# iDay vs CBOSS

The clearest difference is in-app purchases: CBOSS at none against iDay's 1. CBOSS also leads on ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. iDay sells 1 one-off in-app purchase. CBOSS asks for nothing beyond the download.

iDay ships an update every 2 months, CBOSS every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | iDay | CBOSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (71 ratings)](https://appshunter.io/ios/app/iday/id1458342824/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 76 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [再锋 吴](https://appshunter.io/developer/1444700755) | [Capps Solutions](https://appshunter.io/developer/564105175) |

## What reviewers say

### iDay

[App page](https://appshunter.io/ios/app/iday/id1458342824)

This app helps you focus and overcome procrastination using the Pomodoro Technique. It offers customizable timers, ambient sounds, and study modes to create a distraction-free environment for work and study.

**Highlights:** Pomodoro Technique timer (25 min focus, 5 min rest), Customizable focus and rest timers, Ambient soundscapes (waves, rain, forest, cafe), Study area with flip mode to prevent phone use, Task reminders and procrastination tools, Data statistics for tracking efforts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $2.99 | one-time |


### CBOSS

[App page](https://appshunter.io/ios/app/cboss/id1585977509)

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

**In-app purchases:** none


## Frequently asked questions

### Is iDay free?

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

### Is CBOSS free?

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

### Do iDay or CBOSS have ads?

iDay shows ads; CBOSS does not.

### Which is updated more often, iDay or CBOSS?

iDay ships an update every 2 months, and CBOSS every 8 days. Most recently, iDay was updated on October 24, 2026 and CBOSS on October 24, 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.*