Comparison

AcoustiCalc vs Postage Stamp Camera

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

Head to head
About

AcoustiCalc

Features
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AcoustiCalc is the ultimate toolkit designed for architects, engineering firms, and acousticians. Instantly calculate the reverberation time (RT60) via Sabine's Formula or estimate the sound insulation of walls using the Mass Law. Premium B2B Features: - Predictive acoustic modeling with interactive graphs. - Expert local database: 300+ materials with Alpha absorption coefficients (125Hz-4kHz) certified ISO 354. - White Label PDF Report Generator for direct client delivery. - Integrated Live SPL Meter. - Metric and Imperial system support. 100% Offline. Zero Cloud. Compliance and industrial secrecy guaranteed. Legal Disclaimer: Simulations are predictive and do not replace certified in-situ measurements.

About

Postage Stamp Camera

Transform photos and videos into unique postage stamps with authentic perforated edges. Create a personal collection, add captions, and organize memories in various visual layouts. This app offers a private, offline-first experience for journaling your moments.

Highlights
  • Create stamps from camera, photos, and video frames
  • Authentic perforated and serrated stamp edges
  • Classic and full-bleed stamp styles
  • Add titles, captions, and postmark dates
  • Calendar, Cards, and Gravity collection views
  • Save and share stamps as images
  • Private, offline-first experience
Features
Read full description

StampOut transforms camera captures, favorite photos, and video moments into beautifully crafted postage stamps with authentic perforated edges. More than a stamp camera or photo filter, it’s a playful way to frame your memories, build a personal collection, and turn everyday moments into keepsakes. CAPTURE MOMENTS AS STAMPS Frame your shot using StampOut’s movable, resizable stamp viewfinder, then press to capture. Each photo becomes a collectible postal-style stamp with crisp serrated edges. Already captured the perfect moment? Import a photo from your library or choose a frame from a video. Pan, zoom, and position the image until every detail fits inside your stamp. MAKE IT YOURS Choose the stamp style that suits your collection: Classic stamps with a paper border, postmark date, and optional caption Full-bleed stamps with perforations cut directly into the photo Add titles and captions to remember the story behind each moment Save stamps to your photo library or share them anywhere BUILD A VISUAL PHOTO JOURNAL StampOut turns your collection into a personal memory journal. Browse your stamps by date in Calendar view, explore them in a clean Cards layout, or watch them fall and stack in the playful Gravity view. Tilt your device and see your stamp collection tumble in a way that makes every memory feel like a physical keepsake. WHY STAMPOUT Interactive stamp camera with a movable viewfinder Authentic perforated and serrated stamp edges Create stamps from camera captures, photos, and video frames Classic and full-bleed stamp styles Optional captions and postmark dates Calendar view for revisiting memories by day Cards view for browsing your complete collection Gravity view with stamps that tumble and stack Save and share your stamps as images Private, offline-first experience No account or cloud photo uploads required Whether you’re documenting everyday life, collecting travel memories, creating a visual diary, or giving your photos a nostalgic vintage look, StampOut turns ordinary moments into stamps worth keeping. Download StampOut and start building your personal stamp collection today. An active subscription is required to use the app. Subscription pricing and terms are displayed before purchase. terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ privacy policy: https://ai-models-zeta.vercel.app/stampout/privacy

Screenshots

AcoustiCalc4 screens
Postage Stamp Camera4 screens

Verdict

The call

The clearest difference is price: Postage Stamp Camera at Free against AcoustiCalc's $3.99. AcoustiCalc's advantage is in-app purchases (none vs 5) and update cadence (daily vs every 2 months). On ads, 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

Postage Stamp Camera is free to download; AcoustiCalc costs $3.99 up front. Postage Stamp Camera sells 5 in-app purchases, starting at $4.99 per 7 days. AcoustiCalc asks for nothing beyond the download.

UpkeepUpdate frequency

AcoustiCalc ships an update daily, Postage Stamp Camera every 2 months. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
AcoustiCalc versus Postage Stamp Camera: the parameters behind the verdict, then further details
ParameterAcoustiCalcPostage Stamp Camera
Price$3.99Free — better
Rating—4.0 (15 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—15 — better
Update frequencyDaily — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad — betteriPhone
Requires iOS1716.4 — better
Further details — not scored
Size43 MB125 MB
Age rating4+4+
DeveloperTRIMECH DhakerEssam Harous

In-app purchases

None

AcoustiCalc

No in-app purchases

5 purchases

Postage Stamp Camera

Subscriptions2
  • StampOut Weekly$4.997 Days
  • StampOut yearly$39.991 Year
One-time3
  • 100 coins$9.99
  • 200coins$14.99
  • stampout lifetime$49.99

Questions

Is AcoustiCalc free?
AcoustiCalc costs $3.99, with no in-app purchases.
Is Postage Stamp Camera free?
Postage Stamp Camera is free to download, with in-app purchases available.
Do AcoustiCalc or Postage Stamp Camera have ads?
Neither AcoustiCalc nor Postage Stamp Camera shows ads.
Which is updated more often, AcoustiCalc or Postage Stamp Camera?
AcoustiCalc ships an update daily, and Postage Stamp Camera every 2 months. Most recently, AcoustiCalc was updated on November 5, 2026 and Postage Stamp Camera on November 6, 2026.

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