# PuppySight vs Nitra

The clearest difference is update cadence: PuppySight at every 4 days against Nitra's every 11 days. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. PuppySight sells 1 one-off in-app purchase and Nitra sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PuppySight against 5.0 for Nitra. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

PuppySight ships an update every 4 days, Nitra every 11 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PuppySight | Nitra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/puppysight/id6800218221/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/nitra-hdr-editor/id6806260790/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 15 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [健 黄](https://appshunter.io/developer/1716262021) | [峥 王](https://appshunter.io/developer/6774198730) |

## What reviewers say

### PuppySight

[App page](https://appshunter.io/ios/app/puppysight/id6800218221)

Explore how dogs and cats see the world with this app that simulates animal vision. It uses scientific research to show differences in color, brightness, and field of view. Capture photos and videos or convert existing ones to compare perspectives.

**Highlights:** Simulates dog and cat vision, Color, brightness, and field of view simulation, Switch between Dog and Cat View, Capture photos and record videos, Convert existing media, On-device processing for privacy, Multi-language support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PuppySight Pro | $3.99 | one-time |


### 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 |


## Frequently asked questions

### Is PuppySight free?

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

### Is Nitra free?

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

### Which has better reviews, PuppySight or Nitra?

PuppySight and Nitra are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do PuppySight or Nitra have ads?

Neither PuppySight nor Nitra shows ads.

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

PuppySight ships an update every 4 days, and Nitra every 11 days. Most recently, PuppySight was updated on October 16, 2026 and Nitra on October 10, 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.*