Comparison

ConvertiSlowed vs NyQuistRx

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

Head to head
About

ConvertiSlowed

Features
Read full description

Create the mood that fits you from your own tracks. ConvertiSlowed turns an audio file into slowed + reverb, nightcore, speed up or bass boost, right on your iPhone. IMPORT YOUR TRACK Choose an MP3, WAV, M4A, FLAC or OGG file from your phone. No account is required, and no track is ever sent to a server. TWEAK YOUR EDIT LIVE โ€ข Change speed from 0.5x to 2x โ€ข Add bass boost and reverb โ€ข Use Slowed + Reverb, Nightcore, Bass Boost and Speed Up presets โ€ข Hear the result instantly and fine-tune every setting EXPORT AND SHARE Export your edit as M4A or WAV, then share it with any app you choose. Exporting continues when your screen is locked or the app moves to the background. BUILT FOR PRIVACY All audio processing stays on your device. No account, no audio server and no microphone recording. Your first export is ad-free; an ad may occasionally appear before later exports.

About

NyQuistRx

Features
Read full description

Hear your music like never before. NyQuistRx transforms any track into something deeper, wider, and more immersive. Apply ethereal reverb that wraps your music in another dimension โ€” then make it yours. FEATURES DIMENSIONAL REVERB Otherworldly reverb presets that pull your music into a whole new space. Airy, atmospheric, and built to give every track a different soul. SPEED CONTROL Slow it down or push it forward โ€” without losing the feel. MUSIC PLAYER A clean, minimal player made for how you actually listen. TRACK LAB Import any track, process it, keep what hits. EQUALIZER Shape your sound exactly how you want it. AMBIENT PAUSE When the music stops, it doesn't just cut โ€” it fades into the air. PREMIUM โ€” ULTRA FIDELITY More processing. Longer previews. No ads. $3.99/month โ€” cancel anytime. For the producers, the beatmakers, the listeners who hear everything differently. Terms of Use: https://deav1629.github.io/nyquistrx-legal/terms/ Privacy Policy: https://deav1629.github.io/nyquistrx-legal/privacy/

Screenshots

ConvertiSlowed2 screens
NyQuistRx3 screens

Verdict

The call

The clearest difference is in-app purchases: ConvertiSlowed at none against NyQuistRx's 1. NyQuistRx's advantage is update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. NyQuistRx sells 1 in-app purchase, starting at $3.99 per month. ConvertiSlowed asks for nothing beyond the download.

UpkeepUpdate frequency

ConvertiSlowed ships an update monthly, NyQuistRx every 4 days. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

Scorecard2 real differences ยท 4 level
ConvertiSlowed versus NyQuistRx: the parameters behind the verdict, then further details
ParameterConvertiSlowedNyQuistRx
PriceFreeFree
Update frequencyMonthlyEvery 4 days โ€” better
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.415.0 โ€” better
Further details โ€” not scored
Size42 MB106 MB
Age rating4+4+
DeveloperMickael BarthemyDemonte Evans

In-app purchases

None

ConvertiSlowed

No in-app purchases

1 purchases

NyQuistRx

Subscriptions1
  • NyQuistRx Pro$3.991 Month

Questions

Is ConvertiSlowed free?
ConvertiSlowed is free to download, with no in-app purchases.
Is NyQuistRx free?
NyQuistRx is free to download, with in-app purchases available.
Do ConvertiSlowed or NyQuistRx have ads?
Both ConvertiSlowed and NyQuistRx show ads.
Which is updated more often, ConvertiSlowed or NyQuistRx?
ConvertiSlowed ships an update monthly, and NyQuistRx every 4 days. Most recently, ConvertiSlowed was updated on September 30, 2026 and NyQuistRx on September 19, 2026.

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