OUTSIDIFY vs Relic Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OUTSIDIFY
Explore and manipulate ambient sounds using your smartphone's microphone and speaker. Create unique audio effects, capture environmental resonances, and experiment with sound in real-world spaces. Unleash your creativity and discover new sonic possibilities.
- Create feedback loops
- Manipulate external sounds
- Use phone as resonant filter
- Capture impulse responses
- Explore real-world acoustics
Read full descriptionHide full description
Outsidify allows you to manipulate and explore the sounds happening around your smartphone. The microphone and speaker of your phone are hiding exciting potential: create feedback, manipulate resonances, use your mouth as a resonant filter, capture the impulse responses of your coffee cup or the pipe at the construction site you're accidentally passing by. Just have fun. Your imagination is the only limit. Early electronic music was full of exploration of what you can do with just a microphone and speaker. Now it's your time to explore! Go outside and make sounds outside of your phone. What would you Outsidify? Features - create feedbacks from your phone´s microphone and speaker - play sounds from the speaker and influence them with outside conditions - the world is your resonator - capture impulse responses of any space you can fit your phone into - anytime!
Relic Flow
Generate unique Lo-Fi rhythms, noise patterns, and drum loops using advanced synthesis algorithms. Explore billions of sound samples with intuitive controls and real-time audio recording. Perfect for musicians and sound designers seeking endless creative possibilities.
- Lo-Fi rhythm and drum loop generation
- Billions of unique sound samples
- Real-time audio recording to WAV
- Multiple input methods (on-screen, PC keyboard, MIDI)
- Export to WAV, SunVox, and text clipboard
- iOS Audio Unit Extension (AUv3) support
Read full descriptionHide full description
Relic Flow is a generator of Lo-Fi rhythms, noise patterns and drum loops based on unique synthesis algorithms from NightRadio. More than 4 billion samples from the depths of the Mathematical Universe! Features: * search for new sounds with three buttons: next random set, edit code, previous set; each set of 12 sounds corresponds to a code of 8 characters; * three types of keyboards for live performing: on-screen buttons, PC keyboard, MIDI input; * several processing parameters + control via MIDI; * real-time audio recording to WAV (32-bit); * export to: WAV (one file or a set), SunVox (samples + effects in one file), text clipboard; * the LCK button freezes individual samples - they will not change during the search for new sets; * iOS Audio Unit Extension (AUv3). Double clicking on a parameter opens a window for setting the exact value. If you enable the Hold option, the notes will play endlessly, without reacting to key release (noteOff) events; turning the note on again works like turning it off; there are two ways to enable this option: 1) using the Hold parameter in the "MIDI Mapping" window; 2) by pressing the HOLD button, which appears in place of LCK while playing the musical keyboard: press HOLD, release the desired notes - then the released notes will continue to play.
Screenshots
Verdict
The clearest difference is update cadence: OUTSIDIFY at weekly against Relic Flow's every 17 months. OUTSIDIFY also leads on chart position (#174 vs unranked). Relic Flow's advantage is price ($1.99 vs $5.99) and iOS requirement (12.0 vs 15.2). On rating, review sentiment, ratings volume and ads 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
OUTSIDIFY costs $5.99 and Relic Flow $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for OUTSIDIFY against 4.8 for Relic Flow. Both are backed by a comparable volume of ratings — 15 and 26 respectively. Written reviews are what separate them: 89% of OUTSIDIFY's written reviews are positive against 93% of Relic Flow's.
OUTSIDIFY ships an update weekly, Relic Flow every 17 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | OUTSIDIFY | Relic Flow |
|---|---|---|
| Price | $5.99 | $1.99 — better |
| Rating | 4.9 (15 ratings) — better | 4.8 (26 ratings) |
| Positive reviews | 88.9% of reviews | 93.3% of reviews — better |
| Number of ratings | 15 | 26 — better |
| Update frequency | Weekly — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #174 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | BASTL INSTRUMENTS | Alexander Zolotov |
Customer experience
OUTSIDIFY
Relic Flow
In-app purchases
OUTSIDIFY
No in-app purchases
Relic Flow
No in-app purchases








