# Fill vs QingTrace Countdown

The clearest difference is in-app purchases: QingTrace Countdown at none against Fill's 3. Fill's advantage is update cadence (daily vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fill sells 3 one-off in-app purchases. QingTrace Countdown asks for nothing beyond the download.

Fill ships an update daily, QingTrace Countdown every 10 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Fill | QingTrace Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 10 days |
| Size | 25 MB | 3 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cheng Hung Lo](https://appshunter.io/developer/1896510744) | [开棋 姜](https://appshunter.io/developer/1471317815) |

## What reviewers say

### Fill

[App page](https://appshunter.io/ios/app/fill-timer/id6767813234)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Premium Scenes | $1.99 | one-time |
| Bundle Package | $2.99 | one-time |


### 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 Fill free?

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

### Is QingTrace Countdown free?

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

### Do Fill or QingTrace Countdown have ads?

Neither Fill nor QingTrace Countdown shows ads.

### Which is updated more often, Fill or QingTrace Countdown?

Fill ships an update daily, and QingTrace Countdown every 10 days. Most recently, Fill was updated on October 28, 2026 and QingTrace Countdown on October 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.*