Comparison

SampleHook vs STEM

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

Head to head
About

SampleHook

Features
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A pocket vocal sample lab for beatmakers. Hum, sing, or rap a rough idea. Pick a genre, a voice, a mood. SampleHook turns your guide into a polished AI vocal sample, ready to drop into your MPC, Maschine, or DAW. WHAT MAKES IT BUILT FOR PRODUCERS โ€ข Hum a melody, get a topline. The AI keeps your words and tightens the singing. โ€ข Rapped, sung, or ad-lib โ€” pick the delivery that fits your beat. โ€ข Solo lead by default. Toggle Doubled or full Harmony stacks for depth. โ€ข Automatic key and BPM detection. Override with wheel pickers if the detector misses. โ€ข Trim handles, loop region, scrubbing playhead. Chop a 1-bar sample out of a 30-second take. โ€ข Pitch shift ยฑ6 semitones and tempo 0.8xโ€“1.2x on playback, no destructive edits. โ€ข Native iOS audio routing through USB-C, Bluetooth, or AirPlay โ€” sample directly into your MPC. THE WORKFLOW 1. Tap record. Hum, sing, or rap 1โ€“4 bars. 2. Pick a Genre (Hip-hop, R&B, Trap, Drill, Afrobeats, Gospel, Soul, House, Lo-fi), a Voice (Male tenor, Female alto, Male falsetto, Female falsetto, Choir, Baritone), and a Mood. 3. Review your transcribed lyrics. Edit any mis-heard words. 4. Wait ~90 seconds while SampleHook generates and isolates a clean vocal stem. 5. Drop the WAV into your beat. Whether you're cooking a Trap topline, an R&B hook, or a Drill verse, SampleHook gives you a usable sketch in under two minutes. No browsing sample packs. No booking session vocalists. Just your idea and a clean stem to chop. PRICING โ€ข Free: 1 generation per month, personal use โ€ข SampleHook Pro Monthly ($12.99/month): 120 credits/month (up to 40 generations), commercial release license โ€ข SampleHook Pro Annual ($99.99/year): 120 credits/month (up to 40 generations), commercial release license โ€ข 50 Credit Top-Up ($4.99): one-time consumable Auto-renewable subscriptions are charged at purchase confirmation and renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings โ†’ Apple ID โ†’ Subscriptions. Terms of Use (EULA): https://samplehook.app/terms Privacy Policy: https://samplehook.app/privacy

About

STEM

Features
Read full description

FUSE VOID STEM-X is the ultimate professional AI audio separation tool, built for producers, DJs, vocalists, and cover artists who demand perfection. Powered by advanced dual-AI hybrid engines, STEM-X extracts studio-quality stems directly on your device. Whether you need a pristine vocal acapella for a remix, a high-fidelity instrumental for karaoke, or an isolated drum groove, STEM-X delivers with industry-leading speed. FEATURES: โ€ข State-of-the-Art AI Engines: Choose between Vocal Priority (2-Stem) or Full Band Extraction (5-Stem). โ€ข Studio In Your Pocket: Process your audio files securely with lightning speed. โ€ข Pro Audio Export: Extract and export uncompressed, high-fidelity stems to your DAW or files. โ€ข Fair Quota System: Only pay for the seconds you extract. No wasted credits on full songs when you only need a loop! โ€ข Minimalist Studio Interface: Designed with a dark, premium aesthetic that feels like high-end studio hardware. Unleash your creativity, practice your covers, and remix the world with FUSE VOID STEM-X. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SampleHook4 screens
STEM3 screens

Verdict

The call

The clearest difference is update cadence: STEM at every 9 days against SampleHook's every 3 weeks. On price, ads, in-app purchases and device support 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. SampleHook sells 2 in-app purchases, starting at $12.99 per month and STEM sells 6 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SampleHook ships an update every 3 weeks, STEM every 9 days. Both last shipped on October 31, 2026.

Scorecard1 real difference ยท 5 level
SampleHook versus STEM: the parameters behind the verdict, then further details
ParameterSampleHookSTEM
PriceFreeFree
Update frequencyEvery 3 weeksEvery 9 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.016.4 โ€” better
Further details โ€” not scored
Size3 MB3 MB
Age rating4+4+
DeveloperJester AgustinCEM OZAN DUZENCI

In-app purchases

2 purchases

SampleHook

Subscriptions2
  • SampleHook Pro Monthly$12.991 Month
  • SampleHook Pro Annual$99.991 Year
6 purchases

STEM

Subscriptions5
  • Starter Monthly$7.991 Month
  • Basic Plan$12.991 Month
  • Pro Plan$24.991 Month
Show 2 more
  • Basic Plan$99.991 Year
  • Pro Plan$199.991 Year
One-time1
  • Energy Token$4.99

Questions

Is SampleHook free?
SampleHook is free to download, with in-app purchases available.
Is STEM free?
STEM is free to download, with in-app purchases available.
Do SampleHook or STEM have ads?
Neither SampleHook nor STEM shows ads.
Which is updated more often, SampleHook or STEM?
SampleHook ships an update every 3 weeks, and STEM every 9 days. Most recently, SampleHook was updated on October 31, 2026 and STEM on October 31, 2026.

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