# Interval Flow vs Keepdaily

The clearest difference is device support: Interval Flow at 3 against Keepdaily's 1. Interval Flow also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, 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 Keepdaily sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Flow ships an update every 2 weeks, Keepdaily weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Interval Flow | Keepdaily |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 8 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tegyaan](https://appshunter.io/developer/1711584632) | [文豪 张](https://appshunter.io/developer/6786149342) |

## 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 |


### Keepdaily

[App page](https://appshunter.io/ios/app/keepdaily/id6788766063)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $9.99 | per year |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is Interval Flow free?

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

### Is Keepdaily free?

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

### Do Interval Flow or Keepdaily have ads?

Neither Interval Flow nor Keepdaily shows ads.

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

Interval Flow ships an update every 2 weeks, and Keepdaily weekly. Most recently, Interval Flow was updated on October 27, 2026 and Keepdaily on October 25, 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.*