# iFunctionGenerator vs ARCQ SPL

The clearest difference is review sentiment: ARCQ SPL at 100% against iFunctionGenerator's 53%. ARCQ SPL also leads on update cadence (every 2 days vs every 12 months). iFunctionGenerator's advantage is price ($2.99 vs $5.99) and iOS requirement (6.0 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

iFunctionGenerator costs $2.99 and ARCQ SPL $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iFunctionGenerator ships an update every 12 months, ARCQ SPL every 2 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | iFunctionGenerator | ARCQ SPL |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/ifunctiongenerator/id304851755/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 53.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [JRB LAB](https://appshunter.io/developer/6782095828) |

## What reviewers say

### iFunctionGenerator

[App page](https://appshunter.io/ios/app/ifunctiongenerator/id304851755)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ARCQ SPL

[App page](https://appshunter.io/ios/app/arcq-spl-spl-meter/id6782095826)

Transform your device into a precision sound pressure level meter. Analyze real-time A- and C-weighted measurements, view live spectrum analysis, and utilize flexible input options for accurate audio monitoring.

**Highlights:** Real-time A- and C-weighted measurements, Octave-band spectrum analyzer, Flexible input options (built-in, USB, Bluetooth), Simultaneous metric display, Customizable averaging windows, On-device processing for privacy

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iFunctionGenerator free?

iFunctionGenerator costs $2.99, with no in-app purchases.

### Is ARCQ SPL free?

ARCQ SPL costs $5.99, with no in-app purchases.

### Do iFunctionGenerator or ARCQ SPL have ads?

Neither iFunctionGenerator nor ARCQ SPL shows ads.

### Which is updated more often, iFunctionGenerator or ARCQ SPL?

iFunctionGenerator ships an update every 12 months, and ARCQ SPL every 2 days. Most recently, iFunctionGenerator was updated on October 4, 2026 and ARCQ SPL on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*