# True Binary Clock Free vs Sunny 97.7

The clearest difference is ads: True Binary Clock Free at none against Sunny 97.7's shown. True Binary Clock Free also leads on iOS requirement (9.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

True Binary Clock Free ships an update every 24 months, Sunny 97.7 every 31 months. The most recent releases landed on October 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | True Binary Clock Free | Sunny 97.7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (12 ratings)](https://appshunter.io/ios/app/true-binary-clock-free/id328085957/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 24 months** | Every 31 months |
| Monetization | Free | — |
| Size | 9 MB | 18 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AFKSoft](https://appshunter.io/developer/300802963) | [PRAIRIE WINDS BROADCASTING, INC](https://appshunter.io/developer/894769070) |

## What reviewers say

### True Binary Clock Free

[App page](https://appshunter.io/ios/app/true-binary-clock-free/id328085957)

This app displays time using binary code, offering both true binary and BCD modes. It includes an optional digital clock display and supports 12 or 24-hour formats with customizable colors. It's designed to be educational and visually appealing.

**Highlights:** True binary clock mode, BCD binary clock mode, Optional digital clock, 12/24 hour time format, Configurable colors, Disable screen lock option

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

**In-app purchases:** none


### Sunny 97.7

[App page](https://appshunter.io/ios/app/sunny-977/id894805014)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is True Binary Clock Free free?

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

### Is Sunny 97.7 free?

Sunny 97.7 is free to download, with no in-app purchases.

### Do True Binary Clock Free or Sunny 97.7 have ads?

Sunny 97.7 shows ads; True Binary Clock Free does not.

### Which is updated more often, True Binary Clock Free or Sunny 97.7?

True Binary Clock Free ships an update every 24 months, and Sunny 97.7 every 31 months. Most recently, True Binary Clock Free was updated on October 13, 2026 and Sunny 97.7 on September 26, 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.*