# KOFO, focus for work and study vs CoreFocus

The clearest difference is price: CoreFocus at Free against KOFO, focus for work and study's $3.99. KOFO, focus for work and study's advantage is update cadence (every 5 days vs every 4 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CoreFocus is free to download; KOFO, focus for work and study costs $3.99 up front. KOFO, focus for work and study sells 6 in-app purchases, starting at $0.99 per 7 days and CoreFocus sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

KOFO, focus for work and study ships an update every 5 days, CoreFocus every 4 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | KOFO, focus for work and study | CoreFocus |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 91.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sunfun Info Co., Ltd.](https://appshunter.io/developer/473615250) | [Isuru Lakmal](https://appshunter.io/developer/1825451258) |

## What reviewers say

### KOFO, focus for work and study

[App page](https://appshunter.io/ios/app/kofo-focus-for-work-and-study/id6468551669)

Enhance your focus and productivity by growing a virtual forest. Earn coins through focused sessions to plant real trees and support wildlife conservation efforts. Join a community dedicated to making a positive environmental impact.

**Highlights:** Gameplay meets focus, Real-world reforestation impact, Task management and achievements, Wildlife awareness, Virtual tree growth, Coin accumulation for real trees

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Boost | $0.99 | per 7 days |
| Monthly Boost | $2.99 | per month |
| 30 Rubies | $0.99 | one-time |
| 160 Rubies | $4.99 | one-time |
| 380 Rubies | $9.99 | one-time |
| 800 Rubies | $19.99 | one-time |

**What reviewers like**

- 🌳 Meaningful environmental impact
- 🍅 Effective focus tool (Pomodoro)
- 🌿 Cute and appealing interface
- 👍 User-friendly and simple design
- 💡 Innovative concept combining focus and trees

**What reviewers complain about**

- 🐛 App crashes or fails on screen off
- 🌳 Trees not growing or dying
- 🐛 Page switching issues
- 🐛 Planting not successful

**Reported bugs**

- Screen off causes automatic failure
- Cannot switch pages
- Trees die or do not grow successfully
- Planting fails

**Requested features**

- More diverse animal options (e.g., koalas)
- Ability to view others' diary entries
- Tagging system for diary entries
- More content and features
- Sound notifications for focus timer


### CoreFocus

[App page](https://appshunter.io/ios/app/corefocus-study-timer-and-farm/id6753196759)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoreFocus Weekly Pro | $1.99 | per 7 days |
| CoreFocus Monthly Pro | $3.99 | per month |
| CoreFocus Yearly Pro | $14.99 | per year |
| CoreFocus Lifetime pro access | $19.99 | one-time |


## Frequently asked questions

### Is KOFO, focus for work and study free?

KOFO, focus for work and study costs $3.99, and also offers in-app purchases.

### Is CoreFocus free?

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

### Do KOFO, focus for work and study or CoreFocus have ads?

Both KOFO, focus for work and study and CoreFocus show ads.

### Which is updated more often, KOFO, focus for work and study or CoreFocus?

KOFO, focus for work and study ships an update every 5 days, and CoreFocus every 4 weeks. Most recently, KOFO, focus for work and study was updated on October 18, 2026 and CoreFocus on October 19, 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.*