# A vs Vector

The clearest difference is in-app purchases: A at none against Vector's 3. Vector's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Vector sells 3 in-app purchases, starting at $59.00 per month. A asks for nothing beyond the download.

A ships an update every 2 months, Vector weekly. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | A | Vector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/vector-lab/id6758965403/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 133 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Angel Davila](https://appshunter.io/developer/1711049617) | [ZOK Enterprises LLC](https://appshunter.io/developer/1835713465) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-training-fitness/id6468958561)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vector

[App page](https://appshunter.io/ios/app/vector-lab/id6758965403)

This app transforms your phone into a biomechanical measurement tool for coaches and trainers. It allows for objective assessment of range of motion, tracks progress over time, and helps build structured client programs.

**Highlights:** Objective movement assessment, Range of motion measurement, Progress tracking over time, Structured client programs, Photo-based angle capture, Offline capability

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VectorLab Foundation | $59.00 | per month |
| VectorLab Adv | $99.00 | per month |
| VectorLab Pro | $179.00 | per month |


## Frequently asked questions

### Is A free?

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

### Is Vector free?

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

### Do A or Vector have ads?

Neither A nor Vector shows ads.

### Which is updated more often, A or Vector?

A ships an update every 2 months, and Vector weekly. Most recently, A was updated on October 25, 2026 and Vector on October 18, 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.*