# Linggen vs PhoneJail

The clearest difference is price: Linggen at Free against PhoneJail's $4.99. PhoneJail's advantage is in-app purchases (none vs 3) and update cadence (weekly vs every 3 weeks). On ads, device support and iOS requirement there is nothing between them.

Linggen is free to download; PhoneJail costs $4.99 up front. Linggen sells 3 in-app purchases, starting at $1.99 per month. PhoneJail asks for nothing beyond the download.

Linggen ships an update every 3 weeks, PhoneJail weekly. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Linggen | PhoneJail |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linggen-pomodoro-focus-timer/id6761411044/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | — |
| Size | 55 MB | 17 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [德博 闫](https://appshunter.io/developer/1869645907) | [Shanghai Infinite Imagination Information Technology Co., Ltd](https://appshunter.io/developer/6800199070) |

## What reviewers say

### Linggen

[App page](https://appshunter.io/ios/app/linggen-pomodoro-focus-timer/id6761411044)

This app uses a unique cultivation system to gamify focus sessions and habit building. Track your progress, earn rewards, and gain insights to make focusing a rewarding journey of visible growth.

**Highlights:** Pomodoro focus timer, Custom session length, Distraction-free experience, Visual progress tracking, Rewards system, Focus time statistics

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prime (Monthly) | $1.99 | per month |
| Prime | $9.99 | per year |
| Prime(lifetime) | $29.99 | one-time |


### PhoneJail

[App page](https://appshunter.io/ios/app/phonejail-study-timer-and-focus/id6805835720)

**In-app purchases:** none


## Frequently asked questions

### Is Linggen free?

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

### Is PhoneJail free?

PhoneJail costs $4.99, with no in-app purchases.

### Do Linggen or PhoneJail have ads?

Neither Linggen nor PhoneJail shows ads.

### Which is updated more often, Linggen or PhoneJail?

Linggen ships an update every 3 weeks, and PhoneJail weekly. Most recently, Linggen was updated on October 9, 2026 and PhoneJail on October 8, 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.*