# HabitBook vs Gravity

The clearest difference is price: HabitBook at Free against Gravity's $9.99. HabitBook also leads on update cadence (every 3 days vs every 2 weeks) and review sentiment (100% vs 92%). Gravity's advantage is in-app purchases (none vs 3) and chart position (#181 vs unranked). On ads, device support and iOS requirement there is nothing between them.

HabitBook is free to download; Gravity costs $9.99 up front. HabitBook sells 3 in-app purchases, starting at $1.99 per month. Gravity asks for nothing beyond the download.

HabitBook ships an update every 3 days, Gravity every 2 weeks. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | HabitBook | Gravity |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/gravity-minimal-notes/id6756236079/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | **100.0% of reviews** | 91.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#181** |
| Size | 35 MB | 35 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [REFBUCKS MEDIA LLP](https://appshunter.io/developer/1832906542) | [Tristan Manchester](https://appshunter.io/developer/1841242335) |

## What reviewers say

### HabitBook

[App page](https://appshunter.io/ios/app/habitbook-habit-tracker/id6749925752)

This app helps you build lasting habits by combining tracking, mood monitoring, and journaling. Visualize your progress with heat maps, set flexible goals, and receive smart reminders. It offers offline functionality and a privacy-focused design.

**Highlights:** Comprehensive habit tracking, Beautiful visual progress charts, Advanced streak tracking, Home screen widgets, Integrated wellness features, Smart reminders, Phone step integration

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HabitBook Pro - Monthly | $1.99 | per month |
| HabitBook Pro - Yearly | $11.99 | per year |
| HabitBook Pro - Lifetime | $24.99 | one-time |


### Gravity

[App page](https://appshunter.io/ios/app/gravity-minimal-notes/id6756236079)

**Currently charting:** #181 Top Paid · Productivity (US App Store)

This app offers a streamlined note-taking experience by eliminating folders and tags, focusing on a single, continuous stream of thoughts. Capture ideas instantly and use simple gestures to manage your notes, prioritizing what matters most.

**Highlights:** Instant note capture, Single stream organization, Swipe gestures for actions, Attention-based prioritization, Private iCloud sync, Lightweight prefixes for filtering, Fast search functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is HabitBook free?

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

### Is Gravity free?

Gravity costs $9.99, with no in-app purchases.

### Do HabitBook or Gravity have ads?

Neither HabitBook nor Gravity shows ads.

### Which is updated more often, HabitBook or Gravity?

HabitBook ships an update every 3 days, and Gravity every 2 weeks. Most recently, HabitBook was updated on June 1, 2026 and Gravity on September 14, 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.*