4D Scale vs Stamps.com Mobile App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4D Scale
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The multidimensional scaling system that will speed up your shipping and simplify your warehouse management.
Stamps.com Mobile App
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.
- Print discounted USPS/UPS stamps and labels
- Compare shipping rates
- Track shipments
- Verify recipient addresses
- Generate QR codes for no-printer option
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Print discounted USPS® and UPS® stamps and shipping labels and track everything you mail and ship right from your phone. PRINT POSTAGE STAMPS AND SHIPPING LABELS • Compare First-Class Mail® and shipping rates from USPS, UPS, and more carriers. • Access deeply discounted rates not available in person or with a business account. • Print stamps, envelopes, or shipping labels from your phone using a WiFi printer. • No printer? Generate a QR code to save time with the carrier ADD AND MANAGE CONTACTS • Automatically verify recipient addresses for every item you mail or ship. • Access your address book to send on the go. Save recipients for future shipments.TRACK SHIPMENTS TO ENSURE DELIVERY • Share tracking information via email. • Check delivery status for everything you send.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 4D Scale | Stamps.com Mobile App |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (627 ratings) — better |
| Positive reviews | — | 6.8% of reviews |
| Number of ratings | — | 627 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 12 MB | 81 MB |
| Age rating | 4+ | 17+ |
| Developer | SELLER HARDWARE LLC | Auctane |
Bugs and requests
4D Scale
Not enough reviews yet to summarise bugs or requests.
Stamps.com Mobile App
Reported bugs
4 issues- Login issues and account lockouts
- Printing failures and label generation problems
- Tracking information not updating properly
- Inconsistent behavior across web and mobile
Requested features
4 requests- Ability to print non-machinable stamps
- Option to copy/paste full addresses
- Landscape mode support for tablets
- Syncing of contacts and address book
In-app purchases
4D Scale
No in-app purchases
Stamps.com Mobile App
No in-app purchases
