# Habit vs ChapterLamp

The clearest difference is price: ChapterLamp at Free against Habit's $0.99. ChapterLamp also leads on in-app purchases (none vs 3) and update cadence (fortnightly vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

ChapterLamp is free to download; Habit costs $0.99 up front. Habit sells 3 one-off in-app purchases. ChapterLamp asks for nothing beyond the download.

Habit ships an update every 4 months, ChapterLamp fortnightly. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Habit | ChapterLamp |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 2 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anand Raj R](https://appshunter.io/developer/514675684) | [Shanghai Runesmith Artificial Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1872991929) |

## What reviewers say

### Habit

[App page](https://appshunter.io/ios/app/habit-21-day-routine/id514915621)

Build life-changing habits with a focused 21-day approach. Track your progress, receive gentle reminders, and celebrate milestones to achieve real change. This app emphasizes self-accountability for lasting results.

**Highlights:** Single habit focus, 21-day tracking, Customizable reminders, Visual progress tracking, Success celebrations, Pro features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Restart Challenge | $0.99 | one-time |
| Start new challenge | $1.99 | one-time |
| 21habit Pro | $21.00 | one-time |


### ChapterLamp

[App page](https://appshunter.io/ios/app/chapterlamp/id6767974395)

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

**In-app purchases:** none


## Frequently asked questions

### Is Habit free?

Habit costs $0.99, and also offers in-app purchases.

### Is ChapterLamp free?

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

### Do Habit or ChapterLamp have ads?

Neither Habit nor ChapterLamp shows ads.

### Which is updated more often, Habit or ChapterLamp?

Habit ships an update every 4 months, and ChapterLamp fortnightly. Most recently, Habit was updated on November 1, 2026 and ChapterLamp on October 28, 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.*