# Smart Cleaner vs Chrona

The clearest difference is rating: Chrona at 5.0 against Smart Cleaner's 4.4. Chrona also leads on review sentiment (100% vs 60%). Smart Cleaner's advantage is in-app purchases (none vs 5) and ratings volume (232 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chrona sells 5 in-app purchases, starting at $3.99 per month. Smart Cleaner asks for nothing beyond the download.

Chrona holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Smart Cleaner has 232 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 60% of Smart Cleaner's written reviews are positive against 100% of Chrona's.

Smart Cleaner ships an update every 4 days, Chrona every 6 days. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Smart Cleaner | Chrona |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (232 ratings)](https://appshunter.io/ios/app/smart-cleaner-ai-cleaner/id6753928362/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chrona-global-time/id6760605240/reviews)** |
| Number of ratings | **232** | 4 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | **Free** | Freemium |
| Size | 71 MB | 84 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [TINY BOLT (HK) CO., LIMITED](https://appshunter.io/developer/1693315937) | [JOHN MICHAEL TABAKIAN](https://appshunter.io/developer/1885273834) |

## What reviewers say

### Smart Cleaner

[App page](https://appshunter.io/ios/app/smart-cleaner-ai-cleaner/id6753928362)

This AI-powered app optimizes your device by automatically removing junk files, duplicate photos, and unnecessary data. It also helps organize contacts, secure sensitive files in a private vault, and offers customizable charging animations and home screen widgets.

**Highlights:** AI Smart Cleaning, Photo & Video Cleaner, Contact Organizer, Private Space vault, Charging Animation, Home Widgets

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

**In-app purchases:** none


### Chrona

[App page](https://appshunter.io/ios/app/chrona-global-time/id6760605240)

Instantly see the local time for your contacts and friends worldwide. Avoid time zone confusion and know the best moments to connect, whether for work or personal reasons. Designed for simplicity and privacy, it helps you stay in sync with your global network.

**Highlights:** See local time and time difference, Smart indicators for best call times, Track cities or contacts, Link phone contacts, Custom photos for contacts, Home screen widgets (coming soon)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chrona Student Monthly Subscription | $3.99 | per month |
| Chrona First Month Subscription | $3.99 | per month |
| Chrona Subscription | $4.99 | per month |
| Chrona Premium - Lifetime | $4.99 | one-time |
| Chrona Premium - Monthly | $4.99 | one-time |


## Frequently asked questions

### Is Smart Cleaner free?

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

### Is Chrona free?

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

### Which has better reviews, Smart Cleaner or Chrona?

Chrona is rated higher. Smart Cleaner averages 4.4 out of 5 from 232 ratings, while Chrona averages 5.0 from 4 ratings.

### Do Smart Cleaner or Chrona have ads?

Neither Smart Cleaner nor Chrona shows ads.

### Which is updated more often, Smart Cleaner or Chrona?

Smart Cleaner ships an update every 4 days, and Chrona every 6 days. Most recently, Smart Cleaner was updated on September 23, 2026 and Chrona on September 8, 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.*