# Zolt vs Alp Systems

The clearest difference is update cadence: Zolt at every 3 weeks against Alp Systems's every 3 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, Alp Systems every 3 months. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Zolt | Alp Systems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 56 MB | 9 MB |
| Requires iOS | 13.4 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZOLT SIA](https://appshunter.io/developer/1748554711) | [Brian Birtle](https://appshunter.io/developer/991721885) |

## What reviewers say

### Zolt

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Alp Systems

[App page](https://appshunter.io/ios/app/alp-systems/id1577824266)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zolt free?

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

### Is Alp Systems free?

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

### Do Zolt or Alp Systems have ads?

Neither Zolt nor Alp Systems shows ads.

### Which is updated more often, Zolt or Alp Systems?

Zolt ships an update every 3 weeks, and Alp Systems every 3 months. Most recently, Zolt was updated on October 25, 2026 and Alp Systems on October 11, 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.*