# Sleepless Browser vs にゃんカロ

The clearest difference is in-app purchases: にゃんカロ at none against Sleepless Browser's 2. にゃんカロ also leads on update cadence (every 10 days vs every 2 months). Sleepless Browser's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sleepless Browser sells 2 one-off in-app purchases. にゃんカロ asks for nothing beyond the download.

Sleepless Browser ships an update every 2 months, にゃんカロ every 10 days. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sleepless Browser | にゃんカロ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/sleepless-browser/id555875750/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ITO SOFT DESIGN Inc.](https://appshunter.io/developer/311313017) | [Yuma Tsuri](https://appshunter.io/developer/1687652610) |

## What reviewers say

### Sleepless Browser

[App page](https://appshunter.io/ios/app/sleepless-browser/id555875750)

This browser prevents your device from sleeping while you browse, ideal for recipes, videos, or real-time content. It also features a screen lock to prevent accidental touches, perfect for keeping children engaged with media.

**Highlights:** Prevents automatic screen sleep, Screen lock feature, Disables touch screen input, Ideal for recipes and videos, Useful for real-time content

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide the Ad. For early adopter | Free | one-time |
| Hide the Ad | $1.99 | one-time |


### にゃんカロ

[App page](https://appshunter.io/ios/app/id6797187727)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleepless Browser free?

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

### Is にゃんカロ free?

にゃんカロ is free to download, with no in-app purchases.

### Do Sleepless Browser or にゃんカロ have ads?

にゃんカロ shows ads; Sleepless Browser does not.

### Which is updated more often, Sleepless Browser or にゃんカロ?

Sleepless Browser ships an update every 2 months, and にゃんカロ every 10 days. Most recently, Sleepless Browser was updated on October 23, 2026 and にゃんカロ on October 9, 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.*