Comparison

Magnet Calculator vs Humidity Calc

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

Head to head
About

Magnet Calculator

A calculator app that allows results to be freely moved and organized like magnets. Easily drag results to your clipboard, share them, or trash them. Offers customizable themes and a simple interface for daily calculations.

Highlights
  • Movable calculation results
  • Drag and drop to clipboard/share
  • Trash unwanted results
  • Sticky notes sums
  • Customizable themes
  • Basic daily calculator functions
Features
Read full description

Magnet style ~Easy memory~ Try the new calculator at smartphone era. - Calculation results movable. - Put it freely like Magnet. - Drag result to clipboard, send and share. - Drag to trash if the results do not use. - One button click to get all sticky notes sums. - Basic function calculator for use in daily life. - Skin of theme (iOS original style, cherry pink style for female). Let's try ease-of-use Calculator now.

About

Humidity Calc

Features
Read full description

【Calculate Theoretical Relative Humidity】 A humidity calculation app for managing indoor humidity and checking humidifier performance. Calculate the theoretical indoor relative humidity from the outdoor temperature, outdoor relative humidity, and your indoor temperature. By comparing the calculated value with your hygrometer reading, you can estimate humidification performance and determine when a humidifier filter may need replacement. This app does not measure humidity. 【Key Features】 • Calculate theoretical indoor relative humidity • Compare calculated and measured humidity • Check humidifier performance • Estimate humidifier filter deterioration and replacement timing • Support daily indoor humidity management 【Recommended For】 • Users of evaporative humidifiers • Anyone who wants to check humidifier performance • Anyone who wants to know when to replace a humidifier filter • People managing indoor humidity during dry seasons • Anyone who wants to compare theoretical and measured humidity 【What Is Theoretical Relative Humidity?】 This app calculates the theoretical indoor relative humidity by converting outdoor relative humidity based on the amount of water vapor and applying the indoor temperature. Comparing the theoretical value with your hygrometer reading helps you evaluate humidifier performance and estimate whether the filter has lost efficiency. Ideal for users who want a simple way to monitor indoor humidity and maintain humidifier performance.

Screenshots

Magnet Calculator4 screens
Humidity Calc3 screens

Verdict

The call

The clearest difference is in-app purchases: Humidity Calc at none against Magnet Calculator's 1. Humidity Calc also leads on update cadence (every 3 weeks vs every 4 months). Magnet Calculator's advantage is iOS requirement (9.0 vs 17.6). 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. Magnet Calculator sells 1 one-off in-app purchase. Humidity Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Magnet Calculator ships an update every 4 months, Humidity Calc every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Magnet Calculator versus Humidity Calc: the parameters behind the verdict, then further details
ParameterMagnet CalculatorHumidity Calc
PriceFreeFree
Rating4.6 (16 ratings) — better—
Positive reviews91.5% of reviews—
Number of ratings16 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.6
Further details — not scored
Size4 MB38 MB
Age rating4+4+
DeveloperQQ TSUBASAHiroaki Oosawa

In-app purchases

1 purchases

Magnet Calculator

One-time1
  • Sticky Calc - Premium Edition (without ads)$1.99
None

Humidity Calc

No in-app purchases

Questions

Is Magnet Calculator free?
Magnet Calculator is free to download, with in-app purchases available.
Is Humidity Calc free?
Humidity Calc is free to download, with no in-app purchases.
Do Magnet Calculator or Humidity Calc have ads?
Both Magnet Calculator and Humidity Calc show ads.
Which is updated more often, Magnet Calculator or Humidity Calc?
Magnet Calculator ships an update every 4 months, and Humidity Calc every 3 weeks. Most recently, Magnet Calculator was updated on November 1, 2026 and Humidity Calc on October 31, 2026.

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