# 13enBus vs QingTrace Countdown

The clearest difference is iOS requirement: 13enBus at 15.1 against QingTrace Countdown's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

13enBus ships an update every 2 weeks, QingTrace Countdown every 10 days. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 13enBus | QingTrace Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 28 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Maxime L Janssens](https://appshunter.io/developer/6782083438) | [开棋 姜](https://appshunter.io/developer/1471317815) |

## What reviewers say

### 13enBus

[App page](https://appshunter.io/ios/app/13enbus/id6782083435)

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

**In-app purchases:** none


### QingTrace Countdown

[App page](https://appshunter.io/ios/app/qingtrace-countdown/id6788675955)

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

**In-app purchases:** none


## Frequently asked questions

### Is 13enBus free?

13enBus is free to download, with no in-app purchases.

### Is QingTrace Countdown free?

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

### Do 13enBus or QingTrace Countdown have ads?

Neither 13enBus nor QingTrace Countdown shows ads.

### Which is updated more often, 13enBus or QingTrace Countdown?

13enBus ships an update every 2 weeks, and QingTrace Countdown every 10 days. Most recently, 13enBus was updated on October 5, 2026 and QingTrace Countdown on October 21, 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.*