# Zolt vs CrossChem

The clearest difference is update cadence: Zolt at every 3 weeks against CrossChem's every 2 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.

Zolt ships an update every 3 weeks, CrossChem every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Zolt | CrossChem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 56 MB | 68 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZOLT SIA](https://appshunter.io/developer/1748554711) | [CrossChem SIA](https://appshunter.io/developer/1560981232) |

## What reviewers say

### Zolt

[App page](https://appshunter.io/ios/app/zolt/id1558431083)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### CrossChem

[App page](https://appshunter.io/ios/app/crosschem/id1560981230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zolt free?

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

### Is CrossChem free?

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

### Do Zolt or CrossChem have ads?

Neither Zolt nor CrossChem shows ads.

### Which is updated more often, Zolt or CrossChem?

Zolt ships an update every 3 weeks, and CrossChem every 2 months. Most recently, Zolt was updated on November 7, 2026 and CrossChem on November 7, 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.*