# AcoustiCalc vs Postage Stamp Camera

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.

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.

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.

## The numbers

| Metric | AcoustiCalc | Postage Stamp Camera |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.0 (15 ratings)](https://appshunter.io/ios/app/postage-stamp-camera-stampout/id6791968686/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | — | Subscription |
| Size | 43 MB | 125 MB |
| Requires iOS | 17 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TRIMECH Dhaker](https://appshunter.io/developer/1832697893) | [Essam Harous](https://appshunter.io/developer/1769831339) |

## What reviewers say

### AcoustiCalc

[App page](https://appshunter.io/ios/app/acousticalc/id6764106645)

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

**In-app purchases:** none


### Postage Stamp Camera

[App page](https://appshunter.io/ios/app/postage-stamp-camera-stampout/id6791968686)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StampOut Weekly | $4.99 | per 7 days |
| StampOut yearly | $39.99 | per year |
| 100 coins | $9.99 | one-time |
| 200coins | $14.99 | one-time |
| stampout lifetime | $49.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*