# Ninja AI vs Sentry Installer

The clearest difference is in-app purchases: Sentry Installer at none against Ninja AI's 7. Ninja AI's advantage is update cadence (fortnightly vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ninja AI sells 7 in-app purchases, starting at $5.00 per month. Sentry Installer asks for nothing beyond the download.

Ninja AI ships an update fortnightly, Sentry Installer every 16 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Ninja AI | Sentry Installer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (52 ratings)](https://appshunter.io/ios/app/ninja-ai-chat-code-and-create/id6702030312/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 54.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 16 months |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 23 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ninjatech AI, Inc](https://appshunter.io/developer/1769664088) | [Municipal Parking Services](https://appshunter.io/developer/919616529) |

## What reviewers say

### 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


### Sentry Installer

[App page](https://appshunter.io/ios/app/sentry-installer/id6744123420)

**In-app purchases:** none


## Frequently asked questions

### Is Ninja AI free?

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

### Is Sentry Installer free?

Sentry Installer is free to download, with no in-app purchases.

### Do Ninja AI or Sentry Installer have ads?

Neither Ninja AI nor Sentry Installer shows ads.

### Which is updated more often, Ninja AI or Sentry Installer?

Ninja AI ships an update fortnightly, and Sentry Installer every 16 months. Most recently, Ninja AI was updated on October 7, 2026 and Sentry Installer on October 3, 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.*