# Flow Interval vs ProdoClock

The clearest difference is update cadence: ProdoClock at every 5 days against Flow Interval's every 3 months. ProdoClock also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flow Interval sells 3 one-off in-app purchases and ProdoClock sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Flow Interval ships an update every 3 months, ProdoClock every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Flow Interval | ProdoClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prodoclock-visual-planner/id6758603667/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 1 MB | 52 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takumi Kanaya](https://appshunter.io/developer/1852755878) | [Danish Shaikh](https://appshunter.io/developer/1873898017) |

## What reviewers say

### Flow Interval

[App page](https://appshunter.io/ios/app/flow-interval/id6757172069)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $8.99 | one-time |


### ProdoClock

[App page](https://appshunter.io/ios/app/prodoclock-visual-planner/id6758603667)

Visualize your schedule as a clock face, integrating calendars, tasks, and reminders for an instant overview of your day. Customize layouts, themes, and widgets to suit your planning style. Offers analytics and accessibility features for a clearer, controlled approach to time management.

**Highlights:** Visual clock face scheduling, Calendar sync (Google, Apple, Outlook), Task and reminder integration, Customizable layouts and themes, Interactive widgets, Time analytics, Accessibility modes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProdoClock Pro Monthly | $2.99 | per month |
| Pro Lifetime | $15.00 | one-time |


## Frequently asked questions

### Is Flow Interval free?

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

### Is ProdoClock free?

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

### Do Flow Interval or ProdoClock have ads?

Neither Flow Interval nor ProdoClock shows ads.

### Which is updated more often, Flow Interval or ProdoClock?

Flow Interval ships an update every 3 months, and ProdoClock every 5 days. Most recently, Flow Interval was updated on October 31, 2026 and ProdoClock on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*