# Sizy App vs Decks 3D

The clearest difference is rating: Sizy App at 5.0 against Decks 3D's 1.0. Sizy App also leads on iOS requirement (14.0 vs 17.6). Decks 3D's advantage is ads (none vs shown) and update cadence (every 6 days vs every 16 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sizy App sells 2 one-off in-app purchases and Decks 3D sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Sizy App holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Sizy App ships an update every 16 months, Decks 3D every 6 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sizy App | Decks 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sizy-app/id1665475732/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/decks-3d-deck-builder/id6760630083/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 35 MB | 6 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Eduardo Sanchez](https://appshunter.io/developer/1665475734) | [Sebastin Michael](https://appshunter.io/developer/1224523462) |

## What reviewers say

### Sizy App

[App page](https://appshunter.io/ios/app/sizy-app/id1665475732)

Easily save and share clothing sizes, body measurements, and favorite brands with friends. This app simplifies gift-giving by eliminating awkward size-asking conversations. Manage your sizing information effortlessly and follow friends for convenient access to their details.

**Highlights:** Save clothing sizes, Record body measurements, Track favorite brands, Share sizing info with friends, Follow friends' profiles, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Café Sizy | $1.99 | one-time |
| Pro Sizy | $3.99 | one-time |


### Decks 3D

[App page](https://appshunter.io/ios/app/decks-3d-deck-builder/id6760630083)

Design and plan custom decks with detailed framing, 3D visualization, and exportable build documents. Supports various deck shapes and measurements for professional use.

**Highlights:** Design various deck shapes, Detailed framing and material lists, 3D visualization, Exportable blueprints and cut lists, Imperial and metric measurements, Offline project packages

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Sizy App free?

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

### Is Decks 3D free?

Decks 3D is free to download, with in-app purchases available.

### Which has better reviews, Sizy App or Decks 3D?

Sizy App is rated higher. Sizy App averages 5.0 out of 5 from 1 ratings, while Decks 3D averages 1.0 from 1 ratings.

### Do Sizy App or Decks 3D have ads?

Sizy App shows ads; Decks 3D does not.

### Which is updated more often, Sizy App or Decks 3D?

Sizy App ships an update every 16 months, and Decks 3D every 6 days. Most recently, Sizy App was updated on October 27, 2026 and Decks 3D on October 31, 2026.

---

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