# Nitra vs Stillus

The clearest difference is in-app purchases: Stillus at none against Nitra's 3. Nitra's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Nitra sells 3 in-app purchases, starting at $1.99 per month. Stillus asks for nothing beyond the download.

Nitra ships an update every 10 days, Stillus every 8 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Nitra | Stillus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nitra-hdr-editor/id6806260790/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 22 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [峥 王](https://appshunter.io/developer/6774198730) | [TAEWOO KWON](https://appshunter.io/developer/6811835432) |

## What reviewers say

### Nitra

[App page](https://appshunter.io/ios/app/nitra-hdr-editor/id6806260790)

Enhance your photos with advanced HDR editing. This app offers intelligent analysis for natural HDR starting points and real-time adjustments. Explore various HDR formats and bring depth to everyday shots, RAW images, and Live Photos.

**Highlights:** Intelligent HDR analysis, Real-time HDR rendering, Multiple HDR formats (HEIC, JPEG, PQ, HLG), HDR Live Photo editing, Photo editing extension, Batch export, Reversible editing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nitra Pro Monthly | $1.99 | per month |
| Nitra Pro Yearly | $8.99 | per year |
| Nitra Pro Lifetime | $19.99 | one-time |


### Stillus

[App page](https://appshunter.io/ios/app/stillus-photo-booth/id6811835430)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nitra free?

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

### Is Stillus free?

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

### Do Nitra or Stillus have ads?

Stillus shows ads; Nitra does not.

### Which is updated more often, Nitra or Stillus?

Nitra ships an update every 10 days, and Stillus every 8 days. Most recently, Nitra was updated on October 31, 2026 and Stillus on October 29, 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.*