Comparison

Anggle vs panic.btn

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

Head to head
About

Anggle

Features
Read full description

The Easiest Way to Track Your Joint Health Recovery Consistency is key when recovering from a joint injury. Use your iPhone to easily measure your joint's range of motion and monitor your recovery progress at a glance. Effortless Movement Measurement - Automatic Knee Extension/Flexion Calculation: Automatically calculates your knee's extension/flexion angle. Progress at a Glance - Visualized Trends: View your knee extension/flexion angle records visualized in a graph. - Track Changes: Easily check the changes in your knee's range of motion over time. - Discomfort Level Tracking: Monitor changes in your recorded discomfort levels. Smart Condition Logging - 0-10 Discomfort Scale: Record your level of discomfort on a simple 0-10 scale. - Progress Notifications: Receive messages when improvements or significant changes are detected. How to Use 1. Sit down and place your device on your thigh. 2. The angle will be measured automatically. 3. Record the discomfort level you felt during the measurement. 4. Check your results and compare them with previous records. Recommended For: - Individuals experiencing discomfort in knee movement. - Anyone recovering from a knee injury with rehabilitation exercises. - Those looking to improve their knee's range of motion. - Users who want to quantitatively track their exercise effectiveness. - Anyone who needs to perform regular knee condition check-ups. Privacy - On-Device Storage: All data is stored exclusively on your device. - No Server Uploads: Your data is never transmitted to any external servers. Disclaimer - This app is not a medical device and is not intended to replace professional medical advice, diagnosis, or treatment. - Use the measurement results for your own reference. Always consult with a healthcare professional for medical judgments.

About

panic.btn

Provides immediate physiological intervention for panic attacks and overwhelming anxiety. Features a one-tap rescue button with guided grounding sequences, clinical breathing exercises, and haptic feedback for discreet use. Content is verified by a Licensed Professional Counselor.

Highlights
  • One-tap rescue button
  • Guided grounding sequences
  • Clinical breathing tools (4-7-8, Box Breathing)
  • Vagus nerve resets
  • Haptic feedback for discreet use
  • CBT and physiological science-based content
Features
Read full description

STOP THE SPIRAL IN SECONDS. When a panic attack hits, you don't have time to navigate complex menus or watch a 10-minute meditation. You need a rescue tool that works now. panic.btn is a "digital first aid kit" built by Eric (Franz) Richers, a Licensed Professional Counselor (LPC) and addiction specialist. It is specifically designed to provide immediate physiological intervention when your nervous system is overwhelmed. WHY PANIC.BTN? Unlike "zen" lifestyle apps, panic.btn focuses on the science of the "Physiological Sigh" and grounding techniques used in clinical therapy to lower your heart rate and cortisol levels instantly. KEY FEATURES: The Rescue Button: One tap launches a guided grounding sequence. Clinical Breathing Tools: 4-7-8, Box Breathing, and Vagus Nerve resets. Haptic Feedback: Feel the rhythm of the breath—perfect for public situations where you can't use audio. LPC-Verified Content: Every exercise is rooted in CBT (Cognitive Behavioral Therapy) and physiological science. Privacy First: No data leaves your device. No sign-ups. No subscriptions. FROM THE FOUNDER: "I built this app for my clients to use between sessions. In a moment of crisis, you don't need a coach—you need a tool. panic.btn is that tool." — Eric Richers, LPC, MA, CADC III. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Anggle4 screens
panic.btn4 screens

Verdict

The call

The clearest difference is in-app purchases: Anggle at none against panic.btn's 3. Anggle also leads on update cadence (every 4 days vs every 2 weeks). panic.btn's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17). On price and ads 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. panic.btn sells 3 in-app purchases, starting at $0.99 per month. Anggle asks for nothing beyond the download.

UpkeepUpdate frequency

Anggle ships an update every 4 days, panic.btn every 2 weeks. The most recent releases landed on September 14, 2026 and June 7, 2026 respectively.

Scorecard4 real differences · 6 level
Anggle versus panic.btn: the parameters behind the verdict, then further details
ParameterAngglepanic.btn
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1715.0 — better
Further details — not scored
Size3 MB61 MB
Age rating4+12+
DeveloperYUJIN JEONFranz Richers

In-app purchases

None

Anggle

No in-app purchases

3 purchases

panic.btn

Subscriptions2
  • Monthly Pro Access$0.991 Month
  • Yearly Premium Access$4.991 Year
One-time1
  • panic.btn Pro Lifetime Access$9.99

Questions

Is Anggle free?
Anggle is free to download, with no in-app purchases.
Is panic.btn free?
panic.btn is free to download, with in-app purchases available.
Do Anggle or panic.btn have ads?
Neither Anggle nor panic.btn shows ads.
Which is updated more often, Anggle or panic.btn?
Anggle ships an update every 4 days, and panic.btn every 2 weeks. Most recently, Anggle was updated on September 14, 2026 and panic.btn on June 7, 2026.

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