# Alpaca Tracker vs MLDB System

The clearest difference is in-app purchases: MLDB System at none against Alpaca Tracker's 1. MLDB System also leads on update cadence (every 9 days vs every 5 weeks) and iOS requirement (12.4 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Alpaca Tracker sells 1 one-off in-app purchase. MLDB System asks for nothing beyond the download.

Alpaca Tracker ships an update every 5 weeks, MLDB System every 9 days. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Alpaca Tracker | MLDB System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 43 MB | 29 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Lehr](https://appshunter.io/developer/1461765394) | [Ashish Sonkusare](https://appshunter.io/developer/1669068273) |

## What reviewers say

### Alpaca Tracker

[App page](https://appshunter.io/ios/app/alpaca-tracker/id1462547727)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alpaca Tracker Ad Free | $2.99 | one-time |


### MLDB System

[App page](https://appshunter.io/ios/app/mldb-system/id6451116800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alpaca Tracker free?

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

### Is MLDB System free?

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

### Do Alpaca Tracker or MLDB System have ads?

Neither Alpaca Tracker nor MLDB System shows ads.

### Which is updated more often, Alpaca Tracker or MLDB System?

Alpaca Tracker ships an update every 5 weeks, and MLDB System every 9 days. Most recently, Alpaca Tracker was updated on September 9, 2026 and MLDB System on September 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.*