# AIZero vs Development Dollar

The clearest difference is in-app purchases: Development Dollar at none against AIZero's 3. Development Dollar also leads on update cadence (every 8 days vs every 2 months). AIZero's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. AIZero sells 3 in-app purchases, starting at $4.99 per month. Development Dollar asks for nothing beyond the download.

AIZero ships an update every 2 months, Development Dollar every 8 days. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AIZero | Development Dollar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (329 ratings)](https://appshunter.io/ios/app/aizero-ai-detector/id6458737664/reviews)** | — |
| Number of ratings | **329** | — |
| Positive reviews | 5.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 58 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BRIDGES HULL LTD](https://appshunter.io/developer/1701404454) | [Tadiwa Matewe](https://appshunter.io/developer/1847373660) |

## What reviewers say

### AIZero

[App page](https://appshunter.io/ios/app/aizero-ai-detector/id6458737664)

This app uses advanced AI to detect if text was written by a human or an AI model. It analyzes content at sentence, paragraph, and document levels for high accuracy, especially for English prose. Ideal for academic integrity and verifying text authenticity.

**Highlights:** AI-generated content detection, Human-written text verification, Sentence, paragraph, and document level analysis, High accuracy for English prose, Academic essay detection, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Weekly | $8.99 | per 7 days |
| Premium Yearly | $39.99 | per year |

**What reviewers complain about**

- ❌ App stopped working
- ❌ No customer support response
- ❌ Refund not issued
- ❌ Outdated version issues
- ❌ Unable to find upgraded version

**Reported bugs**

- App suddenly stopped working
- App stopped working because the version was outdated
- Kept on giving an error message after payment
- App stoped working! It says that is not updated but there’s not an update!
- Error message that I’m using the wrong version

**Requested features**

- Immediate App Store availability
- One-off payment option
- Unrestricted trial for X days
- Allow unrestricted access to ChatGPT zero website


### Development Dollar

[App page](https://appshunter.io/ios/app/development-dollar/id6754248710)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AIZero free?

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

### Is Development Dollar free?

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

### Do AIZero or Development Dollar have ads?

Neither AIZero nor Development Dollar shows ads.

### Which is updated more often, AIZero or Development Dollar?

AIZero ships an update every 2 months, and Development Dollar every 8 days. Most recently, AIZero was updated on October 25, 2026 and Development Dollar on October 4, 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.*