every 5 days. Most recently, LittleGray Calculator was updated on October 24, 2026 and 智能计算器 on October 25, 2026.

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