Comparison

FairOrg LeadApp vs sci.calculator

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

Head to head
About

FairOrg LeadApp

Features
Read full description

Digital and mobile lead app for contact data acquisition on trade shows and other events. With OCR recognition, offline and online capability, CRM interfaces, CI adaptation, DSGVO compliant, automatic e-mail follow-up etc. The application is linked to our web-based, modular organization and planning solution FairOrg (online portal). In order to use the FairOrg LeadApp a personalized login is required. If you have purchased the licenses for use and have any questions, please contact our fairtec support.

About

sci.calculator

Features
Read full description

A stylish yet powerful scientific calculator. The app is designed with a single-screen layout for simple and intuitive operation. Calculation history is saved and can be reused easily. Results are shown in both mathematical notation and decimal format. 【Main Features】 • Basic arithmetic, modulo, trigonometric functions • Exponential, logarithmic, power and root calculations • Unit conversion and 47 scientific constants (CODEC2022) • Prime factorization, GCD and LCM • Binary, octal and hexadecimal calculations with logical operations • 8 memory slots • Permutations, combinations, and pseudo-random numbers • Systems of linear equations (up to 4 variables) • Polynomial equations (up to 4th degree) • Equation solving using Newton’s method • Time and angle calculations • External keyboard support 【Designed for Ease of Use】 • Unit conversion includes intuitive units such as “Tokyo Dome volume,” light-years, and cooking measurements. • Choose from 6 color themes to match your iPhone or iPad. • Quick switching between RAD/DEG and number bases on a single screen. • Supports iPad multitasking, allowing calculations alongside other apps. Clean, readable, and efficient. A scientific calculator that combines functionality with a modern design.

Screenshots

FairOrg LeadApp3 screens
sci.calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: FairOrg LeadApp at none against sci.calculator's 1. FairOrg LeadApp also leads on iOS requirement (8.0 vs 15.0). sci.calculator's advantage is update cadence (every 5 weeks vs every 28 months). On price, 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

Both are free to download. sci.calculator sells 1 one-off in-app purchase. FairOrg LeadApp asks for nothing beyond the download.

UpkeepUpdate frequency

FairOrg LeadApp ships an update every 28 months, sci.calculator every 5 weeks. The most recent releases landed on September 7, 2026 and December 22, 2025 respectively.

Scorecard3 real differences · 3 level
FairOrg LeadApp versus sci.calculator: the parameters behind the verdict, then further details
ParameterFairOrg LeadAppsci.calculator
PriceFreeFree
Update frequencyEvery 28 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size3 MB49 MB
Age rating4+4+
Developerfairtec Kommunikationstechnik GmbHYukihiro Shioya

In-app purchases

None

FairOrg LeadApp

No in-app purchases

1 purchases

sci.calculator

One-time1
  • remove Ads$1.99

Questions

Is FairOrg LeadApp free?
FairOrg LeadApp is free to download, with no in-app purchases.
Is sci.calculator free?
sci.calculator is free to download, with in-app purchases available.
Do FairOrg LeadApp or sci.calculator have ads?
Neither FairOrg LeadApp nor sci.calculator shows ads.
Which is updated more often, FairOrg LeadApp or sci.calculator?
FairOrg LeadApp ships an update every 28 months, and sci.calculator every 5 weeks. Most recently, FairOrg LeadApp was updated on September 7, 2026 and sci.calculator on December 22, 2025.

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