Comparison

HeadsUp vs SelfSpell

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

Head to head
About

HeadsUp

This app uses your device's camera or AirPods to monitor your sitting posture. It provides gentle reminders and gamified feedback to help you maintain an upright position, with additional features like a focus timer and statistics tracking.

Highlights
  • Camera or AirPods posture detection
  • Gamified posture feedback
  • Customizable sensitivity
  • Multiple reminder modes
  • Sitting break reminders
  • Pomodoro timer
  • Focus and posture statistics
  • Widget support
Features
Read full description

HeadsUp is an app that detects head position by camera or AirPods and helps to keep sitting posture. Turn on the camera or wear AirPods, and start sitting guarding. You will be transformed into an animal with a watermelon on your head, and when you lower and tilt your head, the watermelon will fall down. Features: - Low head, tilted head, neck probe reminder - Customized sensitivity adjustment It It is recommended to adjust it lower when reading and writing and higher when using computer - Support different reminder modes Real voice, frog chirping, silent mode, reduce the interference in work and study。If you're not comfortable with voice alerts and have an Apple Watch, you'll get the watch's vibrating alerts on your wrist. - Sitting reminder Remind to rest when 40 minutes of continuous sitting is detected. - Tomato Clock Timer It It is not only a posture detection app, but also a tomato clock app, which supports tomato clock timing. - Statistics On On the app, you can view the current day/month/year/the last 7 days/the last 30 days focus time and bad posture statistics, this function uses iCloud Private Database only you can view your own data, to maximize the protection of your privacy. - Widgets Support Support iOS 16 lock screen widget and desktop widget to view current day data and last 7 days data. - No ads, no buzzy push notification - No internet connection required, all local computing, protecting your privacy # Support device Method 1: Camera Detection App utilizes the device's front-facing TrueDepth camera and requires iPhone X or iPad Pro 11-inch and later models to work (i.e. FaceID support). Method 2: AirPods Detection Support AirPods 3/Pro/Max/Beats Fit Pro(support spatial audio) App integrates with the Apple HealthKit to launch watch app and get alert from watch. Contact us twitter: @haozes Email: haozes@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yaoyaojumprope.com/static/headsup_privacy.html

About

SelfSpell

Features
Read full description

Reshape Your Mind with Voice, Let Change Happen Naturally SelfSpell is an innovative self-affirmation training app that helps you build healthy thought patterns and break negative habits through recording and repeatedly playing positive self-talk. Core Features Record Your Spells Record affirmations in your own voice for better subconscious acceptance. Free recording - say whatever you need to hear. AI-Powered Generation Not sure what to say? AI generates personalized affirmations for you. Just enter your goal and get 20 professional self-affirmation statements. Scientific Repetition Training Three playback modes: once, infinite loop, or count-based loop. Adjustable playback speed for efficient training. Visual Progress Tracking Dynamic energy halo reflects your training status in real-time. Calendar heatmap records daily check-ins. Streak counter motivates consistency. Privacy Playback Mode Defaults to earpiece playback for privacy. Switch to speaker or use headphones as needed. Beautiful Interface Design Day/night/auto theme modes. Smooth animations make training enjoyable. Why Choose SelfSpell? • Based on neuroscience: Repetition is the most effective way to change your brain • Your own voice: More influential on the subconscious than reading text • Fully local: Recordings stored on device, privacy protected • No account needed: Download and use immediately • Multi-language: Chinese, English, Japanese Who Is It For? • People wanting to build positive thinking patterns • Those breaking bad habits • Anyone needing self-motivation • Personal growth seekers • Those improving mental well-being Subscription • Free: Use your own API key to generate spells • Subscription: Yearly plan available, no setup required, 20 spells per generation Start your transformation journey. Make positive thinking a habit. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HeadsUp4 screens
SelfSpell4 screens

Verdict

The call

The clearest difference is update cadence: SelfSpell at every 8 days against HeadsUp's every 3 weeks. HeadsUp's advantage is device support (5 vs 2) and iOS requirement (15.0 vs 17.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HeadsUp sells 3 in-app purchases, starting at $0.99 per month and SelfSpell sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

HeadsUp ships an update every 3 weeks, SelfSpell every 8 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
HeadsUp versus SelfSpell: the parameters behind the verdict, then further details
ParameterHeadsUpSelfSpell
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews68.2% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size169 MB6 MB
Age rating4+4+
Developer家浩 汪泳城 李

In-app purchases

3 purchases

HeadsUp

Subscriptions2
  • Monthly7 Days trial$0.991 Month
  • Yearly7 Days trial$2.991 Year
One-time1
  • Pro$3.99
1 purchases

SelfSpell

Subscriptions1
  • SelfSpell Yearly$9.991 Year

Questions

Is HeadsUp free?
HeadsUp is free to download, with in-app purchases available.
Is SelfSpell free?
SelfSpell is free to download, with in-app purchases available.
Do HeadsUp or SelfSpell have ads?
Neither HeadsUp nor SelfSpell shows ads.
Which is updated more often, HeadsUp or SelfSpell?
HeadsUp ships an update every 3 weeks, and SelfSpell every 8 days. Most recently, HeadsUp was updated on October 29, 2026 and SelfSpell on October 24, 2026.

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