Comparison

Calcy vs TechTools App

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

Head to head
About

Calcy

This utility app provides a comprehensive calculator with a history of previous calculations and automatic number saving. It offers scientific functions, constants, and supports both portrait and landscape orientations. A premium subscription unlocks all features for an annual fee.

Highlights
  • Calculation history
  • Automatically save numbers
  • Scientific notation
  • Portrait and landscape support
  • Copy result
  • Scientific functions (sin, cos, tan, etc.)
  • Mathematical constants (pi, e)
Features
Read full description

Calcy - Calculator for iPad and iPhone. You can look up and easy use previous calculations. Features: - History of calculations - Automatically save numbers - Scientific notation - Portrait and landscape orientations - Copy result Functions: - sin - cos - tan - arcsin - arccos - arctan - x² - x³ - xⁿ - ²√x - ³√x - ⁿ√x - 1/x - ln - log Constants: - pi - e Premium: Subscription available for $0.99/year and provides access to all features. Your subscription will renew automatically each year and payment will be charged to your iTunes Account within 24-hours prior to the end of the current period. You can turn off auto-renewal by going to your Account Settings after purchase. Terms of Use: http://gv-apps.com/appsTermsOfUse.html Privacy Policy: http://gv-apps.com/appsPrivacyPolicy.html

About

TechTools App

This app provides essential tools for lighting technicians, desk operators, and network administrators. It includes calculators for DMX addressing, IP addresses, and beam calculations, along with various useful converters for technical data.

Highlights
  • DMX addressing wizard
  • IP address and class calculator
  • Color code reference
  • Beam calculator
  • Electrical cable color codes
  • Ingress Protection Code guide
  • Technical data converters
Features
Read full description

This application aims to be in the pocket of any technician, light desk operator, or stage network administrator. You will find the most useful tools for a lighting technician or manager, a desk operator or a network administrator. - DMX addressing wizard and dipswitch - IP addresses and classes - Color code - Beam Calculator - Electrical cable colors - Ingress Protection Code As well as several converters : - percentage / decimal on 24 bits, i.e. 3 bytes (for the usual coarse/fine/ultra values on the lighting desks and in the fixtures). - CIDR notation / dotted decimal notation for network masks - hexadecimal / decimal for ART-net universes notations, for example

Screenshots

Calcy4 screens
TechTools App4 screens

Verdict

The call

The clearest difference is price: Calcy at Free against TechTools App's $4.00. Calcy also leads on update cadence (every 2 months vs every 25 months) and iOS requirement (9.0 vs 14.1). TechTools App's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 83%). 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

Calcy is free to download; TechTools App costs $4.00 up front. Calcy sells 2 in-app purchases, starting at $0.99 per year. TechTools App asks for nothing beyond the download.

UpkeepUpdate frequency

Calcy ships an update every 2 months, TechTools App every 25 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard6 real differences · 4 level
Calcy versus TechTools App: the parameters behind the verdict, then further details
ParameterCalcyTechTools App
PriceFree — better$4.00
Rating4.8 (42 ratings) — better—
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings42 — better—
Update frequencyEvery 2 months — betterEvery 25 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better14.1
Further details — not scored
Size10 MB16 MB
Age rating4+17+
DeveloperVitalii GryniukNoe Loridan

Customer experience

Calcy

All ratings42 ratings
Positive92.9%
Neutral4.8%
Negative2.4%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

TechTools App

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Calcy

Subscriptions1
  • Premium7 Days trial$0.991 Year
One-time1
  • Remove Ads$0.99
None

TechTools App

No in-app purchases

Questions

Is Calcy free?
Calcy is free to download, with in-app purchases available.
Is TechTools App free?
TechTools App costs $4.00, with no in-app purchases.
Do Calcy or TechTools App have ads?
Neither Calcy nor TechTools App shows ads.
Which is updated more often, Calcy or TechTools App?
Calcy ships an update every 2 months, and TechTools App every 25 months. Most recently, Calcy was updated on October 14, 2026 and TechTools App on October 8, 2026.

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