# Cactus vs Secure AI

The clearest difference is update cadence: Secure AI at every 3 days against Cactus's weekly. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Cactus sells 2 in-app purchases, starting at $14.99 per month and Secure AI sells 5 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Cactus against 5.0 for Secure AI. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Cactus ships an update weekly, Secure AI every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Cactus | Secure AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/cactus-ai-memory-sidekick/id6748361695/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/secure-ai-super-chat/id6777806430/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 2 MB | 53 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Feidong Song](https://appshunter.io/developer/1792424713) | [Secure Artificial Intelligence, Inc.](https://appshunter.io/developer/1614078938) |

## What reviewers say

### Cactus

[App page](https://appshunter.io/ios/app/cactus-ai-memory-sidekick/id6748361695)

An AI-powered assistant designed to help you manage your day, capture ideas, and organize tasks. It offers natural language interaction, voice input, and secure cloud synchronization for seamless productivity.

**Highlights:** AI-powered assistant, Natural language interaction, Voice capture for ideas, Task organization, Schedule management, Secure cloud sync

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan. | $14.99 | per month |
| Cactus Premium Annual | $59.99 | per year |


### Secure AI

[App page](https://appshunter.io/ios/app/secure-ai-super-chat/id6777806430)

This personal AI assistant prioritizes your privacy by anonymizing your data before sending it to the AI provider. It integrates with your device's calendar, reminders, and health apps to help manage your day and provides a curated news feed.

**Highlights:** Personalized AI assistant, Privacy-focused data handling, Calendar and reminder integration, Curated news feed, Cross-device compatibility, Reporting and content moderation

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Secure AI Plus Monthly | $14.99 | per month |
| Secure AI Pro Monthly | $30.99 | per month |
| Secure AI Ultra Monthly | $107.99 | per month |
| Secure AI Plus Yearly | $143.99 | per year |
| Secure AI Pro Yearly | $294.99 | per year |


## Frequently asked questions

### Is Cactus free?

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

### Is Secure AI free?

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

### Which has better reviews, Cactus or Secure AI?

Cactus and Secure AI are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.

### Do Cactus or Secure AI have ads?

Neither Cactus nor Secure AI shows ads.

### Which is updated more often, Cactus or Secure AI?

Cactus ships an update weekly, and Secure AI every 3 days. Most recently, Cactus was updated on November 5, 2026 and Secure AI on November 5, 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.*