# Phasm vs StegInsight

The clearest difference is price: Phasm at Free against StegInsight's $2.99. Phasm also leads on update cadence (every 4 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Phasm is free to download; StegInsight costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Phasm ships an update every 4 days, StegInsight fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Phasm | StegInsight |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | — | Paid |
| Size | 24 MB | 1 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [Christoph Gaffga](https://appshunter.io/developer/1019565953) | [Hangzhou Lake Snow Technology Co., Ltd.](https://appshunter.io/developer/1439688130) |

## What reviewers say

### Phasm

[App page](https://appshunter.io/ios/app/phasm-steganography/id6759446274)

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

**In-app purchases:** none


### StegInsight

[App page](https://appshunter.io/ios/app/steginsight/id6759777643)

Analyze images for hidden text using steganography techniques. Embed or extract messages within image pixels or appended data. Visualize image layers and learn about steganographic concepts.

**Highlights:** LSB Steganography (embed/extract text), LSB Bit-Plane Visualization, Trailing Data Detection (EOF), Dual Embedding Modes (LSB/EOF), Cross-Platform (iOS, macOS), Built-in Steganography Guide

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Phasm free?

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

### Is StegInsight free?

StegInsight costs $2.99, with no in-app purchases.

### Do Phasm or StegInsight have ads?

Neither Phasm nor StegInsight shows ads.

### Which is updated more often, Phasm or StegInsight?

Phasm ships an update every 4 days, and StegInsight fortnightly. Most recently, Phasm was updated on October 24, 2026 and StegInsight on October 24, 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.*