# Underlayer vs Needl Encrypt

The clearest difference is ads: Needl Encrypt at none against Underlayer's shown. Needl Encrypt also leads on update cadence (every 2 weeks vs every 5 months). Underlayer's advantage is iOS requirement (15.1 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Underlayer sells 1 in-app purchase, starting at $2.99 per 7 days and Needl Encrypt sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Underlayer ships an update every 5 months, Needl Encrypt every 2 weeks. The most recent releases landed on September 12, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Underlayer | Needl Encrypt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/needl-encrypt/id6753882509/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 169 MB | 3 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mihail Rukavishnikov](https://appshunter.io/developer/1648782212) | [Jessie Wise](https://appshunter.io/developer/1845467509) |

## What reviewers say

### 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 |


### Needl Encrypt

[App page](https://appshunter.io/ios/app/needl-encrypt/id6753882509)

Securely hide text, passwords, and files within images using advanced encryption and steganography. This app offers a built-in password manager for easy storage and retrieval, with quick copy-to-clipboard functionality for seamless logins.

**Highlights:** Data encryption, Image steganography, Password manager, Quick password copy, File storage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Needl PRO - Monthly | $0.99 | per month |
| Needl PRO - Annual | $5.99 | per year |


## Frequently asked questions

### Is Underlayer free?

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

### Is Needl Encrypt free?

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

### Do Underlayer or Needl Encrypt have ads?

Underlayer shows ads; Needl Encrypt does not.

### Which is updated more often, Underlayer or Needl Encrypt?

Underlayer ships an update every 5 months, and Needl Encrypt every 2 weeks. Most recently, Underlayer was updated on September 12, 2026 and Needl Encrypt on August 14, 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.*