# Binary Clock Time vs FPVSIM

The clearest difference is price: Binary Clock Time at Free against FPVSIM's $9.99. FPVSIM's advantage is ads (none vs shown) and update cadence (every 4 months vs every 13 months). On in-app purchases and device support there is nothing between them.

Binary Clock Time is free to download; FPVSIM costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Binary Clock Time ships an update every 13 months, FPVSIM every 4 months. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Binary Clock Time | FPVSIM |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.6 (34 ratings)](https://appshunter.io/ios/app/binary-clock-time/id417280591/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 75.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Best chart rank | — | **#198** |
| Size | 4 MB | 73 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aaron F Stephenson](https://appshunter.io/developer/391222344) | [Jiahao Wang](https://appshunter.io/developer/1755770926) |

## What reviewers say

### Binary Clock Time

[App page](https://appshunter.io/ios/app/binary-clock-time/id417280591)

This application displays the current time using a binary format represented by changing shades of blue circles. It includes a tutorial to help users learn how to read binary time quickly.

**Highlights:** Binary time display, Color customization, Built-in tutorial, Watch app support

**Features:** Apple Watch app

**In-app purchases:** none


### FPVSIM

[App page](https://appshunter.io/ios/app/fpvsim-timer/id6514321806)

**Currently charting:** #198 Top Paid · Education (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Binary Clock Time free?

Binary Clock Time is free to download, with no in-app purchases.

### Is FPVSIM free?

FPVSIM costs $9.99, with no in-app purchases.

### Do Binary Clock Time or FPVSIM have ads?

Binary Clock Time shows ads; FPVSIM does not.

### Which is updated more often, Binary Clock Time or FPVSIM?

Binary Clock Time ships an update every 13 months, and FPVSIM every 4 months. Most recently, Binary Clock Time was updated on September 16, 2026 and FPVSIM on September 20, 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.*