Comparison

Nothing X vs S&O

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nothing X

Manage your smart devices with this platform. Connect and customize smartwatches and earbuds, track health metrics like sleep and heart rate, and monitor fitness activities with real-time data. Syncs with Apple Health for a comprehensive view of your well-being.

Highlights
  • Smart device connection and management
  • Personalized function customization
  • Real-time health monitoring
  • Fitness activity tracking
  • Syncs with Apple Health
  • GPS for route recording
Features
Read full description

Nothing X - Your All-in-One Smart Device Manager Nothing X is a professional smart device control and management platform. It supports quick pairing with its smart watches and earbuds, enabling seamless device connection and efficient management. Device Management - Connect and manage Nothing X smart watches and earbuds, easily controlling all device functions. Personalized Customization - Support for customizing functions on watches and earbuds based on personal usage habits, creating a unique user experience. Health Monitoring - Real-time detection of health data such as sleep quality, heart rate, and blood oxygen. Multi-dimensional tracking of health status provides reference for a healthier lifestyle. Fitness Tracking - Real-time recording of daily activities and fitness data, including running routes, heart rate, and step frequency—all fitness metrics are clearly visible. 【Tips】 - This app supports syncing data to Apple Health, where you can view your health data. - GPS is used for recording running routes and updating watch weather; GPS remains active when the app runs in the background during workouts. - Device functions depend on hardware; detected data is for reference only and not intended for medical diagnosis. 【Contact Us】 If you encounter any issues or have suggestions while using the product, you can submit them by going to "My - Help & Feedback" in Nothing X, or by visiting the link: https://nothing.tech/pages/contact-support.

About

S&O

This app allows users to customize settings and optimize sound quality for supported Bluetooth headphones. It offers features like ambient sound control, personalized operation settings, and white noise for relaxation. Users can also track their earbuds' battery life.

Highlights
  • Ambient sound control (ANC)
  • Customizable operation settings
  • White noise for relaxation
  • Battery status tracking
  • Sound quality optimization
Features
Read full description

The customized app for your preference Nowadays, it’s more common to wear wireless earbuds when commuting, working, doing workout , driving, just to name a few than before. S&O App offers specific functions to supported S&O headphones, and allows users to customize their app settings and optimize sound quality. Ambient sound control Ease up to take control of ANC and ambient sound mode. Customized operation Based on your usage pattern, to customize operation settings, such as volume up and down, play and pause playback, answer and hand up phone call, transparency mode. White noise Combined natural sound with brainwave music, to refine your sleep quality and deeply relax your brain. Battery status To track earbuds’ battery life by an indicator on the App.

Screenshots

Nothing X4 screens
S&O4 screens

Verdict

The call

The clearest difference is rating: Nothing X at 4.7 against S&O's 3.0. Nothing X also leads on review sentiment (72% vs 33%) and ratings volume (3.4K vs 2). S&O's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nothing X sells 3 one-off in-app purchases. S&O asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nothing X holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Nothing X has 3.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 72% of Nothing X's written reviews are positive against 33% of S&O's.

UpkeepUpdate frequency

Nothing X ships an update fortnightly, S&O every 2 weeks. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Nothing X versus S&O: the parameters behind the verdict, then further details
ParameterNothing XS&O
PriceFreeFree
Rating4.7 (3.4K ratings) — better3.0 (2 ratings)
Positive reviews72.1% of reviews — better33.3% of reviews
Number of ratings3.4K — better2
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size360 MB138 MB
Age rating4+4+
DeveloperNothing Technology LimitedMifo Technology Co.LTD

Customer experience

Nothing X

All ratings3,431 ratings
Positive92.1%
Neutral2.2%
Negative5.7%
Written reviews2,312 reviews
Positive72.1%
Neutral7.4%
Negative20.5%

S&O

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Bugs and requests

Nothing X

Reported bugs

4 issues
  • Right earbud randomly stops working
  • App fails to connect to earbuds
  • EQ settings reset unexpectedly
  • Noise cancellation turns on/off randomly

Requested features

5 requests
  • More granular EQ controls
  • Ability to disable all touch controls
  • Home screen widget for battery levels
  • Integration with voice assistants
  • Improved wind noise reduction

S&O

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Nothing X

One-time3
  • 120-Minute Pack$2.49
  • 300-Minute Pack$5.99
  • 1200-Minute Pack$22.99
None

S&O

No in-app purchases

Questions

Is Nothing X free?
Nothing X is free to download, with in-app purchases available.
Is S&O free?
S&O is free to download, with no in-app purchases.
Which has better reviews, Nothing X or S&O?
Nothing X is rated higher. Nothing X averages 4.7 out of 5 from 3.4K ratings, while S&O averages 3.0 from 2 ratings.
Do Nothing X or S&O have ads?
Neither Nothing X nor S&O shows ads.
Which is updated more often, Nothing X or S&O?
Nothing X ships an update fortnightly, and S&O every 2 weeks. Most recently, Nothing X was updated on November 5, 2026 and S&O on November 3, 2026.

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