Comparison

voice range checker vs GSDSP MMMm

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

Head to head
About

voice range checker

This app analyzes your voice through your device's microphone to identify your highest and lowest vocal pitches. Share your vocal range results via email or Twitter.

Highlights
  • Check highest voice pitch
  • Check lowest voice pitch
  • Uses device microphone
  • Share results via email
  • Post results on Twitter
Features
Read full description

"Voice Range Checker" is an application to check your "voice range". When you talk into the microphone of iPhone/iPod touch, it can check "the highest voice" and "the lowest voice" in your voice. Let's get started by following the sample voice! You can send an email to your friends and post on Twitter about the result you checked. If you have any request or trouble report, post on Twitter with #checkvoicerange, or contact us at the inquiry form of CRI Middleware website.

About

GSDSP MMMm

This app provides a powerful MIDI modulation engine to control various plugins, hardware, and instruments. It offers a range of modulation sources like LFOs and random generators, and includes a dedicated performance skin for live use. It's a MIDI-only FX version for hosts requiring pure MIDI processing.

Highlights
  • MIDI CC control for plugins and hardware
  • LFO, Random, Envelope Follower modulators
  • XY pads for modulation
  • Dedicated Performance Skin for live use
  • AUv3 MIDI FX plugin
  • Desktop versions available
Features
Read full description

A powerful MIDI modulation engine for controlling plugins, hardware, and instruments using LFOs, random sources, macros, and audio-based modulation. Modulate Everything MMMm is a MIDI controller and modulation workstation designed to control any parameter that accepts MIDI CC — software instruments, plugins, external hardware, or any MIDI-capable device. Create modulation using LFOs, Random Generators, Envelope Followers, XY pads, and more. No more drawing of automation curves, keep your audio dynamic and exciting with ease. Perform Live MMMm includes a dedicated Performance Skin designed for low-light and stage environments. It uses a restrained, red-accented color palette that preserves focus and minimizes visual distraction while performing. The interface remains clear and readable in dark settings, ensuring stable workflow during your live performance. MMM vs MMMm MMM includes audio input, enabling Envelope Followers, audio-reactive modulation, and audio output — ideal when used as an audio plugin. MMMm, by contrast, is a MIDI-only FX version for hosts such as Logic Pro or AUM that require a pure MIDI processor. Both versions support MIDI input and output and provide the same core modulators. MMMm is an AUv3 midi effect plugin compatible with Logic Pro, AUM, Cubasis, GarageBand and many more. A Desktop version is also available for Windows and macOS (VST3 / AU / AAX). More information here: https://gs-dsp.com/products

Screenshots

voice range checker3 screens
GSDSP MMMm4 screens

Verdict

The call

The clearest difference is review sentiment: GSDSP MMMm at 100% against voice range checker's 24%. GSDSP MMMm also leads on rating (4.9 vs 1.0) and update cadence (every 5 weeks vs every 14 months). voice range checker's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

GSDSP MMMm holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: GSDSP MMMm has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 24% of voice range checker's written reviews are positive against 100% of GSDSP MMMm's.

UpkeepUpdate frequency

voice range checker ships an update every 14 months, GSDSP MMMm every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
voice range checker versus GSDSP MMMm: the parameters behind the verdict, then further details
Parametervoice range checkerGSDSP MMMm
PriceFreeFree
Rating1.0 (1 ratings)4.9 (16 ratings) — better
Positive reviews24.1% of reviews100.0% of reviews — better
Number of ratings116 — better
Update frequencyEvery 14 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better13.0
Further details — not scored
Size7 MB44 MB
Age rating4+4+
DeveloperCRI Middleware Co., Ltd.Gustav Scholda

Customer experience

voice range checker

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews58 reviews
Positive24.1%
Neutral15.5%
Negative60.3%

GSDSP MMMm

All ratings16 ratings
Positive93.8%
Neutral6.3%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

voice range checker

No in-app purchases

None

GSDSP MMMm

No in-app purchases

Questions

Is voice range checker free?
voice range checker is free to download, with no in-app purchases.
Is GSDSP MMMm free?
GSDSP MMMm is free to download, with no in-app purchases.
Which has better reviews, voice range checker or GSDSP MMMm?
GSDSP MMMm is rated higher. voice range checker averages 1.0 out of 5 from 1 ratings, while GSDSP MMMm averages 4.9 from 16 ratings.
Do voice range checker or GSDSP MMMm have ads?
Neither voice range checker nor GSDSP MMMm shows ads.
Which is updated more often, voice range checker or GSDSP MMMm?
voice range checker ships an update every 14 months, and GSDSP MMMm every 5 weeks. Most recently, voice range checker was updated on November 1, 2026 and GSDSP MMMm on November 3, 2026.

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