# Habit Tracker vs Flow21 Systems

The clearest difference is in-app purchases: Flow21 Systems at none against Habit Tracker's 3. Habit Tracker's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Habit Tracker sells 3 in-app purchases, starting at $2.99 per month. Flow21 Systems asks for nothing beyond the download.

Habit Tracker ships an update every 3 weeks, Flow21 Systems every 2 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Habit Tracker | Flow21 Systems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/habit-tracker-rippleeffect/id1629530240/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 335 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Lina Campagnaro](https://appshunter.io/developer/1629530242) | [Flow21 Systems](https://appshunter.io/developer/1785598054) |

## What reviewers say

### Habit Tracker

[App page](https://appshunter.io/ios/app/habit-tracker-rippleeffect/id1629530240)

Build lasting habits and routines with this visually appealing tracker. Stay motivated with streaks, track progress with insightful statistics, and never miss a day with helpful reminders. Designed for simplicity and privacy, it helps you create positive changes one ripple at a time.

**Highlights:** Create custom habits with icons and colors, Track streaks and visualize progress, Motivating statistics and trend analysis, Intuitive calendar and weekly views, Flexible daily or weekly scheduling, Interactive home screen widgets, Customizable reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RippleEffect Premium Monthly | $2.99 | per month |
| RippleEffect Premium Yearly | $14.99 | per year |
| Lifetime Premium | $39.99 | one-time |


### Flow21 Systems

[App page](https://appshunter.io/ios/app/flow21-systems/id6739488079)

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

**In-app purchases:** none


## Frequently asked questions

### Is Habit Tracker free?

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

### Is Flow21 Systems free?

Flow21 Systems is free to download, with no in-app purchases.

### Do Habit Tracker or Flow21 Systems have ads?

Neither Habit Tracker nor Flow21 Systems shows ads.

### Which is updated more often, Habit Tracker or Flow21 Systems?

Habit Tracker ships an update every 3 weeks, and Flow21 Systems every 2 months. Most recently, Habit Tracker was updated on October 11, 2026 and Flow21 Systems on September 30, 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.*