Comparison

iFunctionGenerator vs UTC ALARM

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

Head to head
About

iFunctionGenerator

This utility transforms your iOS device into a versatile audio function generator. Create up to 20 independent generators producing various waveforms and noise types, with precise control over frequency, volume, and phase for each channel. Save and recall your settings for quick access.

Highlights
  • Multiple waveform generation (sine, triangle, sawtooth, square)
  • Pink and white noise generation
  • Up to 20 independent generators
  • Independent left/right channel volume control
  • Adjustable frequency from 1 to 20,000 Hz
  • Phase control
  • Save and load generator settings
Features
Read full description

iFunctionGenerator turns your iPhone, iPad, or iPod Touch into an audio function generator. You can have up to 20 generators, each operating at a different frequency. Each generator can be one of the following types: • Sine Wave • Triangle Wave • Sawtooth Wave • Square Wave • Pink Noise • White Noise The volume of the left and right channels can be independently controlled, and may be set using either a slider for ease, or direct entry of the volume, for maximum precision. The relative phase of each channel may also be set. Frequencies from 1 to 20,000 Hz may be entered. The phase can vary between -360 to 360 degrees. The volume may be between 0 and 100 percent. The mute button makes it easy to quickly silence the audio generators. You can take snapshots of the generator settings. This lets you build a library of settings, and quickly load the desired settings.

About

UTC ALARM

Features
Read full description

UTC ALARM - Set alarms in Coordinated Universal Time (Zulu time). Perfect for pilots, cabin crew, aviation professionals, and anyone working across time zones. Set alarms that trigger at exact UTC times, regardless of your local timezone. Features: • Large, clear UTC time display • Create multiple alarms with custom names • Reliable notifications even when the app is closed • Clean, dark interface optimized for iPad • No account required - works offline Free with no ads.

Screenshots

iFunctionGenerator3 screens
UTC ALARM3 screens

Verdict

The call

The clearest difference is price: UTC ALARM at Free against iFunctionGenerator's $2.99. UTC ALARM also leads on update cadence (every 11 days vs every 12 months). iFunctionGenerator's advantage is iOS requirement (6.0 vs 17.0). On 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

UTC ALARM is free to download; iFunctionGenerator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iFunctionGenerator ships an update every 12 months, UTC ALARM every 11 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
iFunctionGenerator versus UTC ALARM: the parameters behind the verdict, then further details
ParameteriFunctionGeneratorUTC ALARM
Price$2.99Free — better
Rating4.4 (9 ratings) — better—
Positive reviews53.3% of reviews—
Number of ratings9 — better—
Update frequencyEvery 12 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS6.0 — better17.0
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperBlack Cat SystemsMAXIME CLEMENT SIMON LAURENT

In-app purchases

None

iFunctionGenerator

No in-app purchases

None

UTC ALARM

No in-app purchases

Questions

Is iFunctionGenerator free?
iFunctionGenerator costs $2.99, with no in-app purchases.
Is UTC ALARM free?
UTC ALARM is free to download, with no in-app purchases.
Do iFunctionGenerator or UTC ALARM have ads?
Neither iFunctionGenerator nor UTC ALARM shows ads.
Which is updated more often, iFunctionGenerator or UTC ALARM?
iFunctionGenerator ships an update every 12 months, and UTC ALARM every 11 days. Most recently, iFunctionGenerator was updated on October 4, 2026 and UTC ALARM on October 8, 2026.

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