Ruby Wireless Sensor vs Photo Charger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruby Wireless Sensor
Connect to a compact wireless sensor to monitor mechanical structures. View real-time vibration data and manage the device via Bluetooth.
- Connect via Bluetooth
- Manage wireless sensors
- View real-time vibration data
- Monitor mechanical structures
- Ultracompact device integration
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The Ruby wireless sensor is a battery powered, ultracompact device that measures vibration signals in acceleration quantity on mechanical structures. This app allows users to connect to Ruby sensors via Bluetooth to manage the device and view RMS in real-time.
Photo Charger
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1, USB3.0 A, to connect to Mac or PC. In this way,Photo Charger acts as a general USB drive. Users can manager files in it, copy, cut, past or delete, ect. Users can also browse files in it directly, including preview documents, playback music and movies. 2, Apple lightning connector, to connect to iOS device with lightning connector. With this app, Photo Charger, users can manager files in it, copy, cut, past or delete, ect. Users can also browse files in it directly, including preview documents such as .txt, .doc, .pdf, playback music and movies.
Screenshots
Verdict
The clearest difference is update cadence: Photo Charger at every 6 days against Ruby Wireless Sensor's every 3 weeks. Photo Charger also leads on iOS requirement (12.1 vs 14.2). 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.
Ruby Wireless Sensor ships an update every 3 weeks, Photo Charger every 6 days. The most recent releases landed on June 11, 2026 and September 19, 2026 respectively.
| Parameter | Ruby Wireless Sensor | Photo Charger |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.2 | 12.1 — better |
| Further details — not scored | ||
| Size | 76 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Crystal Instruments Corporation | Shenzhen Feitianxia Technology Co, Ltd. |
In-app purchases
Ruby Wireless Sensor
No in-app purchases
Photo Charger
No in-app purchases
Questions
Is Ruby Wireless Sensor free?
Is Photo Charger free?
Do Ruby Wireless Sensor or Photo Charger have ads?
Which is updated more often, Ruby Wireless Sensor or Photo Charger?
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