# FocusBeats vs KaiInbox

The clearest difference is in-app purchases: KaiInbox at none against FocusBeats's 3. KaiInbox also leads on ratings volume (3 vs 1) and iOS requirement (16.0 vs 26.0). FocusBeats's advantage is device support (4 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. FocusBeats sells 3 in-app purchases, starting at $0.99 per month. KaiInbox asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for FocusBeats against 5.0 for KaiInbox. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

FocusBeats ships an update every 2 weeks, KaiInbox every 6 days. The most recent releases landed on September 22, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | FocusBeats | KaiInbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/focusbeats-study-music-timer/id6477829138/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/kaiinbox/id6767057922/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 220 MB | 4 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Cihat Guenduez](https://appshunter.io/developer/556786619) | [KRISHNA PINNAMANENI](https://appshunter.io/developer/1880298048) |

## What reviewers say

### FocusBeats

[App page](https://appshunter.io/ios/app/focusbeats-study-music-timer/id6477829138)

Enhance your work and study with a unique blend of focus-enhancing music and the Pomodoro technique. Choose from 25 themed playlists and customizable sessions to boost productivity and enjoyment.

**Highlights:** 25 unique music themes, Customizable Pomodoro sessions, Thematic audiovisual experience, Curated focus-enhancing playlists, Community theme suggestions, Automatic break notifications

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (Yearly) | $4.99 | per year |
| Premium (Lifetime) | $19.99 | one-time |


### KaiInbox

[App page](https://appshunter.io/ios/app/kaiinbox/id6767057922)

This app helps you manage your finances by organizing bills, receipts, and important documents. It identifies potential savings by tracking renewals, refunds, and warranties, providing clear actions and evidence.

**Highlights:** Detects subscription renewals, Finds refund and return evidence, Preserves receipts and confirmations, Highlights financial moments needing attention, Provides evidence for actions, Shows financial timeline

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

**In-app purchases:** none


## Frequently asked questions

### Is FocusBeats free?

FocusBeats is free to download, with in-app purchases available.

### Is KaiInbox free?

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

### Which has better reviews, FocusBeats or KaiInbox?

FocusBeats and KaiInbox are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do FocusBeats or KaiInbox have ads?

Neither FocusBeats nor KaiInbox shows ads.

### Which is updated more often, FocusBeats or KaiInbox?

FocusBeats ships an update every 2 weeks, and KaiInbox every 6 days. Most recently, FocusBeats was updated on September 22, 2026 and KaiInbox on October 2, 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.*