# Walter Writes vs NSD Detector

The clearest difference is in-app purchases: NSD Detector at none against Walter Writes's 6. NSD Detector also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Walter Writes's advantage is update cadence (fortnightly vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Walter Writes sells 6 in-app purchases, starting at $12.00 per month. NSD Detector asks for nothing beyond the download.

Walter Writes ships an update fortnightly, NSD Detector every 2 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Walter Writes | NSD Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (23 ratings)](https://appshunter.io/ios/app/walter-writes-ai-humanizer/id6757705138/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Walter IA Inc.](https://appshunter.io/developer/1868383085) | [NEURO SCAN DETECTOR LTD](https://appshunter.io/developer/1895586615) |

## What reviewers say

### Walter Writes

[App page](https://appshunter.io/ios/app/walter-writes-ai-humanizer/id6757705138)

This app transforms AI-generated text into natural, human-sounding content and detects AI writing. It offers multiple rewrite modes and supports over 80 languages, making your AI-assisted writing sound authentic.

**Highlights:** AI text humanization, AI writing detection, Multiple rewrite modes, Supports 80+ languages, History tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Plan (Monthly) | $12.00 | per month |
| Pro Plan (Monthly) | $23.00 | per month |
| Elite Monthly | $47.00 | per month |
| Starter Plan (Yearly) | $96.00 | per year |
| Pro Plan (Yearly) | $155.99 | per year |
| Elite Yearly | $314.99 | per year |


### NSD Detector

[App page](https://appshunter.io/ios/app/nsd-detector/id6763984979)

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

**In-app purchases:** none


## Frequently asked questions

### Is Walter Writes free?

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

### Is NSD Detector free?

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

### Do Walter Writes or NSD Detector have ads?

Neither Walter Writes nor NSD Detector shows ads.

### Which is updated more often, Walter Writes or NSD Detector?

Walter Writes ships an update fortnightly, and NSD Detector every 2 months. Most recently, Walter Writes was updated on October 24, 2026 and NSD Detector on October 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.*