# Big binary clock vs PlanetTimer

The clearest difference is review sentiment: PlanetTimer at 100% against Big binary clock's 50%. PlanetTimer also leads on rating (5.0 vs 4.6) and update cadence (every 2 months vs every 13 months). Big binary clock's advantage is ratings volume (5 vs 1) and price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Big binary clock costs $0.99 and PlanetTimer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PlanetTimer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Big binary clock has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Big binary clock's written reviews are positive against 100% of PlanetTimer's.

Big binary clock ships an update every 13 months, PlanetTimer every 2 months. The most recent releases landed on September 24, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Big binary clock | PlanetTimer |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/big-binary-clock/id572188132/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/planettimer/id6450160076/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 43 MB |
| Requires iOS | **14.4** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Rutkowskij](https://appshunter.io/developer/518370415) | [仲辉 黄](https://appshunter.io/developer/1687783590) |

## What reviewers say

### Big binary clock

[App page](https://appshunter.io/ios/app/big-binary-clock/id572188132)

This app displays the current time using binary code. Customize the appearance with different LED shapes, colors, and brightness levels. It offers a unique way to view time for tech enthusiasts.

**Highlights:** Binary time display, Round LED option, Square LED option, Geek mode, Customizable colors, Adjustable brightness

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

**In-app purchases:** none


### PlanetTimer

[App page](https://appshunter.io/ios/app/planettimer/id6450160076)

Customize your timers with cartoon-style planetary themes and fun flying machines. Experience a unique timing process with rotating planets and interactive 3D effects. Track time intervals with simple clicks.

**Highlights:** Cartoon planetary themes, Customizable flying machines, Rotating planet animations, Time tracking by clicks, 3D hand tracking effects, Multiple planetary patterns

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Big binary clock free?

Big binary clock costs $0.99, with no in-app purchases.

### Is PlanetTimer free?

PlanetTimer costs $1.99, with no in-app purchases.

### Which has better reviews, Big binary clock or PlanetTimer?

PlanetTimer is rated higher. Big binary clock averages 4.6 out of 5 from 5 ratings, while PlanetTimer averages 5.0 from 1 ratings.

### Do Big binary clock or PlanetTimer have ads?

Neither Big binary clock nor PlanetTimer shows ads.

### Which is updated more often, Big binary clock or PlanetTimer?

Big binary clock ships an update every 13 months, and PlanetTimer every 2 months. Most recently, Big binary clock was updated on September 24, 2026 and PlanetTimer on August 14, 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.*