# Binary vs ayi9

The clearest difference is update cadence: ayi9 at every 3 months against Binary's every 13 months. Binary's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

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

Binary ships an update every 13 months, ayi9 every 3 months. The most recent releases landed on August 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Binary | ayi9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/binary-clock/id410072771/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Wyllys Ingersoll](https://appshunter.io/developer/345097811) | [汉民 杨](https://appshunter.io/developer/611733383) |

## What reviewers say

### Binary

[App page](https://appshunter.io/ios/app/binary-clock/id410072771)

This utility displays time using binary code represented by LED-style buttons. It offers customizable display modes, an alarm, and a countdown timer, making it educational for learning binary counting.

**Highlights:** Binary time display, 24 or 12 hour mode, Alarm clock functionality, Countdown timer, Customizable button colors, Optional sound alerts

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

**In-app purchases:** none


### ayi9

[App page](https://appshunter.io/ios/app/ayi9/id6756864256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binary free?

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

### Is ayi9 free?

ayi9 is free to download, with no in-app purchases.

### Do Binary or ayi9 have ads?

Neither Binary nor ayi9 shows ads.

### Which is updated more often, Binary or ayi9?

Binary ships an update every 13 months, and ayi9 every 3 months. Most recently, Binary was updated on August 20, 2026 and ayi9 on September 14, 2026.

---

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