# Smart vs CITIBILL

The clearest difference is update cadence: CITIBILL at every 6 weeks against Smart's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Smart ships an update every 6 months, CITIBILL every 6 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Smart | CITIBILL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Size | 44 MB | 158 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [青岛聚好联科技有限公司](https://appshunter.io/developer/1441944018) | [CITIBILL SINGLE MEMBER S.A.](https://appshunter.io/developer/1883409992) |

## What reviewers say

### Smart

[App page](https://appshunter.io/ios/app/smart-living/id1444297360)

**Features:** Vision Pro support

**In-app purchases:** none


### CITIBILL

[App page](https://appshunter.io/ios/app/citibill/id6760240614)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart free?

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

### Is CITIBILL free?

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

### Do Smart or CITIBILL have ads?

Neither Smart nor CITIBILL shows ads.

### Which is updated more often, Smart or CITIBILL?

Smart ships an update every 6 months, and CITIBILL every 6 weeks. Most recently, Smart was updated on November 2, 2026 and CITIBILL on November 5, 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.*