Rap Lab vs Flow Tight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rap Lab
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Anybody can have bars. Rap Lab is the recording studio for rappers who don't have a studio. Import your own beat, step into the Vocal Booth, and record your bars. Then use the Wave Timeline to see your vocal sitting right against the beat — and Line It Up to shift your timing until it locks. Export the whole mix as one clean audio file and share it anywhere. WHAT RAP LAB DOES: Beat Deck — Import any audio file as your backing track. Adjust beat volume with a live slider. Vocal Booth — Record your bars with a real-time live meter showing your vocal energy. Wave Timeline — See your beat waveform and vocal waveform side-by-side. Watch the playhead move through your track. Line It Up — Slide your vocal take −2 to +2 seconds against the beat until your timing is on point. Studio Transport — Play your beat and vocal mix together in real time before committing to export. Mixdown Export — Renders your beat and vocal into one finished .m4a audio file with your volume levels and timing baked in. Share it to SoundCloud, WhatsApp, iMessage, or anywhere. ONE PURCHASE. NO MONTHLY BILL. Rap Lab is built for artists who shouldn't have to pay monthly rent just to record a verse. Try one full session free, then unlock once and keep the full studio forever — unlimited recording, full mixdown export, and every feature in the app. No subscription. No recurring charge. No gotcha. BUILT FOR BEGINNERS STARTING OUT: You don't need a producer. You don't need studio time. You don't need expensive gear. Record a freestyle over a beat you found online, line up your vocal timing, and mix it down on your phone. The Wave Timeline makes it easy to hear exactly where your flow sits in the track — something most studio apps never show you. "This is the first app that actually showed me where my timing was off. The waveform timeline changed how I record." — early beta user Rap Lab requires microphone access to record vocals. Free tier includes 1 session with 1-minute recording cap. One-time in-app purchase removes all limits. No subscription.
Flow Tight
This app assists musicians in writing, recording, and finishing songs. It offers an AI co-writer for lyrics, rhyme and meter tools, and recording capabilities over beats. Users can also export their work.
- AI co-writer for lyrics
- Rhyme and meter assistance
- Thesaurus integration
- Song structure tools
- Record vocals over beats
- Voice-to-text dictation
- Export lyrics and recordings
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Flow Tight — your AI co-writer. Write, record, finish it. Whether you rap, sing, or write, Flow Tight turns the idea in your head into a finished song. Write lyrics with an AI partner, land the perfect rhyme, keep your bars in pocket, capture the melody, and record right over any beat — all in one place. WRITE WITH AN AI CO-WRITER Stuck on a line? Your co-writer works on the actual song in front of you — continue a verse, suggest a hook, rewrite a bar, or tighten a rhyme scheme, all in your voice. RHYMES, METER & STRUCTURE • Tap any word for perfect and slant rhymes • Built-in thesaurus — find the sharper word without leaving the app • See your rhyme scheme color-coded and your syllables per line, so every bar stays in pocket • Drop in song sections (Verse, Hook, Bridge) with one tap CAPTURE & RECORD • Record melodies and flow the moment they hit • Import a beat and lay your vocals right over it • Punch in from any line to fix a take without starting over • Voice-to-text — dictate lyrics and watch them appear NEVER LOSE A BAR Everything autosaves as you write. Your songs live in your personal library, ready whenever inspiration strikes. SHARE YOUR WORK Export and share your lyrics or recordings anywhere — Notes, Messages, and more. FLOW TIGHT PRO Start free. Upgrade to Pro for the full AI toolkit: • Unlimited AI co-writer • Perfect & slant rhymes on tap • Voice-to-text dictation • Record over any beat + punch-in • Export & share your songs Monthly $9.99 or $59.99/year (save 50%) after a free trial. Cancel anytime. Write. Record. Finish it.
Screenshots
Verdict
The clearest difference is device support: Flow Tight at 2 against Rap Lab's —. Flow Tight also leads on iOS requirement (15.1 vs 26.4). On price and in-app purchases 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
Both are free to download. Rap Lab sells 1 one-off in-app purchase and Flow Tight sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Rap Lab | Flow Tight |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (8 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | — | Every 5 weeks |
| Ads | — | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 26.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxwell Kelly | Ngneerx Technology LLC |
In-app purchases
Rap Lab
- Full app purchase$2.99
Flow Tight
- Flow Tight$9.991 Month
- Flow Tight Pro$59.991 Year









