# Unit Cost Calculator vs Envelope Printer

The clearest difference is update cadence: Unit Cost Calculator at every 2 weeks against Envelope Printer's every 4 months. Unit Cost Calculator also leads on iOS requirement (8.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Unit Cost Calculator sells 1 one-off in-app purchase and Envelope Printer sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Unit Cost Calculator ships an update every 2 weeks, Envelope Printer every 4 months. The most recent releases landed on September 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Unit Cost Calculator | Envelope Printer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (113 ratings)](https://appshunter.io/ios/app/envelope-printer-label-maker/id6479635987/reviews)** |
| Number of ratings | — | **113** |
| Positive reviews | — | 9.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 4 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [S Fidge](https://appshunter.io/developer/1022182633) | [Arda Sen](https://appshunter.io/developer/1670665250) |

## What reviewers say

### Unit Cost Calculator

[App page](https://appshunter.io/ios/app/unit-cost-calculator/id1108846512)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitCosting - Full Version | $0.99 | one-time |


### Envelope Printer

[App page](https://appshunter.io/ios/app/envelope-printer-label-maker/id6479635987)

Easily print shipping addresses and mailing labels on any envelope size. Customize fonts, sizes, colors, and placement for a professional and personalized look. Streamline your mailing tasks with an intuitive and efficient printing experience.

**Highlights:** Universal envelope compatibility, Flexible address customization, Adjustable fonts, sizes, colors, and placement, Effortless and intuitive printing, Print shipping addresses and mailing labels

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Unit Cost Calculator free?

Unit Cost Calculator is free to download, with in-app purchases available.

### Is Envelope Printer free?

Envelope Printer is free to download, with in-app purchases available.

### Do Unit Cost Calculator or Envelope Printer have ads?

Neither Unit Cost Calculator nor Envelope Printer shows ads.

### Which is updated more often, Unit Cost Calculator or Envelope Printer?

Unit Cost Calculator ships an update every 2 weeks, and Envelope Printer every 4 months. Most recently, Unit Cost Calculator was updated on September 28, 2026 and Envelope Printer on October 15, 2026.

---

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