Comparison

Nitra vs Stillus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

Stillus

Features
Read full description

Four photos, one little keepsake Stillus turns four photos into a photo strip you can make your own Take four shots with the front camera or choose four photos from your library MAKE IT YOURS • Choose Classic, Gallery or Ribbon • Adjust crops, replace photos and change their order • Add a short note and an optional date • Create, save and share your own theme files • Export a strip, Story image or Twins layout, including 3600 px output PASS IT ON Start a strip, fill some spaces and send a Stillus project file to a friend With Stillus 1.1 or later, they can add their photos and finish it Each shared file is an independent copy, not a live shared album KEEP YOUR MOMENTS Organize your local collection with folders, tags and memory dates Browse a photo timeline of days with memories Save to Photos or Files, or share through your favorite apps No signup and no developer-hosted photo storage ALL FEATURES ARE FREE No in-app purchases, subscriptions or rewarded unlocks Banner ads and a dismissible launch ad help support the app An unavailable ad never blocks editing or saving Photos are processed on your device The local collection and unfinished projects are not included in device backups Export favorites before deleting the app Internet is needed for ads and may be needed for iCloud photos Shared project files contain your selected photos, so share only with people you trust Made by a student developer Stillus commits to donating 80% of settled advertising payouts received, before personal expenses and taxes The recipient is being selected and no completed donations have been announced Giving details: https://stilus-one.vercel.app/giving.html

Screenshots

Nitra4 screens
Stillus4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Nitra versus Stillus: the parameters behind the verdict, then further details
ParameterNitraStillus
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 daysEvery 8 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS18.017.0 — better
Further details — not scored
Size32 MB22 MB
Age rating4+4+
Developer峥 王TAEWOO KWON

In-app purchases

3 purchases

Nitra

Subscriptions2
  • Nitra Pro Monthly$1.991 Month
  • Nitra Pro Yearly7 Days trial$8.991 Year
One-time1
  • Nitra Pro Lifetime$19.99
None

Stillus

No in-app purchases

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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