# Stego vs Underlayer

The clearest difference is update cadence: Stego at every 2 months against Underlayer's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stego sells 2 in-app purchases, starting at $2.99 per month and Underlayer sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stego ships an update every 2 months, Underlayer every 5 months. The most recent releases landed on August 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Stego | Underlayer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 51 MB | 169 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Japality Limited](https://appshunter.io/developer/1574046707) | [Mihail Rukavishnikov](https://appshunter.io/developer/1648782212) |

## What reviewers say

### Stego

[App page](https://appshunter.io/ios/app/stego/id6752862926)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stego Pro (Monthly) | $2.99 | per month |
| Stego Pro (Yearly) | $14.99 | per year |


### Underlayer

[App page](https://appshunter.io/ios/app/underlayer/id6753363956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per 7 days |


## Frequently asked questions

### Is Stego free?

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

### Is Underlayer free?

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

### Do Stego or Underlayer have ads?

Both Stego and Underlayer show ads.

### Which is updated more often, Stego or Underlayer?

Stego ships an update every 2 months, and Underlayer every 5 months. Most recently, Stego was updated on August 11, 2026 and Underlayer on September 12, 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.*