# PK10000 vs ESSLB

The clearest difference is in-app purchases: ESSLB at none against PK10000's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PK10000 sells 4 in-app purchases, starting at $0.99 per month. ESSLB asks for nothing beyond the download.

PK10000 ships an update every 3 weeks, ESSLB monthly. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PK10000 | ESSLB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/pk10000-focus-timer/id6469668991/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 42 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [正峰 蒋](https://appshunter.io/developer/1102407664) | [khalil hamze](https://appshunter.io/developer/1643295107) |

## What reviewers say

### PK10000

[App page](https://appshunter.io/ios/app/pk10000-focus-timer/id6469668991)

This app helps you achieve mastery through deliberate practice by tracking your progress towards long-term goals. It offers goal management, detailed statistics, and a Pomodoro timer to enhance focus and efficiency.

**Highlights:** Goal Management (100-10,000 hours), Tag Classification (12 categories), Data Statistics (daily, monthly, yearly), Pomodoro Timer (study/break sessions), Minimalist Interface, Subscription Plans

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annually | $3.99 | per year |
| Early Bird MemberShip | $2.99 | one-time |
| Lifetime | $9.99 | one-time |


### ESSLB

[App page](https://appshunter.io/ios/app/esslb/id6501989022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PK10000 free?

PK10000 is free to download, with in-app purchases available.

### Is ESSLB free?

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

### Do PK10000 or ESSLB have ads?

Neither PK10000 nor ESSLB shows ads.

### Which is updated more often, PK10000 or ESSLB?

PK10000 ships an update every 3 weeks, and ESSLB monthly. Most recently, PK10000 was updated on September 29, 2026 and ESSLB on September 20, 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.*