# GPTZero vs One Inheritance

The clearest difference is in-app purchases: One Inheritance at none against GPTZero's 5. GPTZero's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GPTZero sells 5 in-app purchases, starting at $7.99 per month. One Inheritance asks for nothing beyond the download.

GPTZero ships an update weekly, One Inheritance every 2 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GPTZero | One Inheritance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (93 ratings)](https://appshunter.io/ios/app/gptzero-ai-detector-humanizer/id6754876362/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 58 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Appzone Dijital Hizmetler Anonim Sirketi](https://appshunter.io/developer/1844869089) | [Shubham Paliwal](https://appshunter.io/developer/1884185636) |

## What reviewers say

### GPTZero

[App page](https://appshunter.io/ios/app/gptzero-ai-detector-humanizer/id6754876362)

This tool analyzes text, images, videos, and audio to determine if content was created by AI or a human. It provides detailed breakdowns of detection results and includes a plagiarism checker for authenticity. An AI humanizer feature also helps transform AI-generated text into natural language.

**Highlights:** AI content detection for text, images, video, and audio, Detailed analysis of AI detection scores, AI Humanizer to naturalize AI-generated text, Plagiarism checker for content authenticity, Clear AI percentage scoring system, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Detector Monthly Pro | $7.99 | per month |
| AI Detector Weekly Trial | $9.99 | per 7 days |
| AI Detector Monthly Premier | $14.99 | per month |
| AI Detector Yearly Pro | $24.99 | per year |
| AI Detector Yearly Premier | $29.99 | per year |


### One Inheritance

[App page](https://appshunter.io/ios/app/one-inheritance/id6760375093)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPTZero free?

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

### Is One Inheritance free?

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

### Do GPTZero or One Inheritance have ads?

Neither GPTZero nor One Inheritance shows ads.

### Which is updated more often, GPTZero or One Inheritance?

GPTZero ships an update weekly, and One Inheritance every 2 months. Most recently, GPTZero was updated on October 17, 2026 and One Inheritance on October 7, 2026.

---

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