Emerald Setup vs PicoStar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Emerald Setup
This app offers guided setup and monitoring for a touch-free health measurement system. It uses environmental wireless signals to track vital signs, sleep, and mobility without requiring wearables or user interaction.
- Touch-free health measurement
- Continuous vital sign monitoring
- Sleep and mobility tracking
- Guided system configuration
- Wireless signal monitoring
- Passive health tracking
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Emerald is a revolutionary passive and touch-free health measurement system that does away with the hassle of wires and wearables. Emerald provides continuous monitoring of vital signs, sleep, and mobility metrics without needing any physical contact. Emerald measures these metrics by monitoring the wireless signals in the environment, and does not require people to wear any sensors, interact with the device, or otherwise change their behavior in any way. This app provides easy, guided configuration and monitoring of the Emerald system.
PicoStar
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Calibrate any telescope using true-to-scale planetary images.
Screenshots
Verdict
The clearest difference is in-app purchases: Emerald Setup at none against PicoStar's 1. Emerald Setup also leads on update cadence (every 2 months vs every 7 months) and iOS requirement (14.0 vs 16.0). On price, ads 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. PicoStar sells 1 one-off in-app purchase. Emerald Setup asks for nothing beyond the download.
Emerald Setup ships an update every 2 months, PicoStar every 7 months. Both last shipped on October 2, 2026.
| Parameter | Emerald Setup | PicoStar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 92 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Emerald Innovations, Inc. | Ryan Rudes |
In-app purchases
Emerald Setup
No in-app purchases
PicoStar
- Planetary Expansion Pack$9.99
