Comparison

RF IMD Test vs StemScriber

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

Head to head
About

RF IMD Test

Features
Read full description

This simple and 100% free RF-coordination app finds you compatible wireless frequencies fast that won't interfere with each other. It also offers clear, informative feedback for audio techs looking to learn more about how RF intermodulation works under the hood.

About

StemScriber

This music app isolates individual instruments from songs, allowing users to slow down playback without altering pitch. It also provides chord charts and a built-in tuner to aid in learning and practicing music.

Highlights
  • Isolate any instrument
  • Slow down tempo without pitch change
  • Generate chord charts
  • Built-in tuner and fretboard
  • Practice music by ear
Features
Read full description

Learn any song the way you actually practice it. StemScriber pulls a song apart into its separate instruments so you can hear exactly what you're trying to play — then slows it down so you can keep up. What it does: • Isolate any instrument — mute the vocals and band, solo just the guitar (or bass, drums, piano, vocals). Finally hear the part that was buried in the mix. • Slow it down — drop the tempo without the pitch turning to chipmunks. Sit with a fast riff at half speed until it's under your fingers. • See the chords — a chord chart is generated for the song so you can follow the changes while you play. • Tuner + fretboard — built-in, free, no sign-up. Made for the way musicians really learn — by ear, slowed down, one part at a time. Whether you're working up a cover, learning a solo, or figuring out a bass line, StemScriber gets you from hearing it to playing it faster. Use it with music you own or have the rights to. Chord detection is a strong starting point, not a perfect transcription — it gets you playing fast, and you can trust your ears for the rest. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://stemscriber.com/privacy.html

Screenshots

RF IMD Test4 screens
StemScriber4 screens

Verdict

The call

The clearest difference is in-app purchases: RF IMD Test at none against StemScriber's 3. On price, rating, ratings volume and ads 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. StemScriber sells 3 in-app purchases, starting at $9.99 per month. RF IMD Test asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for RF IMD Test against 5.0 for StemScriber. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Scorecard1 real difference · 9 level
RF IMD Test versus StemScriber: the parameters behind the verdict, then further details
ParameterRF IMD TestStemScriber
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequency—Weekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size5 MB121 MB
Age rating4+4+
DeveloperJS Audio LLCJeffrey Kozelski

In-app purchases

None

RF IMD Test

No in-app purchases

3 purchases

StemScriber

Subscriptions2
  • Pro Monthly$9.991 Month
  • Pro Annual$89.991 Year
One-time1
  • StemScriber Lifetime$199.99

Questions

Is RF IMD Test free?
RF IMD Test is free to download, with no in-app purchases.
Is StemScriber free?
StemScriber is free to download, with in-app purchases available.
Which has better reviews, RF IMD Test or StemScriber?
RF IMD Test and StemScriber are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do RF IMD Test or StemScriber have ads?
Neither RF IMD Test nor StemScriber shows ads.

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