# ZoneFlow vs Days Since

The clearest difference is ads: Days Since at none against ZoneFlow's shown. ZoneFlow's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ZoneFlow sells 2 in-app purchases, starting at $2.99 per month and Days Since sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ZoneFlow ships an update every 3 days, Days Since monthly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ZoneFlow | Days Since |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Size | 19 MB | 4 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Benji Mandel](https://appshunter.io/developer/1520446400) | [Steven Zilberberg](https://appshunter.io/developer/385470424) |

## What reviewers say

### ZoneFlow

[App page](https://appshunter.io/ios/app/zoneflow-auto-timezone/id6777122376)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZoneFlow Pro Monthly | $2.99 | per month |
| ZoneFlow Pro Yearly | $14.99 | per year |


### Days Since

[App page](https://appshunter.io/ios/app/days-since-event-tracker/id6798489152)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Day Since Premium (Monthly) | $1.99 | per month |
| Days Since Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is ZoneFlow free?

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

### Is Days Since free?

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

### Do ZoneFlow or Days Since have ads?

ZoneFlow shows ads; Days Since does not.

### Which is updated more often, ZoneFlow or Days Since?

ZoneFlow ships an update every 3 days, and Days Since monthly. Most recently, ZoneFlow was updated on October 25, 2026 and Days Since on October 29, 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.*