OSCION vs Reliquum
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OSCION
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Oscion is an intuitive, interactive real-time generator for binaural beats and pure tones. Two ways to listen: Binaural beats (headphones recommended) Binaural beats are an auditory effect that can occur when each ear hears a steady tone that is slightly different in pitch. Your brain may perceive a subtle beat at the difference between those tones. Because each ear needs its own tone, headphones are recommended. Pure tones (headphones or speakers) Set the beat frequency to 0 Hz to produce a single steady tone. This does not rely on a left/right difference, so it works through speakers or headphones. Clean, precise control: Oscion is designed for direct experimentation. β’ Adjust beat frequency and base frequency in real time. β’ Set a session length with the built-in timer so you donβt need to watch the clock. β’ Use the Transition feature to glide smoothly from your current tone to a different tone over a chosen duration. β’ Listen to Oscion on its own or while other audio is playing. Presets: Oscion includes binaural beat and solfeggio frequency presets along with the ability to create and save your own custom presets. No internet connection required: Oscion does not require an account and does not stream audio from a server. Everything runs locally directly from your device.
Reliquum
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Write a letter to your future self or someone you care about. Add a photo, audio or video, then seal it until a date or a place you choose. Reliquum keeps those memories private until their moment arrives. Handwrite a personal letter on a supported device, choose your paper and ink, and read it on iPhone or iPad. Save a draft and return when the words come. Your first three relics are free. A single lifetime purchase unlocks unlimited relics, with no subscription. No account or analytics. Optional iCloud backup stores encrypted copies, including drafts, and is off by default. For personal use only. Appleβs Standard End User License Agreement applies: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: OSCION at none against Reliquum's 1. OSCION also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Reliquum sells 1 one-off in-app purchase. OSCION asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 31, 2026.
| Parameter | OSCION | Reliquum |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 24 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | LYLE LEWTON | Jean-Baptiste Meyer |
In-app purchases
OSCION
No in-app purchases
Reliquum
- Unlimited Relics$2.99









