iFunctionGenerator vs UTC ALARM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
UTC ALARM
This utility app allows users to set alarms based on Coordinated Universal Time (UTC), also known as Zulu time. It is ideal for professionals who work across different time zones, such as pilots and cabin crew, ensuring timely notifications regardless of local time.
- Set alarms in UTC (Zulu time)
- Multiple custom named alarms
- Reliable notifications
- Large, clear UTC time display
- Clean, dark interface
- Works offline
- No account required
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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
Verdict
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 rating (4.4 vs 4.0) and ratings volume (9 vs 1). 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
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.
iFunctionGenerator holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: iFunctionGenerator has 9 ratings behind it against 1, so its average is the more settled of the two.
iFunctionGenerator ships an update every 12 months, UTC ALARM every 11 days. Both last shipped on October 31, 2026.
| Parameter | iFunctionGenerator | UTC ALARM |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.4 (9 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 53.3% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 12 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 6.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Black Cat Systems | MAXIME CLEMENT SIMON LAURENT |
In-app purchases
iFunctionGenerator
No in-app purchases
UTC ALARM
No in-app purchases
Questions
Is iFunctionGenerator free?
Is UTC ALARM free?
Which has better reviews, iFunctionGenerator or UTC ALARM?
Do iFunctionGenerator or UTC ALARM have ads?
Which is updated more often, iFunctionGenerator or UTC ALARM?
Other comparisons
