dB Convert vs Phantom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dB Convert
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RF Utility for converting between dB units and Power.
Phantom
This app enables off-grid voice and text communication over mesh networks, functioning without cell towers, Wi-Fi, or internet. It utilizes Meshtastic-compatible LoRa hardware for direct peer-to-peer messaging.
- Off-grid voice and text messaging
- Works without cell towers, Wi-Fi, or internet
- Hold-to-talk voice reconstruction
- Bluetooth connectivity to Meshtastic LoRa nodes
- Interoperable with standard Meshtastic app
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Phantom is an off-grid messaging app for mesh networks - voice and text that works when everything else fails. No cell towers, no wifi, no internet, no servers, no monthly fees. Hold to talk. Your voice gets reconstructed on the other end. No audio ever crosses the radio. Works with any Meshtastic-compatible LoRa node over Bluetooth. Interoperates with the standard Meshtastic app. Requires Meshtastic - compatible LoRa hardware. The future is mesh. Phantom brings voice to it.
Screenshots
Verdict
The clearest difference is price: Phantom at Free against dB Convert's $0.29. Phantom also leads on update cadence (every 4 days vs every 8 days). dB Convert's advantage is iOS requirement (17.0 vs 26.4). 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
Phantom is free to download; dB Convert costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.
dB Convert ships an update every 8 days, Phantom every 4 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | dB Convert | Phantom |
|---|---|---|
| Price | $0.29 | Free — better |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 8 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 1 MB | 778 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Curtis | Antonio Lambert |
In-app purchases
dB Convert
No in-app purchases
Phantom
No in-app purchases
