# Tracker Prime vs ELFA arm

The clearest difference is update cadence: Tracker Prime at every 4 days against ELFA arm's every 3 weeks. ELFA arm's advantage is iOS requirement (13.0 vs 15.1). 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.

Tracker Prime ships an update every 4 days, ELFA arm every 3 weeks. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Tracker Prime | ELFA arm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 31 MB | 89 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Inoprime Tecnologia Ltda EPP](https://appshunter.io/developer/1428975102) | [GF EMPREENDIMENTOS E SERVICOS LTDA](https://appshunter.io/developer/1769479469) |

## What reviewers say

### Tracker Prime

[App page](https://appshunter.io/ios/app/tracker-prime/id6746725891)

**Features:** macOS Compatibility

**In-app purchases:** none


### ELFA arm

[App page](https://appshunter.io/ios/app/elfa-arm/id6763649727)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tracker Prime free?

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

### Is ELFA arm free?

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

### Do Tracker Prime or ELFA arm have ads?

Neither Tracker Prime nor ELFA arm shows ads.

### Which is updated more often, Tracker Prime or ELFA arm?

Tracker Prime ships an update every 4 days, and ELFA arm every 3 weeks. Most recently, Tracker Prime was updated on September 9, 2026 and ELFA arm on September 14, 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.*