# Underlayer vs umcode

The clearest difference is in-app purchases: umcode at none against Underlayer's 1. umcode also leads on ads (none vs shown) and update cadence (fortnightly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Underlayer sells 1 in-app purchase, starting at $2.99 per 7 days. umcode asks for nothing beyond the download.

Underlayer ships an update monthly, umcode fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Underlayer | umcode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Size | 179 MB | 241 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mihail Rukavishnikov](https://appshunter.io/developer/1648782212) | [深圳市悠悠汇网络科技有限公司](https://appshunter.io/developer/1698967002) |

## What reviewers say

### Underlayer

[App page](https://appshunter.io/ios/app/underlayer-hide-text-in-photo/id6753363956)

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

**In-app purchases (1)**

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


### umcode

[App page](https://appshunter.io/ios/app/umcode/id6772873985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Underlayer free?

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

### Is umcode free?

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

### Do Underlayer or umcode have ads?

Underlayer shows ads; umcode does not.

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

Underlayer ships an update monthly, and umcode fortnightly. Most recently, Underlayer was updated on October 30, 2026 and umcode on October 31, 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.*