iTherm vs Phantom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTherm
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This is a plug-and-play professional thermal imaging tool. Paired with a Type-C thermal camera, it instantly turns your phone into a thermal imager. The app features a clean, intuitive interface with zero learning curve. Real-time Infrared Imaging: Plug in and start immediately. Multiple built-in color palettes (Iron Red, Cool Color, High Contrast, etc.) help you clearly identify temperature distribution and hot spots from different perspectives. Precise Temperature Measurement: Supports spot/line temperature measurement, area temperature measurement, and automatic high/low temperature tracking, with real-time temperature readings displayed on screen. One-Tap Snapshot: Spot an abnormal temperature point? Just tap to save an infrared image that retains full temperature data for later analysis and comparison. HD Video Recording: Supports infrared video recording to dynamically capture temperature changes over time—ideal for equipment inspection, outdoor exploration, or electrical maintenance scenarios.
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 update cadence: Phantom at every 4 days against iTherm's every 6 weeks. iTherm's advantage is iOS requirement (14.0 vs 26.4). 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. Neither carries in-app purchases, so what you see is what you pay.
iTherm ships an update every 6 weeks, Phantom every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | iTherm | Phantom |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 28 MB | 778 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangdong Laureii Intelligent Technology Co.,Ltd | Antonio Lambert |
In-app purchases
iTherm
No in-app purchases
Phantom
No in-app purchases









