# Activity Tracker vs ZenFlow

The clearest difference is ads: Activity Tracker at none against ZenFlow's shown. ZenFlow's advantage is update cadence (every 9 days vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Activity Tracker sells 2 in-app purchases, starting at $3.99 per month and ZenFlow sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Activity Tracker ships an update every 9 months, ZenFlow every 9 days. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Activity Tracker | ZenFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 9 days** |
| Size | 51 MB | 126 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Viachaslau Staravoitau](https://appshunter.io/developer/1752502804) | [Dao Duy Thai](https://appshunter.io/developer/1885906689) |

## What reviewers say

### Activity Tracker

[App page](https://appshunter.io/ios/app/activity-tracker-assistance/id6504491731)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $3.99 | per month |
| Unlimited access | $29.99 | per year |


### ZenFlow

[App page](https://appshunter.io/ios/app/zenflow-life-organizer/id6760720258)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZenNote Pro Monthly | $2.99 | per month |
| ZenNote Pro Quarterly | $6.99 | per 3 months |
| Premium Semiannual | $9.99 | per 6 months |
| ZenNote Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Activity Tracker free?

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

### Is ZenFlow free?

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

### Do Activity Tracker or ZenFlow have ads?

ZenFlow shows ads; Activity Tracker does not.

### Which is updated more often, Activity Tracker or ZenFlow?

Activity Tracker ships an update every 9 months, and ZenFlow every 9 days. Most recently, Activity Tracker was updated on September 8, 2026 and ZenFlow on September 12, 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.*