# BUSY vs IsonAI

The clearest difference is device support: BUSY at 3 against IsonAI's 1. On price, update cadence, ads and in-app purchases 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, IsonAI every 3 weeks. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | BUSY | IsonAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (13 ratings)](https://appshunter.io/ios/app/busy-advanced-focus-timer/id6738797176/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 163 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Flipper - FZCO](https://appshunter.io/developer/6777132645) | [Dimas Wibisono](https://appshunter.io/developer/1892365235) |

## 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


### IsonAI

[App page](https://appshunter.io/ios/app/isonai/id6761997078)

**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 IsonAI free?

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

### Do BUSY or IsonAI have ads?

Neither BUSY nor IsonAI shows ads.

### Which is updated more often, BUSY or IsonAI?

BUSY ships an update fortnightly, and IsonAI every 3 weeks. Most recently, BUSY was updated on November 12, 2026 and IsonAI on November 9, 2026.

---

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