# AI Sound Effect Generator vs Ninja AI

The clearest difference is review sentiment: Ninja AI at 56% against AI Sound Effect Generator's 0%. Ninja AI also leads on rating (4.0 vs 2.3) and ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. AI Sound Effect Generator sells 2 in-app purchases, starting at $5.99 per 7 days and Ninja AI sells 7 in-app purchases, starting at $5.00 per month. Whichever you choose, the download price is not the number that matters.

Ninja AI holds the better App Store score, 4.0 against 2.3. That said, the two scores are not equally well evidenced: Ninja AI has 52 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of AI Sound Effect Generator's written reviews are positive against 56% of Ninja AI's.

AI Sound Effect Generator ships an update monthly, Ninja AI fortnightly. The most recent releases landed on June 2, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | AI Sound Effect Generator | Ninja AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/ai-sound-effect-generator/id6503355463/reviews) | **[4.0 (52 ratings)](https://appshunter.io/ios/app/ninja-ai-chat-code-and-create/id6702030312/reviews)** |
| Number of ratings | 3 | **52** |
| Positive reviews | 0.0% of reviews | **56.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 61 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Yothin Samrandee](https://appshunter.io/developer/455723584) | [Ninjatech AI, Inc](https://appshunter.io/developer/1769664088) |

## What reviewers say

### AI Sound Effect Generator

[App page](https://appshunter.io/ios/app/ai-sound-effect-generator/id6503355463)

Transform text into unique sound effects using AI. Describe your desired sound, preview it, and download your creation. Offers a free tier with options to upgrade for more generations.

**Highlights:** AI-generated sound effects, Text-to-sound functionality, Sound effect preview, Downloadable sound effects, Upgrade for more generations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Effects Generator Weekly | $5.99 | per 7 days |
| Sound Effect Generator Monthly | $14.99 | per month |


### Ninja AI

[App page](https://appshunter.io/ios/app/ninja-ai-chat-code-and-create/id6702030312)

This AI assistant offers a dual experience with a chat agent for everyday tasks and an autonomous agent for complex projects. It supports numerous premium AI models for tasks like coding, content creation, research, and website building, boasting high-speed performance.

**Highlights:** Dual AI experience (Chat & Autonomous Agent), Supports 40+ premium AI models, Autonomous project execution on its own computer, Blazing fast performance (up to 3000 tokens/sec), Website building and deployment, Content creation (text, images, video, podcasts), Code generation and debugging, File analysis and research

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $5.00 | per month |
| Pro | $10.00 | per month |
| Ultra | $15.00 | per month |
| SuperNinja Standard | $19.00 | per month |
| SuperNinja Pro | $29.00 | per month |
| SuperNinja Ultra | $49.00 | per month |
| SuperNinja Max | $149.00 | per month |

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Smooth and user-friendly UI
- 💡 Powerful research and analysis capabilities
- 🚀 Sleek and responsive
- 👍 Integrated interface

**What reviewers complain about**

- 💰 Pay-to-use model for advanced features
- 🗑️ Inability to delete old chats

**Reported bugs**

- Crashes and freezes reported
- Compatibility issues with older devices

**Requested features**

- Implement delete option for chat history
- Add Chinese language support


## Frequently asked questions

### Is AI Sound Effect Generator free?

AI Sound Effect Generator is free to download, with in-app purchases available.

### Is Ninja AI free?

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

### Which has better reviews, AI Sound Effect Generator or Ninja AI?

Ninja AI is rated higher. AI Sound Effect Generator averages 2.3 out of 5 from 3 ratings, while Ninja AI averages 4.0 from 52 ratings.

### Do AI Sound Effect Generator or Ninja AI have ads?

AI Sound Effect Generator shows ads; Ninja AI does not.

### Which is updated more often, AI Sound Effect Generator or Ninja AI?

AI Sound Effect Generator ships an update monthly, and Ninja AI fortnightly. Most recently, AI Sound Effect Generator was updated on June 2, 2026 and Ninja AI on September 8, 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.*