Comparison

WattTimeIsIt? vs Frequency Conversion

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

Head to head
About

WattTimeIsIt?

Easily adjust cooking times for frozen meals based on your microwave's wattage. Avoid under or overcooking your food by converting standard instructions to match your specific appliance.

Highlights
  • Adjust cooking times for wattage differences
  • Prevent under/overcooking food
  • Works with various microwave wattages
  • Ensures perfectly cooked meals
  • Simple and easy to use tool
Features
Read full description

Have a powerful (or weaker) microwave than the "norm?" Annoyed that frozen dinner packages say, "Cook for 5 minutes on high (based on a 1100W microwave)," but your microwave is 1300W or 700W? This app is for you! WattTimeIsIt? is a simple tool that will ensure that you don't under/overcook your food, given a difference in wattage. Perfectly cooked food designed for your microwave wattage, not a test kitchen's microwave. Just ask WattTimeIsIt? and you're all set! **Remember to be safe and always check the temperature of your food before eating it.**

About

Frequency Conversion

Features
Read full description

Frequency Converter is a fast, practical tool for converting frequency units and understanding wave measurements with clarity. Whether you work with audio, radio, electronics, telecommunications, physics, engineering, or education, this app helps you calculate and compare frequency values in seconds. Convert between common frequency units including Hz, kHz, MHz, GHz, and THz, and view related wave information such as wavelength and period where applicable. The clean interface is designed for quick input, easy reading, and smooth everyday use, making it useful for students, technicians, radio enthusiasts, engineers, teachers, and anyone who needs reliable frequency calculations on iPhone. Frequency Converter is built to make technical conversions simple. Enter a value, choose your units, and instantly see the converted result. Use it when studying wave behavior, checking signal ranges, comparing audio frequencies, reviewing RF bands, or working through science and electronics problems. The app also includes helpful reference content so you can better understand frequency ranges and their real-world meaning. Key features include: • Convert frequency values across Hz, kHz, MHz, GHz, and THz • Calculate related wave properties such as wavelength and period • Simple, readable conversion results • Conversion history for reviewing recent calculations • Reference information for common frequency ranges • Clean design for students, engineers, hobbyists, and professionals • Useful for audio, radio, wireless, electronics, physics, and telecom work • Supports quick calculations without unnecessary complexity Frequency Converter is ideal for learning, field work, lab use, classroom exercises, and everyday technical reference. From low-frequency audio signals to high-frequency wireless and electromagnetic waves, the app gives you a convenient way to move between units and understand the numbers behind wave behavior. Download Frequency Converter to make frequency, wavelength, and period calculations faster, clearer, and easier to manage. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

Screenshots

WattTimeIsIt?4 screens
Frequency Conversion4 screens

Verdict

The call

The clearest difference is price: WattTimeIsIt? at $0.99 against Frequency Conversion's $2.99. WattTimeIsIt? also leads on iOS requirement (14.0 vs 17.6). On update cadence, ads, in-app purchases 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

WattTimeIsIt? costs $0.99 and Frequency Conversion $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WattTimeIsIt? ships an update every 40 months, Frequency Conversion every 22 months. The most recent releases landed on September 2, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 8 level
WattTimeIsIt? versus Frequency Conversion: the parameters behind the verdict, then further details
ParameterWattTimeIsIt?Frequency Conversion
Price$0.99 — better$2.99
Rating4.7 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 40 monthsEvery 22 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better17.6
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperVisoft, Inc.Heng Jia Liang

In-app purchases

None

WattTimeIsIt?

No in-app purchases

None

Frequency Conversion

No in-app purchases

Questions

Is WattTimeIsIt? free?
WattTimeIsIt? costs $0.99, with no in-app purchases.
Is Frequency Conversion free?
Frequency Conversion costs $2.99, with no in-app purchases.
Do WattTimeIsIt? or Frequency Conversion have ads?
Neither WattTimeIsIt? nor Frequency Conversion shows ads.
Which is updated more often, WattTimeIsIt? or Frequency Conversion?
WattTimeIsIt? ships an update every 40 months, and Frequency Conversion every 22 months. Most recently, WattTimeIsIt? was updated on September 2, 2026 and Frequency Conversion on September 11, 2026.

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