# Smart Auto vs Digital Clock Ultra

The clearest difference is update cadence: Digital Clock Ultra at every 3 weeks against Smart Auto's every 42 months. Digital Clock Ultra also leads on rating (4.8 vs 4.5). Smart Auto's advantage is ratings volume (45 vs 8). On price, review sentiment, 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.

Digital Clock Ultra holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Smart Auto has 45 ratings behind it against 8, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Smart Auto ships an update every 42 months, Digital Clock Ultra every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart Auto | Digital Clock Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (45 ratings)](https://appshunter.io/ios/app/smart-auto-car-maintenance/id1490611112/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275/reviews)** |
| Number of ratings | **45** | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 42 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Klymentiev](https://appshunter.io/developer/1244242743) | [SeungJun Lee](https://appshunter.io/developer/1435485286) |

## What reviewers say

### Smart Auto

[App page](https://appshunter.io/ios/app/smart-auto-car-maintenance/id1490611112)

Manage your car's maintenance schedule with smart reminders for service dates. This app helps you track up to nine vehicles, store receipts, and get instant auto insurance quotes. It's a comprehensive tool for car owners, dealers, and service providers.

**Highlights:** Smart service reminders, Track up to 9 cars, Save receipts and auto history, Get instant insurance quotes, Car news and advice

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

**In-app purchases:** none


### Digital Clock Ultra

[App page](https://appshunter.io/ios/app/digital-clock-ultra/id1672768275)

Customize your device's clock with personalized backgrounds, calendar integration, and a year progress tracker. Enjoy a sleek, easy-to-navigate interface for a unique time-keeping experience.

**Highlights:** Customizable digital clock display, 12/24 hour format, Built-in calendar with date marking, Year progress percentage tracker, Personalized photo backgrounds, Sleek and modern UI

**In-app purchases:** none


## Frequently asked questions

### Is Smart Auto free?

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

### Is Digital Clock Ultra free?

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

### Which has better reviews, Smart Auto or Digital Clock Ultra?

Digital Clock Ultra is rated higher. Smart Auto averages 4.5 out of 5 from 45 ratings, while Digital Clock Ultra averages 4.8 from 8 ratings.

### Do Smart Auto or Digital Clock Ultra have ads?

Neither Smart Auto nor Digital Clock Ultra shows ads.

### Which is updated more often, Smart Auto or Digital Clock Ultra?

Smart Auto ships an update every 42 months, and Digital Clock Ultra every 3 weeks. Most recently, Smart Auto was updated on October 25, 2026 and Digital Clock Ultra on October 24, 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.*