# JHP byNSDev vs Focus Timer & Detox

The clearest difference is in-app purchases: JHP byNSDev at none against Focus Timer & Detox's 2. JHP byNSDev also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.6). Focus Timer & Detox's advantage is update cadence (every 2 days vs every 7 months). On price and ads there is nothing between them.

Both are free to download. Focus Timer & Detox sells 2 in-app purchases, starting at $2.99 per month. JHP byNSDev asks for nothing beyond the download.

JHP byNSDev ships an update every 7 months, Focus Timer & Detox every 2 days. The most recent releases landed on September 16, 2026 and June 12, 2026 respectively.

## The numbers

| Metric | JHP byNSDev | Focus Timer & Detox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 26 MB | 3 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [PIN STUDIO](https://appshunter.io/developer/1883228987) |

## What reviewers say

### JHP byNSDev

[App page](https://appshunter.io/ios/app/jhp-bynsdev/id1244732477)

**Features:** macOS Compatibility

**In-app purchases:** none


### Focus Timer & Detox

[App page](https://appshunter.io/ios/app/focus-timer-and-detox-ghosty/id6760209867)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ghosty Pro Monthly | $2.99 | per month |
| Ghosty Pro yearly | $19.99 | per year |


## Frequently asked questions

### Is JHP byNSDev free?

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

### Is Focus Timer & Detox free?

Focus Timer & Detox is free to download, with in-app purchases available.

### Do JHP byNSDev or Focus Timer & Detox have ads?

Neither JHP byNSDev nor Focus Timer & Detox shows ads.

### Which is updated more often, JHP byNSDev or Focus Timer & Detox?

JHP byNSDev ships an update every 7 months, and Focus Timer & Detox every 2 days. Most recently, JHP byNSDev was updated on September 16, 2026 and Focus Timer & Detox on June 12, 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.*