# Easy Calculator vs ePdfUB

The clearest difference is price: Easy Calculator at Free against ePdfUB's $3.99. Easy Calculator also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.6 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Easy Calculator is free to download; ePdfUB costs $3.99 up front. Easy Calculator sells 1 one-off in-app purchase and ePdfUB sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

Easy Calculator ships an update weekly, ePdfUB every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Easy Calculator | ePdfUB |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/easy-calculator-easycalc/id6746744871/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 23 MB | 7 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [伟鹏 李](https://appshunter.io/developer/1817642925) | [Chia Hsien Wei](https://appshunter.io/developer/6778780638) |

## What reviewers say

### Easy Calculator

[App page](https://appshunter.io/ios/app/easy-calculator-easycalc/id6746744871)

This app offers a smart and efficient computing experience with automatic history saving and a comprehensive unit converter. It provides customizable themes, flexible display settings, and optional haptic feedback for enhanced interaction.

**Highlights:** Smart history tracking, Unit converter, Sound and voice feedback, Customizable themes, Flexible display settings, Haptic feedback

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium Membership | $2.99 | one-time |


### ePdfUB

[App page](https://appshunter.io/ios/app/epdfub/id6780764422)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $0.99 | per year |
| lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Easy Calculator free?

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

### Is ePdfUB free?

ePdfUB costs $3.99, and also offers in-app purchases.

### Do Easy Calculator or ePdfUB have ads?

Neither Easy Calculator nor ePdfUB shows ads.

### Which is updated more often, Easy Calculator or ePdfUB?

Easy Calculator ships an update weekly, and ePdfUB every 2 months. Most recently, Easy Calculator was updated on October 24, 2026 and ePdfUB on October 25, 2026.

---

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