# DeTech vs ねむりん

The clearest difference is in-app purchases: DeTech at none against ねむりん's 2. DeTech also leads on ads (none vs shown) and iOS requirement (17.6 vs 26.4). On price, update cadence and device support there is nothing between them.

Both are free to download. ねむりん sells 2 in-app purchases, starting at $1.99 per month. DeTech asks for nothing beyond the download.

DeTech ships an update fortnightly, ねむりん every 11 days. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | DeTech | ねむりん |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/detech/id6747012328/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free | — |
| Size | 24 MB | 8 MB |
| Requires iOS | **17.6** | 26.4 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社SANVIA](https://appshunter.io/developer/1896076406) | [shota hosono](https://appshunter.io/developer/1889903594) |

## What reviewers say

### DeTech

[App page](https://appshunter.io/ios/app/detech/id6747012328)

This app helps users create focused time by blocking smartphone access. It requires a compatible iPhone and a separate purchase of a dedicated device and card to prevent easy unlocking, supporting users in their efforts to concentrate.

**Highlights:** Block smartphone access with a long press, Requires dedicated device and card for unlocking, Automatic restriction of apps and functions, Promotes focus and concentration, Supports habit formation for dedicated time

**Features:** macOS Compatibility

**In-app purchases:** none


### ねむりん

[App page](https://appshunter.io/ios/app/id6762094393)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ねむりん プレミアム 月額 | $1.99 | per month |
| ねむりん プレミアム 年額 | $14.99 | per year |


## Frequently asked questions

### Is DeTech free?

DeTech is free to download, with no in-app purchases.

### Is ねむりん free?

ねむりん is free to download, with in-app purchases available.

### Do DeTech or ねむりん have ads?

ねむりん shows ads; DeTech does not.

### Which is updated more often, DeTech or ねむりん?

DeTech ships an update fortnightly, and ねむりん every 11 days. Most recently, DeTech was updated on September 17, 2026 and ねむりん on September 11, 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.*