StimuliApp vs Phantom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StimuliApp
Create precise psychophysical tests on iOS devices without programming. Assess perceptual capabilities using various stimuli like images, sounds, and videos with synchronized visual and auditory output. Features include real-time preview and automatic report generation.
- Precise timing with Metal framework
- 60 or 120 Hz test options
- Synchronized visual and auditory stimulation
- Interactive stimulus creation with preview
- Automatic report generation
- Gamma-correction features
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StimuliApp is an app designed to create psychophysical tests with precise timing on iOS devices (iPad and iPhone). Psychophysical tests are tests to assess perceptual capabilities. With a simple system of menus, different types of tests including the most common stimuli (gabors, random dots, images, sounds and videos among others) can be created. Programming skills are not necessary. Features: - Precise timing (frames are not dropped) thanks to the use of the native framework Metal, which provides a direct access to the GPU of the iOS device. - Option to run tests at 60 or 120 Hz depending on the model of the device. - Visual and auditory stimulation are synchronized. - Interactive creation of stimuli using real-time preview. - Possibility of using different spatial and time units. - Gamma-correction features. - Automatic report generation.
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 rating: StimuliApp at 5.0 against Phantom's 3.7. StimuliApp also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.4). Phantom's advantage is update cadence (every 4 days vs every 6 weeks) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model 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.
StimuliApp holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
StimuliApp ships an update every 6 weeks, Phantom every 4 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.
| Parameter | StimuliApp | Phantom |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 10 MB | 778 MB |
| Age rating | 4+ | 4+ |
| Developer | Rafael Marin Campos | Antonio Lambert |
Customer experience
StimuliApp
Phantom
In-app purchases
StimuliApp
No in-app purchases
Phantom
No in-app purchases
