Cast Volume vs Telepathy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cast Volume
Control the volume of your Chromecast and Google TV devices quickly and reliably. Create homescreen widgets for seamless adjustments, mute playback, and fine-tune volume precisely without jumping. This app offers a volume-first design, prioritizing ease of use for all casting devices.
- Homescreen widgets for volume control
- Control multiple devices
- Instant volume adjustment
- Precise volume fine-tuning
- Mute playback
- Volume-first design
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CastVolume puts volume and mute controls on your Home Screen and Lock Screen with interactive widgets for Chromecast-enabled speakers and TVs, and compatible WiiM receivers. Keep music in your usual app. CastVolume controls the receiver directly, so you can adjust a WiiM even when playback was started with WiiM Home or its remote. It does not start or stream music and is not a universal AirPlay remote. YOUR VOLUME, ONE TAP AWAY • Use interactive widgets for quick volume and mute without opening the app. • Adjust volume and mute in the app. • Use volume controls in Control Center. • Discover receivers on your Wi-Fi, or add a WiiM by IP when needed. MORE ROOMS WITH PREMIUM Pin multiple receivers and choose a different device for each widget. Save volume presets, use the dedicated Preset Volumes widget, choose your volume step and customize themes. A single one-time Premium purchase covers both Chromecast and WiiM. No subscription. Basic control and one pinned widget device are free. No ads or account required. Connect your iPhone and receiver to the same local Wi-Fi and allow Local Network access. WiiM volume control requires variable volume output; turn off Fixed Volume Output in WiiM Home if enabled. A locked iPhone may require unlocking before a widget command runs.
Telepathy
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Telepathy moves small pieces of text between two nearby devices using sound you can't hear. Type a password on one phone, press Send, and it appears on the other — no Wi-Fi, no Bluetooth, no pairing, no account. The data travels through the air as near-ultrasonic tones (16.4–18.1 kHz) and never touches a network. Perfect for the moments that are always harder than they should be: • Give a guest your Wi-Fi password without spelling it out • Move a password or one-time code to a colleague's phone • Hand off a link, an address, or a note to any nearby device • Transfer between devices on different Apple IDs — nothing to set up HOW IT WORKS 1. On the receiving device, switch Listen on 2. Type or paste on the sending device and press Send 3. A short tone sequence plays — the receiver decodes it live and shows it with one-tap Copy Every transfer is integrity-checked (CRC-32), and a live spectrum view shows all 19 acoustic channels working in real time. Long Range mode trades speed for extra reliability past 2 m. PRIVATE BY DESIGN • No internet, no servers, no cloud — the sound in the room is the entire network • Works completely offline, even in airplane mode • No account, no analytics, no tracking. The microphone is used only to decode tones while Listen is on; nothing is recorded or transmitted anywhere TELEPATHY PREMIUM Telepathy requires a Premium subscription, with a 7-day free trial for new subscribers — try everything free for a week. Payment is charged to your Apple ID account; the subscription auto-renews unless cancelled at least 24 hours before the current period ends. Manage or cancel anytime in Settings. Both devices need Telepathy running. Best results within arm's reach in a quiet room. Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://software.nanorescenter.com/telepathy-privacy Support: https://software.nanorescenter.com/telepathy-support
Screenshots
Verdict
The clearest difference is iOS requirement: Telepathy at 16.0 against Cast Volume's 18.6. On price, 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
Both are free to download. Cast Volume sells 1 one-off in-app purchase and Telepathy sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Cast Volume | Telepathy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Søren Thorup | NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI |
In-app purchases
Cast Volume
- Premium Unlock$2.99
Telepathy
- Telepathy Premium7 Days trial$2.991 Month









