# Text to Speech vs Ninja AI

The clearest difference is review sentiment: Text to Speech at 100% against Ninja AI's 55%. Text to Speech also leads on rating (5.0 vs 4.0). Ninja AI's advantage is ads (none vs shown) and ratings volume (53 vs 2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Text to Speech sells 5 in-app purchases, starting at $4.99 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.

Text to Speech holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Ninja AI has 53 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Text to Speech's written reviews are positive against 55% of Ninja AI's.

Text to Speech ships an update every 3 weeks, Ninja AI fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Text to Speech | Ninja AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/text-to-speech-voiceflow-ai/id6596727811/reviews)** | [4.0 (53 ratings)](https://appshunter.io/ios/app/ninja-ai-chat-code-and-create/id6702030312/reviews) |
| Number of ratings | 2 | **53** |
| Positive reviews | **100.0% of reviews** | 54.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 61 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Emre Acanal](https://appshunter.io/developer/1751749662) | [Ninjatech AI, Inc](https://appshunter.io/developer/1769664088) |

## What reviewers say

### Text to Speech

[App page](https://appshunter.io/ios/app/text-to-speech-voiceflow-ai/id6596727811)

Transform text into lifelike speech with realistic emotion, dialogue, and over 100 studio voices. This app also offers speech-to-text, document reading, voice isolation, and sound effect generation.

**Highlights:** Realistic speech with emotion tags, Multi-voice dialogue creation, 100+ studio voices in 30+ languages, Document reader for PDFs and scanned pages, Speech-to-text with speaker labeling, AI-powered voice isolation and sound effects, Built-in AI for brainstorming and scriptwriting

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |
| Small Token Pack | $3.99 | one-time |
| Medium Token Pack | $7.99 | one-time |
| Large Token Pack | $11.99 | one-time |


### 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 Text to Speech free?

Text to Speech 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, Text to Speech or Ninja AI?

Text to Speech is rated higher. Text to Speech averages 5.0 out of 5 from 2 ratings, while Ninja AI averages 4.0 from 53 ratings.

### Do Text to Speech or Ninja AI have ads?

Text to Speech shows ads; Ninja AI does not.

### Which is updated more often, Text to Speech or Ninja AI?

Text to Speech ships an update every 3 weeks, and Ninja AI fortnightly. Most recently, Text to Speech was updated on November 4, 2026 and Ninja AI on October 30, 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.*