Annoydio vs Overdrive Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Annoydio
Create and manipulate custom sounds using your device's microphone or iTunes file sharing. Assign sounds to pads, alter their frequency, play them in reverse, and add effects. Connect MIDI keyboards for interactive performance.
- Assign and play sounds on a grid of pads
- Create custom sounds with device microphone
- Import custom sounds via iTunes file sharing
- Manipulate sound parameters (frequency, reverse, loop)
- Apply audio effects (distortion, delay)
- Connect MIDI keyboards for polyphonic playback
- Supports Inter-App Audio as sound module/MIDI device
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Annoydio has a grid of pads which you can assign, manipulate, and play sounds. There are several built in sounds you can assign to any of the pads. In the Library you can create your own custom sounds using your device's microphone. You can also add custom sounds through iTunes file sharing. You can manipulate the sounds by changing the frequency, playing in reverse, looping, adding effects such as distortion and delay. You can also change parameters such as attack, decay, sustain, and release. You can connect a MIDI keyboard and play the current sound with full polyphony. On the iPad version there is a popup keyboard. Annoydio also supports Inter-App Audio as a sound module and MIDI device. You can use Annoydio as an instrument to add beats or effects to songs in apps like Garage Band. Short demonstration video here http://www.youtube.com/watch?v=EzuQhLxMxeM
Overdrive Synth
Explore unique synth sounds processed through classic guitar overdrive pedals. This app offers professionally recorded samples with multiple keyboard layouts and AUv3/MIDI support. Unlock over 100 additional instruments to expand your sonic palette.
- Vintage synths re-amped through guitar pedals
- Multiple keyboard layouts
- AUv3 and MIDI support
- Professionally recorded samples
- Expandable instrument library via IAP
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What does a synthesizer sound like through an overdrive pedal? To answer this great mystery, I visited NightSound Studio to re-amp a plethora of synth tones through various classic guitar pedals. The results are now available for your ears in Overdrive Synth! FEATURES: • Vintage Synths Re-amped Through Guitar Pedals • 3 Keyboard Layouts (Piano, Guitar & Scaled) • AUv3 & MIDI Support • Professionally Recorded Samples • 10 Instruments (+100 more with IAP) • Proudly Built With AudioKit The app comes with 10 default instruments, and If you like the starting sounds, unlock the full version (+100 instruments) and become a turbo-powered crunch synth master! I'm also EXTREMELY excited to bring you the full video development story on how this app was made! If you're curious to see what all went into making this app including the recording process, follow the behind-the-scenes link in the app! Special thanks to Nightsound Studios where the samples were recorded, AudioKit for providing the tools to build this app, the amazing open source synth community, and you for supporting indie developers. Thank You & Enjoy! Nick Culbertson MobyPixel.com
Screenshots
Verdict
The clearest difference is review sentiment: Overdrive Synth at 79% against Annoydio's 20%. Overdrive Synth also leads on price (Free vs $4.99) and rating (4.9 vs 2.8). Annoydio's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs monthly). On ads, device support and iOS requirement 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
Overdrive Synth is free to download; Annoydio costs $4.99 up front. Overdrive Synth sells 1 one-off in-app purchase. Annoydio asks for nothing beyond the download.
Overdrive Synth holds the better App Store score, 4.9 against 2.8. That said, the two scores are not equally well evidenced: Overdrive Synth has 34 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 20% of Annoydio's written reviews are positive against 79% of Overdrive Synth's.
Annoydio ships an update every 10 days, Overdrive Synth monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Annoydio | Overdrive Synth |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 2.8 (5 ratings) | 4.9 (34 ratings) — better |
| Positive reviews | 20.0% of reviews | 79.2% of reviews — better |
| Number of ratings | 5 | 34 — better |
| Update frequency | Every 10 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 247 MB |
| Age rating | 4+ | 4+ |
| Developer | Anthony Kitowicz | Moby Pixel |
Customer experience
Annoydio
Overdrive Synth
In-app purchases
Annoydio
No in-app purchases
Overdrive Synth
- Unlock Full Version$4.99
