# Fluid Time vs Calkillator

The clearest difference is update cadence: Fluid Time at daily against Calkillator's monthly. 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 Calkillator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fluid Time ships an update daily, Calkillator monthly. Both last shipped on October 19, 2026.

## The numbers

| Metric | Fluid Time | Calkillator |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free | — |
| Size | 40 MB | 25 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州两仪软件有限公司](https://appshunter.io/developer/1682727762) | [221B STUDIO](https://appshunter.io/developer/1896370551) |

## 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 |


### Calkillator

[App page](https://appshunter.io/ios/app/calkillator/id6787863795)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calkillator Minions | $0.99 | one-time |


## Frequently asked questions

### Is Fluid Time free?

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

### Is Calkillator free?

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

### Do Fluid Time or Calkillator have ads?

Neither Fluid Time nor Calkillator shows ads.

### Which is updated more often, Fluid Time or Calkillator?

Fluid Time ships an update daily, and Calkillator monthly. Most recently, Fluid Time was updated on October 19, 2026 and Calkillator on October 19, 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.*