# BRAIN SLEEP COIN vs Kalbox

The clearest difference is update cadence: Kalbox at every 2 weeks against BRAIN SLEEP COIN's every 2 months. BRAIN SLEEP COIN's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BRAIN SLEEP COIN ships an update every 2 months, Kalbox every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BRAIN SLEEP COIN | Kalbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/brain-sleep-coin/id1610963810/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 26.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 136 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Brain Sleep](https://appshunter.io/developer/1610963812) | [KALBI LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1551784600) |

## What reviewers say

### BRAIN SLEEP COIN

[App page](https://appshunter.io/ios/app/brain-sleep-coin/id1610963810)

This advanced alarm app visualizes sleep issues and offers personalized support for better rest. It tracks sleep cycles, snoring, and provides detailed reports with advice for improvement. Earn rewards for quality sleep.

**Highlights:** Sleep tracking and analysis, Smart alarm for light sleep phases, Detailed sleep reports, Healing soundscapes for relaxation, Sleep quality rewards and coupons, Cloud backup for sleep data

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

**In-app purchases:** none


### Kalbox

[App page](https://appshunter.io/ios/app/kalbox/id6767986664)

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

**In-app purchases:** none


## Frequently asked questions

### Is BRAIN SLEEP COIN free?

BRAIN SLEEP COIN is free to download, with no in-app purchases.

### Is Kalbox free?

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

### Do BRAIN SLEEP COIN or Kalbox have ads?

Neither BRAIN SLEEP COIN nor Kalbox shows ads.

### Which is updated more often, BRAIN SLEEP COIN or Kalbox?

BRAIN SLEEP COIN ships an update every 2 months, and Kalbox every 2 weeks. Most recently, BRAIN SLEEP COIN was updated on November 3, 2026 and Kalbox on October 31, 2026.

---

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