# 日历清理工具 vs Echo IM

The clearest difference is ads: Echo IM at none against 日历清理工具's shown. 日历清理工具's advantage is update cadence (every 2 days vs weekly) and iOS requirement (13.0 vs 26.2). 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.

日历清理工具 ships an update every 2 days, Echo IM weekly. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 日历清理工具 | Echo IM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (13 ratings)](https://appshunter.io/ios/app/and/id1180959821/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 32 MB | 95 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Miduo Future Technology Co., Ltd.](https://appshunter.io/developer/1060419459) | [Tadwill & Co., Limited](https://appshunter.io/developer/351931205) |

## What reviewers say

### 日历清理工具

[App page](https://appshunter.io/ios/app/and/id1180959821)

This utility helps remove unwanted calendar invitations and advertisements. It allows users to set date ranges for cleanup, add custom keywords, and mark ads for deletion. Changes sync automatically with iCloud.

**Highlights:** Date range selection for cleanup, Customizable keyword filtering, Mark and delete ad events, One-click calendar cleanup, Automatic iCloud synchronization

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

**In-app purchases:** none


### Echo IM

[App page](https://appshunter.io/ios/app/echo-im/id6757745646)

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

**In-app purchases:** none


## Frequently asked questions

### Is 日历清理工具 free?

日历清理工具 is free to download, with no in-app purchases.

### Is Echo IM free?

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

### Do 日历清理工具 or Echo IM have ads?

日历清理工具 shows ads; Echo IM does not.

### Which is updated more often, 日历清理工具 or Echo IM?

日历清理工具 ships an update every 2 days, and Echo IM weekly. Most recently, 日历清理工具 was updated on September 20, 2026 and Echo IM on September 19, 2026.

---

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