# Interval Flow vs PhaseKit

The clearest difference is update cadence: Interval Flow at every 2 weeks against PhaseKit's monthly. Interval Flow also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Interval Flow sells 1 one-off in-app purchase and PhaseKit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Interval Flow ships an update every 2 weeks, PhaseKit monthly. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Interval Flow | PhaseKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 8 MB | 4 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tegyaan](https://appshunter.io/developer/1711584632) | [Dominik Schmitt](https://appshunter.io/developer/1865712649) |

## What reviewers say

### Interval Flow

[App page](https://appshunter.io/ios/app/interval-flow/id6469113776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiple Programs | $3.99 | one-time |


### PhaseKit

[App page](https://appshunter.io/ios/app/phasekit-sequence-timer/id6757267909)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Custom Colors | $0.99 | one-time |


## Frequently asked questions

### Is Interval Flow free?

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

### Is PhaseKit free?

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

### Do Interval Flow or PhaseKit have ads?

Neither Interval Flow nor PhaseKit shows ads.

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

Interval Flow ships an update every 2 weeks, and PhaseKit monthly. Most recently, Interval Flow was updated on October 10, 2026 and PhaseKit on September 28, 2026.

---

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