FiiO Control vs CIRCUL+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FiiO Control
This application allows users to customize and control their FiiO Bluetooth audio devices. Adjust audio settings, equalizer profiles, and general device functions for an enhanced listening experience.
- Customize general functions (charging, RGB, DAC mode)
- Adjust equalizer settings
- Change audio settings (digital filter, channel balance)
- Access embedded user guide
- Connect to supported FiiO Bluetooth devices
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FiiO Control app is designed exclusively for controlling FiiO Bluetooth devices. You can use this app to change the audio settings, equalizer and other functions of your FiiO Bluetooth device. Features: 1. Customize the general functions such as Charging on-off, RGB indicator light on-off, in-vehicle mode, DAC work mode, etc; 2. Adjust the equalizer; 3. Change audio settings such as digital filter, channel balance, etc. 4. View the embedded user guide for device introductions; Note: This app currently supports connecting with FiiO Q5, Q5s, BTR3, BTR3K, BTR5, EH3 NC, LC-BT2. The support for newer models will be added once they're available. Due to the differences in Bluetooth chips and DAC chips, the settings for each model may vary. Please refer to the menus that appear after device connection for the actual settings. ----------------------------------------------------------- If you have any questions of using this app or any suggestions, feel free to contact us using the below methods: E-mail: support@fiio.net FiiO website: http://www.fiio.net Facebook: https://www.facebook.com/FiiOAUDIO
CIRCUL+
This utility app connects to a wearable device to monitor vital health metrics like oxygen saturation, heart rate, and sleep patterns. It generates health reports and syncs data with Apple Health, offering insights into your well-being.
- Bluetooth connectivity
- Daily, operation, and sleep monitoring
- Blood pressure monitoring (latest ring)
- Health data synchronization with Apple Health
- Step counting integration
- Health report generation
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The application is used in conjunction with circul + to help monitor peripheral oxygen saturation, heart rate, etc., and generate health reports and analysis. Function: 1. Applications can easily connect circul + via Bluetooth. 2. Turn on daily monitoring, operation monitoring and sleep monitoring. The latest ring can monitor blood pressure; Tap to turn monitoring on / off and automatically generate reports. 3. Oxygen saturation, sleep, body temperature, heart rate variability (SDNN), diastolic blood pressure, systolic blood pressure, resting heart rate and heart rate data generated by circul+ ring will be saved to apple health in time. Daily step counting supports access to apple health data, and the source of steps can be switched between ring and apple health. 4. Before making any medical decision, please consult your doctor for advice in addition to using this application.
Screenshots
Verdict
The clearest difference is rating: CIRCUL+ at 3.3 against FiiO Control's 2.5. CIRCUL+ also leads on review sentiment (24% vs 13%) and iOS requirement (12.0 vs 15.0). FiiO Control's advantage is update cadence (fortnightly vs every 5 weeks). 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.
CIRCUL+ holds the better App Store score, 3.3 against 2.5. Both are backed by a comparable volume of ratings — 29 and 36 respectively. Written reviews point the same way: 13% of FiiO Control's written reviews are positive against 24% of CIRCUL+'s.
FiiO Control ships an update fortnightly, CIRCUL+ every 5 weeks. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.
| Parameter | FiiO Control | CIRCUL+ |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (29 ratings) | 3.3 (36 ratings) — better |
| Positive reviews | 13.3% of reviews | 23.5% of reviews — better |
| Number of ratings | 29 | 36 — better |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 204 MB | 157 MB |
| Age rating | 4+ | 12+ |
| Developer | 广州飞傲电子科技有限公司 | BodiMetrics, LLC |
Customer experience
FiiO Control
CIRCUL+
Bugs and requests
FiiO Control
Reported bugs
5 issues- App not detecting devices
- Connection failures
- Crashes on startup
- Settings not persisting
- Incompatibility with newer devices and iOS versions
Requested features
6 requests- More customizable EQ
- Multiple EQ presets
- Parametric EQ
- Firmware update support
- Wider device compatibility
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- Improved app stability and reliability
CIRCUL+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FiiO Control
No in-app purchases
CIRCUL+
No in-app purchases
