# Fluid Time vs Rubber Clock

The clearest difference is update cadence: Fluid Time at daily against Rubber Clock's every 5 days. Fluid Time also leads on iOS requirement (15.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fluid Time sells 1 one-off in-app purchase and Rubber Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Fluid Time ships an update daily, Rubber Clock every 5 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Fluid Time | Rubber Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fluid-time-see-time-flow/id6670695819/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Free | — |
| Size | 40 MB | 111 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州两仪软件有限公司](https://appshunter.io/developer/1682727762) | [传河 张](https://appshunter.io/developer/1789789418) |

## What reviewers say

### Fluid Time

[App page](https://appshunter.io/ios/app/fluid-time-see-time-flow/id6670695819)

Experience a unique digital clock with mesmerizing liquid animations that make numbers flow like water. Track current time or use the countdown feature for events and deadlines with a minimalist, futuristic design.

**Highlights:** Liquid flow number animations, Countdown mode for events, Minimalist and clean interface, Visually stunning time display, Futuristic and captivating effect

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluid Time Premium | $1.99 | one-time |


### Rubber Clock

[App page](https://appshunter.io/ios/app/rubber-clock/id6763499552)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Eraser Pack | $0.99 | one-time |
| Medium Eraser Pack | $1.99 | one-time |
| Large Eraser Pack | $2.99 | one-time |


## Frequently asked questions

### Is Fluid Time free?

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

### Is Rubber Clock free?

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

### Do Fluid Time or Rubber Clock have ads?

Neither Fluid Time nor Rubber Clock shows ads.

### Which is updated more often, Fluid Time or Rubber Clock?

Fluid Time ships an update daily, and Rubber Clock every 5 days. Most recently, Fluid Time was updated on October 3, 2026 and Rubber Clock on October 11, 2026.

---

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