# Cat Flow vs FailFast

The clearest difference is price: Cat Flow at Free against FailFast's $2.99. FailFast's advantage is in-app purchases (none vs 13) and update cadence (weekly vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

Cat Flow is free to download; FailFast costs $2.99 up front. Cat Flow sells 13 in-app purchases, starting at $1.99 per month. FailFast asks for nothing beyond the download.

Cat Flow ships an update fortnightly, FailFast weekly. Both last shipped on October 10, 2026.

## The numbers

| Metric | Cat Flow | FailFast |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 33 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Nicole Cat](https://appshunter.io/developer/1715438272) | [Nitish Mantri](https://appshunter.io/developer/1835055623) |

## 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 |


### FailFast

[App page](https://appshunter.io/ios/app/failfast-growth-mindset/id6751429060)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cat Flow free?

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

### Is FailFast free?

FailFast costs $2.99, with no in-app purchases.

### Do Cat Flow or FailFast have ads?

Neither Cat Flow nor FailFast shows ads.

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

Cat Flow ships an update fortnightly, and FailFast weekly. Most recently, Cat Flow was updated on October 10, 2026 and FailFast on October 10, 2026.

---

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