# Zusti vs Kelyo

The clearest difference is update cadence: Kelyo at weekly against Zusti's monthly. Zusti's advantage is iOS requirement (16.0 vs 18.0). 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.

Zusti ships an update monthly, Kelyo weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Zusti | Kelyo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zusti/id6504712413/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 5 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Kovynev](https://appshunter.io/developer/1601052584) | [Aleksei Gubarev](https://appshunter.io/developer/1842659871) |

## What reviewers say

### Zusti

[App page](https://appshunter.io/ios/app/zusti/id6504712413)

**In-app purchases:** none


### Kelyo

[App page](https://appshunter.io/ios/app/kelyo/id6753136196)

Track currency and precious metal prices from the Central Bank of Russia. Features a currency converter, metal calculator with assay support, and a customizable home screen widget. Works offline with cached data.

**Highlights:** Currency and metal rates from CBRF, Precious metal calculator with assay support, Currency converter with custom rates, Offline access with cached data, Customizable home screen widget, Automatic data updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Zusti free?

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

### Is Kelyo free?

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

### Do Zusti or Kelyo have ads?

Neither Zusti nor Kelyo shows ads.

### Which is updated more often, Zusti or Kelyo?

Zusti ships an update monthly, and Kelyo weekly. Most recently, Zusti was updated on October 24, 2026 and Kelyo 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.*