# BUSY vs Coil Width Calculator

The clearest difference is update cadence: Coil Width Calculator at every 2 days against BUSY's fortnightly. 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.

BUSY ships an update fortnightly, Coil Width Calculator every 2 days. The most recent releases landed on October 4, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | BUSY | Coil Width Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/busy-advanced-focus-timer/id6738797176/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free | — |
| Size | 173 MB | 10 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Flipper - FZCO](https://appshunter.io/developer/6777132645) | [Rishabh Padia](https://appshunter.io/developer/1832510311) |

## What reviewers say

### BUSY

[App page](https://appshunter.io/ios/app/busy-advanced-focus-timer/id6738797176)

Enhance your productivity by blocking distracting apps and muting notifications. This tool offers customizable focus sessions, including Pomodoro-style workflows, and provides insights into your distraction attempts to help you improve focus.

**Highlights:** Customizable focus sessions (timer, Pomodoro, no time limit), Distraction blocking (apps, notifications), Accountability features (no skipping sessions), Distraction attempt tracking, Apple Watch integration, Customizable timer themes

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Coil Width Calculator

[App page](https://appshunter.io/ios/app/coil-width-calculator/id6749900909)

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

**In-app purchases:** none


## Frequently asked questions

### Is BUSY free?

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

### Is Coil Width Calculator free?

Coil Width Calculator is free to download, with no in-app purchases.

### Do BUSY or Coil Width Calculator have ads?

Neither BUSY nor Coil Width Calculator shows ads.

### Which is updated more often, BUSY or Coil Width Calculator?

BUSY ships an update fortnightly, and Coil Width Calculator every 2 days. Most recently, BUSY was updated on October 4, 2026 and Coil Width Calculator on September 6, 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.*