# Think Safe vs Habit Chains

The clearest difference is price: Think Safe at Free against Habit Chains's $1.99. Think Safe also leads on iOS requirement (12.1 vs 15.1). Habit Chains's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 28 months). On ads and device support there is nothing between them.

Think Safe is free to download; Habit Chains costs $1.99 up front. Think Safe sells 1 one-off in-app purchase. Habit Chains asks for nothing beyond the download.

Think Safe ships an update every 28 months, Habit Chains every 3 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Think Safe | Habit Chains |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/habit-chains/id6754259838/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 3 MB | 40 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emidio Cunha](https://appshunter.io/developer/369173671) | [Paul Brewer](https://appshunter.io/developer/1833718234) |

## What reviewers say

### Think Safe

[App page](https://appshunter.io/ios/app/think-safe/id1458863382)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Features Unlock | $1.99 | one-time |


### Habit Chains

[App page](https://appshunter.io/ios/app/habit-chains/id6754259838)

Build positive daily routines through a simple, private system of linked habits. Focus on small, consistent actions to create momentum and transform your day without distractions or subscriptions.

**Highlights:** Micro habit stacking, Analytics and streaks, Smart local reminders, Light and dark mode, 30+ ready-made templates, Privacy-first design, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Think Safe free?

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

### Is Habit Chains free?

Habit Chains costs $1.99, with no in-app purchases.

### Do Think Safe or Habit Chains have ads?

Neither Think Safe nor Habit Chains shows ads.

### Which is updated more often, Think Safe or Habit Chains?

Think Safe ships an update every 28 months, and Habit Chains every 3 weeks. Most recently, Think Safe was updated on October 10, 2026 and Habit Chains on October 7, 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.*