# EASUN vs PSCalendarApp

The clearest difference is ads: EASUN at none against PSCalendarApp's shown. EASUN also leads on iOS requirement (12.0 vs 16.6). PSCalendarApp's advantage is update cadence (daily vs every 2 months). On price, 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.

EASUN ships an update every 2 months, PSCalendarApp daily. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | EASUN | PSCalendarApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 38 MB | 5 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Nanchang Yepai Technology Co., Ltd.](https://appshunter.io/developer/1503296093) | [pilsun jang](https://appshunter.io/developer/1889778139) |

## What reviewers say

### EASUN

[App page](https://appshunter.io/ios/app/easun/id6514313618)

Monitor your battery's real-time status, including voltage, current, and internal resistance. Track historical data, compare individual cell performance, and receive alerts for critical conditions like over/under voltage and temperature. This system helps optimize lithium battery health and lifespan.

**Highlights:** Real-time voltage, current, power monitoring, Instrument panel and numerical displays, Chart timeline for historical data, Cell comparison and voltage difference, Cell balance display, Temperature and fault alarms, Single battery voltage and alarm status

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

**In-app purchases:** none


### PSCalendarApp

[App page](https://appshunter.io/ios/app/pscalendarapp/id6775716903)

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

**In-app purchases:** none


## Frequently asked questions

### Is EASUN free?

EASUN is free to download, with no in-app purchases.

### Is PSCalendarApp free?

PSCalendarApp is free to download, with no in-app purchases.

### Do EASUN or PSCalendarApp have ads?

PSCalendarApp shows ads; EASUN does not.

### Which is updated more often, EASUN or PSCalendarApp?

EASUN ships an update every 2 months, and PSCalendarApp daily. Most recently, EASUN was updated on October 2, 2026 and PSCalendarApp on September 28, 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.*