# Pain Killer 2.0 vs Bipolar Compass

The clearest difference is price: Bipolar Compass at Free against Pain Killer 2.0's $4.99. Bipolar Compass also leads on update cadence (every 3 weeks vs every 4 months). Pain Killer 2.0's advantage is iOS requirement (9.3 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Bipolar Compass is free to download; Pain Killer 2.0 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pain Killer 2.0 ships an update every 4 months, Bipolar Compass every 3 weeks. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Pain Killer 2.0 | Bipolar Compass |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (142 ratings)](https://appshunter.io/ios/app/pain-killer-20/id350438576/reviews)** | — |
| Number of ratings | **142** | — |
| Positive reviews | 93.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 38 MB | 29 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Brian Zeleniak](https://appshunter.io/developer/345848084) | [RobAiotics Corp.](https://appshunter.io/developer/1865287421) |

## What reviewers say

### Pain Killer 2.0

[App page](https://appshunter.io/ios/app/pain-killer-20/id350438576)

This app uses advanced binaural beats to naturally release pain-stopping endorphins, offering fast relief for chronic pain, migraines, and more. Simply put on headphones, tap start, and experience pain melting away within minutes. It's a safe, natural, and non-addictive solution with no side effects.

**Highlights:** Natural pain relief via binaural beats, Fast acting on migraines and chronic pain, Variety of specialized sound settings, Background operation and auto-lock support, Gentle fade-out at session end, Built-in help and easy interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Effective pain relief without medication
- 😴 Helps users fall asleep faster
- 🎯 Multiple targeted settings for different pain types
- 💰 Affordable one-time purchase
- 🎧 Works with headphones and speakers

**What reviewers complain about**

- 🐛 App stops when phone screen goes dark
- ❌ Doesn't work for everyone
- ⏱️ Limited timer duration (max 2 hours)
- 🔊 Tones may be unpleasant to some users
- 💳 Billing issues reported

**Reported bugs**

- App stops playing when phone screen goes dark/locks
- Sound does not fade at end of session as advertised
- Double billing issue with bundle purchases
- App crashes on certain devices
- Sleep mode interferes with app functionality

**Requested features**

- Extend timer to 8 hours or 24 hours
- Add pause/resume functionality
- Improve app to prevent stopping when screen locks
- Add tooth pain relief setting
- Fade out sound at end of session


### Bipolar Compass

[App page](https://appshunter.io/ios/app/bipolar-compass/id6757681887)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pain Killer 2.0 free?

Pain Killer 2.0 costs $4.99, with no in-app purchases.

### Is Bipolar Compass free?

Bipolar Compass is free to download, with no in-app purchases.

### Do Pain Killer 2.0 or Bipolar Compass have ads?

Neither Pain Killer 2.0 nor Bipolar Compass shows ads.

### Which is updated more often, Pain Killer 2.0 or Bipolar Compass?

Pain Killer 2.0 ships an update every 4 months, and Bipolar Compass every 3 weeks. Most recently, Pain Killer 2.0 was updated on November 7, 2026 and Bipolar Compass on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*