# BitTime vs ASG Clock

The clearest difference is in-app purchases: ASG Clock at none against BitTime's 5. ASG Clock also leads on update cadence (daily vs monthly) and iOS requirement (14.0 vs 17.2). BitTime's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. BitTime sells 5 one-off in-app purchases. ASG Clock asks for nothing beyond the download.

BitTime ships an update monthly, ASG Clock daily. Both last shipped on September 14, 2026.

## The numbers

| Metric | BitTime | ASG Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Size | 6 MB | 10 MB |
| Requires iOS | 17.2 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Clete Blackwell II](https://appshunter.io/developer/505744974) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### BitTime

[App page](https://appshunter.io/ios/app/bittime-binary-clock/id6749833995)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $2.99 | one-time |
| X-Large Tip | $3.99 | one-time |
| XX-Large Tip | $4.99 | one-time |


### ASG Clock

[App page](https://appshunter.io/ios/app/asg-clock-autostereogram/id6759359824)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BitTime free?

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

### Is ASG Clock free?

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

### Do BitTime or ASG Clock have ads?

ASG Clock shows ads; BitTime does not.

### Which is updated more often, BitTime or ASG Clock?

BitTime ships an update monthly, and ASG Clock daily. Most recently, BitTime was updated on September 14, 2026 and ASG Clock on September 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.*