Crazyflie 2 vs Scentience
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crazyflie 2
Control a palm-sized, open-source quadcopter directly from your iOS device. Utilize on-screen joysticks or phone tilting for flight. Customize control sensitivity and modes, and update the drone's firmware.
- Bluetooth low energy connectivity
- On-screen joystick controls
- Phone tilting flight control
- Configurable control sensitivity
- Configurable control modes
- Firmware updates
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Control Crazyflie 2.x directly from your iOS device using Bluetooth low energy. The Crazyflie 2 is a flying open source development platform in the form of a palm sized quadcopter. The platform supports hardware expansions as well as advanced software features for development. This app requires a Crazylfie with a recent firmware. Firmware >= 2024.02 are compatible. Functionalities: - Connect to a Crazyflie 2.0 using BLE - Control a Crazyflie 2.0 using on-screen joysticks or by tilting the phone - Configurable control sensitivity - Configurable control mode - Update the Crazyflie firmware with latest version
Scentience
Visualize and interpret olfactory data from specialized devices. This tool offers real-time scent analysis, AI-powered source localization, and device calibration, all while prioritizing user privacy with offline functionality.
- Real-time olfaction data visualization
- AI-powered scent source localization
- Automatic device calibration
- Offline operation for privacy
- Multi-device swarming coordination
- Chemical compound identification
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The Scentience app is a visualization tool intended to be used as a companion with the Scentience olfaction devices for olfactory robotics. The app allows an iPhone or iPad to simply connect to each device wirelessly through Bluetooth. Just open the app with a Scentience device activated and pairing will occur automatically. Onboard the app is an Olfaction-Vision-Language Model (OVLM) that runs completely on the device. Privacy is of paramount importance to Scentience, so no internet, LTE, or other data connection is required to use and operate the main features of the app. Below are a few features the app provides: - Guidance on how to use Scentience devices. - Automatic calibration of Scentience devices and diagnostics monitoring. - Real-time visualization and interpretation of olfaction data. - An Olfaction-Vision-Language AI Model (OVLM) for locating the source from where detected compounds are emitted. - An Olfaction-Vision-Language-Action AI Model (OVLAM) for enabling Scentience devices to navigate by scent. - Over-the-air firmware updates for Scentience devices through Bluetooth connection. - Information on chemical compounds detected in the air and what causes their presence. - Coordination of multi-device swarming for enhanced scent localization. - Contextualization of detected compounds with local weather data. - Interfacing with third party olfaction sensors. - Export of all data for offline lab use. - Olfactory fingerprinting.
Screenshots
Verdict
The clearest difference is review sentiment: Scentience at 100% against Crazyflie 2's 50%. Scentience also leads on rating (5.0 vs 2.7) and update cadence (monthly vs every 13 months). Crazyflie 2's advantage is iOS requirement (12.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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.
Scentience holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 6 and 12 respectively. Written reviews point the same way: 50% of Crazyflie 2's written reviews are positive against 100% of Scentience's.
Crazyflie 2 ships an update every 13 months, Scentience monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Crazyflie 2 | Scentience |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (6 ratings) | 5.0 (12 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 | 12 — better |
| Update frequency | Every 13 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, Mac |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 1.7 GB |
| Age rating | 4+ | 4+ |
| Developer | Bitcraze | Kordel France |
Customer experience
Crazyflie 2
Scentience
In-app purchases
Crazyflie 2
No in-app purchases
Scentience
No in-app purchases
