# Systems vs ZenFlow

The clearest difference is ads: Systems at none against ZenFlow's shown. ZenFlow's advantage is update cadence (every 9 days vs every 4 weeks) and iOS requirement (16.4 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Systems sells 4 in-app purchases, starting at $3.99 per 7 days 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.

Systems ships an update every 4 weeks, ZenFlow every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Systems | ZenFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Subscription | — |
| Size | 70 MB | 126 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Kovacs](https://appshunter.io/developer/1814096456) | [Dao Duy Thai](https://appshunter.io/developer/1885906689) |

## What reviewers say

### Systems

[App page](https://appshunter.io/ios/app/systems-checklists/id6746172413)

This app helps you create and follow repeatable workflows to avoid missing crucial steps. Capture any process, from morning routines to business procedures, and check off progress as you go. Reduce mental load and minimize errors by relying on structured systems instead of memory.

**Highlights:** Reusable checklist systems, Daily progress tracking, Calendar and timeline views, Categories, favorites, and search, Shareable links, Import and export support, Calendar integration, iCloud Sync (Beta)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Systems Pro Weekly | $3.99 | per 7 days |
| Systems Pro (1 Month) | $4.99 | per month |
| Systems Pro (1 Year) | $19.99 | per year |
| Systems Pro (Lifetime) | $49.99 | one-time |


### 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 Systems free?

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

### Is ZenFlow free?

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

### Do Systems or ZenFlow have ads?

ZenFlow shows ads; Systems does not.

### Which is updated more often, Systems or ZenFlow?

Systems ships an update every 4 weeks, and ZenFlow every 9 days. Most recently, Systems was updated on October 30, 2026 and ZenFlow on October 31, 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.*