# 易運王 erunking 易运王 vs Backmost

The clearest difference is ads: 易運王 erunking 易运王 at none against Backmost's shown. 易運王 erunking 易运王 also leads on iOS requirement (12.0 vs 14). On price, update cadence, 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.

易運王 erunking 易运王 ships an update fortnightly, Backmost every 2 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 易運王 erunking 易运王 | Backmost |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 38 MB | 12 MB |
| Requires iOS | **12.0** | 14 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [HANGYEE TAM](https://appshunter.io/developer/1771347373) | [Index Power (Shenzhen) Technology Co., Ltd](https://appshunter.io/developer/1773052724) |

## What reviewers say

### 易運王 erunking 易运王

[App page](https://appshunter.io/ios/app/erunking/id6733221902)

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

**In-app purchases:** none


### Backmost

[App page](https://appshunter.io/ios/app/backmost/id6737029030)

**In-app purchases:** none


## Frequently asked questions

### Is 易運王 erunking 易运王 free?

易運王 erunking 易运王 is free to download, with no in-app purchases.

### Is Backmost free?

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

### Do 易運王 erunking 易运王 or Backmost have ads?

Backmost shows ads; 易運王 erunking 易运王 does not.

### Which is updated more often, 易運王 erunking 易运王 or Backmost?

易運王 erunking 易运王 ships an update fortnightly, and Backmost every 2 weeks. Most recently, 易運王 erunking 易运王 was updated on September 26, 2026 and Backmost on September 17, 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.*