# Zen Habit Tracker vs Sparko

The clearest difference is in-app purchases: Zen Habit Tracker at none against Sparko's 3. Sparko's advantage is update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sparko sells 3 in-app purchases, starting at $0.99 per month. Zen Habit Tracker asks for nothing beyond the download.

Zen Habit Tracker ships an update fortnightly, Sparko every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Zen Habit Tracker | Sparko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 17 MB | 33 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丹丹 董](https://appshunter.io/developer/1882663130) | [若璇 王](https://appshunter.io/developer/6775316321) |

## What reviewers say

### Zen Habit Tracker

[App page](https://appshunter.io/ios/app/zen-habit-tracker/id6763897541)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sparko

[App page](https://appshunter.io/ios/app/sparko-captures-idea/id6775450694)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark 月度订阅 | $0.99 | per month |
| Spark 年度订阅 | $6.99 | per year |
| Spark 终身 | $14.99 | one-time |


## Frequently asked questions

### Is Zen Habit Tracker free?

Zen Habit Tracker is free to download, with no in-app purchases.

### Is Sparko free?

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

### Do Zen Habit Tracker or Sparko have ads?

Neither Zen Habit Tracker nor Sparko shows ads.

### Which is updated more often, Zen Habit Tracker or Sparko?

Zen Habit Tracker ships an update fortnightly, and Sparko every 4 days. Most recently, Zen Habit Tracker was updated on October 25, 2026 and Sparko on October 25, 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.*