PuppySight vs Nitra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PuppySight
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.
- 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
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PuppySight — See the World Through Your Pet’s Eyes Did you know that red may appear more grayish-yellow to dogs, while cats may be able to see more clearly than we do in low-light conditions? Puppy Camera is inspired by scientific research on animal vision. Using algorithms based on published studies, it simulates how dogs and cats may perceive color, brightness, field of view, and visual detail. Look through the camera and discover how the world might appear from their perspective. Science-Based Vision Simulation Based on research into canine and feline vision, Puppy Camera simulates differences in color perception, low-light sensitivity, field of view, and other visual characteristics. Switch between Dog View and Cat View with a single tap and experience a different way of seeing the world in real time. Photos, Videos & Library Conversion Preview the effect through the camera in real time, take photos, and record videos directly in the app. You can also import photos and videos from your photo library and convert them to easily compare Human View vs. Pet View. Private, On-Device Processing All photos and videos are processed entirely on your device. Nothing is uploaded to the cloud, no personal data is collected, and no account is required. The app also works offline, helping protect the privacy of both you and your pets. Available in Multiple Languages The interface supports Simplified Chinese, Traditional Chinese, English, Japanese, Korean, and Spanish, making it easy for pet lovers around the world to use. Perfect For • Dog and cat owners Curious about how your pet may see your home, you, and the world around them. • Animal lovers and educational content creators Create clear and engaging comparisons of human and animal vision. • Curious minds Capture everyday moments from an entirely new perspective. Download Puppy Camera and explore the world from a new point of view together with your pets. Between blue and yellow, there may be a whole world you have never noticed before. Note: Vision can vary between breeds and individual animals. This app provides a simulation based on scientific research and is intended for educational and entertainment purposes.
Nitra
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.
- 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
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Bring More Depth to Light. Nitra is an HDR photo editor designed to bring brighter, richer light to your photos. From everyday photos and RAW images to Live Photos, Nitra gives you an intuitive way to create, refine, and rediscover your photos in HDR. Select a photo and Nitra automatically analyzes the image to create a natural HDR starting point. Every adjustment is rendered in real time, so you can shape the light and see the result instantly. INTELLIGENT HDR EDITING • Automatically analyzes each photo for a natural HDR starting point • Edit photos and RAW images with real-time HDR rendering • Fine-tune light and highlights with intuitive controls • Explore HDR Styles for different looks and moods MULTIPLE HDR FORMATS Choose the HDR format that best fits your device or workflow: • Adaptive HDR (HEIC) — optimized for the Apple ecosystem • Legacy HDR (JPEG) — better compatibility with social platforms • Ultra HDR (JPEG) — ISO-standard Gain Map HDR • PQ and HLG — single-layer HDR for professional workflows Adaptive HDR, Legacy HDR, and Ultra HDR are available for free. HDR LIVE PHOTOS Bring HDR light and depth to your Live Photos. Nitra can enhance the still image in HDR, while Nitra Pro extends HDR processing to the motion as well for a complete HDR Live Photo experience. BUILT INTO YOUR PHOTO WORKFLOW • Edit directly from the Photos app with the Nitra photo editing extension • Send photos to Nitra quickly with the action extension • Preserve adjustment information for reversible editing • Edit multiple photos and apply shared adjustments • Batch export multiple photos REVISIT YOUR PHOTOS Some photos deserve to be seen again. Revisit brings photos you've edited with Nitra back into an immersive HDR viewing experience. Browse at your own pace or let your photos flow automatically, and rediscover the light and moments you've captured. NITRA PRO Upgrade to Nitra Pro to unlock: • Full HDR Live Photos with HDR motion • Higher-quality HDR exports • Unlimited multi-photo editing and batch export • Professional HDR tools, including PQ, HLG, and the HDR histogram • Exports without the Nitra watermark PRIVACY FIRST Nitra requires no account. Photo analysis, RAW processing, HDR rendering, and exporting are performed entirely on your device. Your photos are never uploaded to a server. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getnitra.app/privacy
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PuppySight | Nitra |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 days — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 15 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | 健 黄 | 峥 王 |
Customer experience
PuppySight
Nitra
In-app purchases
PuppySight
- PuppySight Pro$3.99
Nitra
- Nitra Pro Monthly$1.991 Month
- Nitra Pro Yearly7 Days trial$8.991 Year
- Nitra Pro Lifetime$19.99








