# Intelligent Star vs SIPHER

The clearest difference is rating: SIPHER at 5.0 against Intelligent Star's 3.0. SIPHER also leads on update cadence (every 2 weeks vs every 7 months) and ratings volume (7 vs 2). Intelligent Star's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SIPHER sells 6 in-app purchases, starting at $5.99 per 7 days. Intelligent Star asks for nothing beyond the download.

SIPHER holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

Intelligent Star ships an update every 7 months, SIPHER every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Intelligent Star | SIPHER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/intelligent-star/id6478952843/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sipher-invisible-messages/id6779144914/reviews)** |
| Number of ratings | 2 | **7** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 89 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [涛 宋](https://appshunter.io/developer/1734265119) | [YM Labs (FZC)](https://appshunter.io/developer/6778821381) |

## What reviewers say

### Intelligent Star

[App page](https://appshunter.io/ios/app/intelligent-star/id6478952843)

Monitor and control smart aquarium hardware from your smartphone. This platform allows for simple setup and quick simulation of realistic ocean tides, currently supporting wave-making and pump products.

**Highlights:** Monitor smart aquarium hardware, Control smart aquarium hardware, Simulate ocean tides, Quick setup, Supports wave-making products, Supports pump products

**In-app purchases:** none


### SIPHER

[App page](https://appshunter.io/ios/app/sipher-invisible-messages/id6779144914)

This app allows you to create discreet conversations that appear normal on the surface, protecting your private messages. It generates realistic chat threads from a customizable keyboard, ensuring your privacy is maintained even when others are looking.

**Highlights:** Create cover conversations, Generate realistic chat threads, Discreet messaging from keyboard, Customizable cover topics, Privacy protection, Pro subscription for enhanced features

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sipher Weekly | $5.99 | per 7 days |
| Sipher Premium Weekly | $6.99 | per 7 days |
| Sipher Yearly Offer | $29.99 | per year |
| Sipher Yearly Trial | $29.99 | per year |
| Sipher Premium Yearly | $69.99 | per year |
| Sipher Yearly | $99.99 | per year |


## Frequently asked questions

### Is Intelligent Star free?

Intelligent Star is free to download, with no in-app purchases.

### Is SIPHER free?

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

### Which has better reviews, Intelligent Star or SIPHER?

SIPHER is rated higher. Intelligent Star averages 3.0 out of 5 from 2 ratings, while SIPHER averages 5.0 from 7 ratings.

### Do Intelligent Star or SIPHER have ads?

Neither Intelligent Star nor SIPHER shows ads.

### Which is updated more often, Intelligent Star or SIPHER?

Intelligent Star ships an update every 7 months, and SIPHER every 2 weeks. Most recently, Intelligent Star was updated on October 24, 2026 and SIPHER on October 28, 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.*