iDousyn vs Forma
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDousyn
This app transforms your device into a professional music production tool. It features a sample-based synthesizer with dual-layer sampling, advanced filters, and a professional effects chain. Create immersive sounds and build captivating tracks with an intuitive interface and extensive sound library.
- Dual-layer sampling
- Advanced filters and EQ
- Professional effects chain
- Creative chord pads
- MIDI mastery
- Expansive sound library
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iDousyn transforms your iPhone and iPad into a premium sampler, synthesizer, and AUv3 plugin built for professional music production, beat making, and sound design. Powered by a massive dual-layer rompler engine, it delivers a touch-optimized workflow to create studio-quality music anywhere. Seamlessly integrating as a high-performance AUv3 Audio Unit, iDousyn is the perfect companion for Logic Pro for iPad, GarageBand, Cubasis, AUM, Loopy Pro, and other leading iOS DAWs. Whether you are producing EDM, making hip hop beats, scoring cinematic soundtracks, or designing ambient soundscapes, iDousyn gives you the ultimate sonic palette. Chord Sequencer & Harmony Engine • Ultimate Inspiration: Instantly browse, audition, and map over 432 chord variations and 100 global musical scales directly to your pads—no advanced music theory required. • Timeline Sequencer: Drag and drop your custom chords into the new visual timeline. Program rests, set loop lengths, and let the zero-latency lookahead scheduler play your progressions with perfect tempo synchronization. • Dynamic Performance: 10 customizable Chord Pads featuring intelligent strumming, dual MIDI keyboards, and assignable key ranges with real-time Neon Glow visual feedback. Dual-Layer Synthesis & DSP Effects • True Dual-Layer Rompler: Stack and blend two independent sample oscillators. Fine-tune with octave, semitone, cents, pan, and level controls for massive, evolving textures. • Studio-Grade FX Chain: Shape your tone with multi-mode filters, a parametric EQ, and fully automatable AUv3 effects including Reverb, Delay, Chorus, Flanger, Phaser, Compressor, and Limiter. Massive Sound Library & iCloud Sync • 1,100+ Premium Samples: An expansive built-in soundbank featuring heavy basses, lush synth pads, sharp leads, drum kits, acoustic guitars, and orchestral strings. • Smart Presets: Create unlimited custom patches. Your library is safely backed up with automatic, silent background iCloud Drive synchronization across all your Apple devices. Pro Recording & Export • Lossless Audio & MIDI: Record your live sessions directly within the app and export high-fidelity FLAC, WAV, AIFF, CAF, or M4A audio files, as well as full MIDI sequences. • AudioShare Integration: Instantly route your bounces to your favorite audio editors. • Background Audio: Keep your sequences running and your MIDI controllers active even while switching between apps. Designed for modern producers, beat makers, live performers, and synth enthusiasts, iDousyn brings desktop-class virtual instruments right to your fingertips.
Forma
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Build a track in seconds with Forma. Forma is a mobile-first music lab for creating original tracks fast. Pick a style, set the mood, build a track, then swipe through stems to try new versions instantly. Whether you're making content for social, video, podcasts, brand work, or just sketching musical ideas, Forma gives you a fast, intuitive way to shape music without opening a full DAW. HOW IT WORKS - Pick a genre direction - Set the tempo and feel - Build a track from curated stems - Swipe to swap drums, bass, lead, or synth - Explore new versions of the same idea in seconds WHY CREATORS USE FORMA - Fast track creation - Cleared for commercial use in your own projects - Effortless stem swapping - Clean, mobile-first experience - Great for content creators, artists, producers, and beginners CREATE WITH CONTROL Forma gives you a structured way to shape your sound while keeping the process fast and inspiring. Start with a direction, then refine the feel by changing individual elements of the track. PERFECT FOR - Social content - Video creators - Podcast intros and backgrounds - Sketching musical ideas on the go - Content that needs cleared music No complex setup. No steep learning curve. Just pick a direction and start building. LICENSING Tracks you export are licensed for use in your own commercial projects. SUBSCRIPTION Forma offers auto-renewing subscriptions to unlock unlimited stem swaps, regenerations, and exports: - Unlimited Creator (Monthly) - Unlimited Creator (Annual) Pricing is shown in the app before purchase and varies by region. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically at the same price and duration unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Apple Account settings. Credits (e.g. 100 Credits) are a separate one-time purchase and are not part of the subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://brancolabsltd.com/forma/privacy.html
Screenshots
Verdict
The clearest difference is price: Forma at Free against iDousyn's $5.99. Forma also leads on iOS requirement (18.2 vs 26.0). On ads, in-app purchases and device support 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
Forma is free to download; iDousyn costs $5.99 up front. iDousyn sells 1 one-off in-app purchase and Forma sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | iDousyn | Forma |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.2 (161 ratings) — better | — |
| Positive reviews | 34.1% of reviews | — |
| Number of ratings | 161 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.2 — better |
| Further details — not scored | ||
| Size | 1.2 GB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Jorge Lozada | Branco Labs |
Bugs and requests
iDousyn
Reported bugs
15 issues- App crashes immediately
- Full version displays full-page ads
- Ads appear on the front page
- New update has ads
- Implemented trackers
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- iDousyn Lite works, this one does not
- App does not open
- MIDI input timing issues
- Sound crash sometimes
- Long delay between external MIDI and sound
- Sluggish keyboard
- Sluggish interface
- Glide is always on
- Scrolling menu is hard to use
- Sliders on scrolling menu
Requested features
10 requests- Adaptive Crasher (AUV3, Adaptive Cubasis and Zenbeats)
- AUV3 support
- Audiobus compatibility
- MIDI IN for better keyboard control
- Background audio option
Show 5 moreShow fewer
- Reset button
- Fix sound crash
- Improve interface contrast
- Make panel brighter
- Allow turning off glide
Forma
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iDousyn
- Unlock ProFree
Forma
- Unlimited Creator (Monthly)$4.991 Month
- Unlimited Creator (Annual)$19.991 Year
- 100 Credits$5.99









