# NAIA vs Underlayer

The clearest difference is in-app purchases: NAIA at none against Underlayer's 1. NAIA also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price 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. NAIA asks for nothing beyond the download.

NAIA ships an update every 4 days, Underlayer every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | NAIA | Underlayer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/naia/id1645861295/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free | — |
| Size | 28 MB | 180 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SINAR INISIYATIF TEKNOLOJI TURIZM TICARET ITHALAT VE IHRACAT LIMITED SIRKETI](https://appshunter.io/developer/1519086172) | [Mihail Rukavishnikov](https://appshunter.io/developer/1648782212) |

## What reviewers say

### NAIA

[App page](https://appshunter.io/ios/app/naia/id1645861295)

Generate custom images using artificial intelligence. Describe your desired photo with detailed explanations, and the AI will create it for you in seconds.

**Highlights:** AI image generation, Detailed photo descriptions, Fast image creation, Customizable visuals

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

**In-app purchases:** none


### 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 NAIA free?

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

### Is Underlayer free?

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

### Do NAIA or Underlayer have ads?

Underlayer shows ads; NAIA does not.

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

NAIA ships an update every 4 days, and Underlayer every 2 months. Most recently, NAIA was updated on October 24, 2026 and Underlayer 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.*