# Cat Flow vs DIDU

The clearest difference is update cadence: Cat Flow at fortnightly against DIDU's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cat Flow sells 13 in-app purchases, starting at $1.99 per month and DIDU sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Cat Flow ships an update fortnightly, DIDU every 3 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Cat Flow | DIDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/cat-flow-kitty-focus-timer/id6702013134/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 31 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nicole Cat](https://appshunter.io/developer/1715438272) | [Isac Yaniv Benarroch](https://appshunter.io/developer/1558723964) |

## What reviewers say

### Cat Flow

[App page](https://appshunter.io/ios/app/cat-flow-kitty-focus-timer/id6702013134)

This app uses a cat-themed interface to help users improve focus and build disciplined habits. It offers a companion-style focus mode where virtual cats protect your time, and immersive scenified spaces for concentration. Detailed data review helps track progress and unlock new cats and scenes.

**Highlights:** Companion-style focus with virtual cats, Scenified spaces for immersive focus, Customizable times, scenes, and themes, Multidimensional focus data review, Unlockable cats and scenes, Gravity sensor for focus session triggers

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $11.99 | per year |
| Bella | $0.99 | one-time |
| Gizmo | $0.99 | one-time |
| Toby | $0.99 | one-time |
| Simba | $1.99 | one-time |
| Lucky | $1.99 | one-time |
| Coco | $1.99 | one-time |
| Loki | $1.99 | one-time |
| Forest | $2.99 | one-time |
| Sky | $2.99 | one-time |
| Moonnight | $2.99 | one-time |
| Jingle | $2.99 | one-time |


### DIDU

[App page](https://appshunter.io/ios/app/didu-habit-and-task-tracker/id6777048908)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DIDU Pro (Monthly) | $4.99 | per month |
| DIDU Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Cat Flow free?

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

### Is DIDU free?

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

### Do Cat Flow or DIDU have ads?

Neither Cat Flow nor DIDU shows ads.

### Which is updated more often, Cat Flow or DIDU?

Cat Flow ships an update fortnightly, and DIDU every 3 months. Most recently, Cat Flow was updated on October 10, 2026 and DIDU on October 5, 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.*