# 4D Scale vs Stamps.com Mobile App

The clearest difference is update cadence: Stamps.com Mobile App at every 3 weeks against 4D Scale's every 2 months. 4D Scale's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

4D Scale ships an update every 2 months, Stamps.com Mobile App every 3 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 4D Scale | Stamps.com Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (627 ratings)](https://appshunter.io/ios/app/stampscom-mobile-app/id1591959884/reviews)** |
| Number of ratings | — | **627** |
| Positive reviews | — | 6.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 12 MB | 81 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SELLER HARDWARE LLC](https://appshunter.io/developer/1792433678) | [Auctane](https://appshunter.io/developer/638778966) |

## What reviewers say

### 4D Scale

[App page](https://appshunter.io/ios/app/4d-scale/id1588785013)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stamps.com Mobile App

[App page](https://appshunter.io/ios/app/stampscom-mobile-app/id1591959884)

Print discounted USPS and UPS postage stamps and shipping labels directly from your phone. Compare rates, manage contacts, and track all your shipments to ensure delivery. Save time and money by avoiding post office lines.

**Highlights:** Print discounted USPS/UPS stamps and labels, Compare shipping rates, Track shipments, Verify recipient addresses, Generate QR codes for no-printer option

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy and simple to use
- 📦 Able to print shipping labels

**What reviewers complain about**

- 🐛 App crashes and glitches
- 💰 Unexpected charges and hidden fees
- 🔒 Difficult to cancel subscription
- 📝 Confusing and cumbersome UI
- 🚫 Unreliable and untrustworthy service

**Reported bugs**

- Login issues and account lockouts
- Printing failures and label generation problems
- Tracking information not updating properly
- Inconsistent behavior across web and mobile

**Requested features**

- Ability to print non-machinable stamps
- Option to copy/paste full addresses
- Landscape mode support for tablets
- Syncing of contacts and address book


## Frequently asked questions

### Is 4D Scale free?

4D Scale is free to download, with no in-app purchases.

### Is Stamps.com Mobile App free?

Stamps.com Mobile App is free to download, with no in-app purchases.

### Do 4D Scale or Stamps.com Mobile App have ads?

Neither 4D Scale nor Stamps.com Mobile App shows ads.

### Which is updated more often, 4D Scale or Stamps.com Mobile App?

4D Scale ships an update every 2 months, and Stamps.com Mobile App every 3 weeks. Most recently, 4D Scale was updated on October 25, 2026 and Stamps.com Mobile App on October 27, 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.*