# Baseline Vision vs Spinfire Pro 2

The clearest difference is device support: Spinfire Pro 2 at 4 against Baseline Vision's 1. Spinfire Pro 2 also leads on iOS requirement (13.0 vs 17.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Baseline Vision ships an update every 2 months, Spinfire Pro 2 monthly. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Baseline Vision | Spinfire Pro 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/baseline-vision/id1511793266/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 164 MB | 54 MB |
| Requires iOS | 17.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Baselinevision](https://appshunter.io/developer/1511793265) | [The trustee for The Fry Developments Trust](https://appshunter.io/developer/1750172875) |

## What reviewers say

### Baseline Vision

[App page](https://appshunter.io/ios/app/baseline-vision/id1511793266)

This app enhances tennis play with real-time line calling, 3D visualization, and gamified drills. It provides instant performance feedback and detailed tracking of speed, placement, and fitness data. Users can also review video replays and download match footage.

**Highlights:** Real-time voice line-calling, 3D visualization of plays, Gamified practice drills, Instant performance feedback, Detailed performance tracking, Video replays and downloads

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

**In-app purchases:** none


### Spinfire Pro 2

[App page](https://appshunter.io/ios/app/spinfire-pro-2/id6503728031)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Baseline Vision free?

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

### Is Spinfire Pro 2 free?

Spinfire Pro 2 is free to download, with no in-app purchases.

### Do Baseline Vision or Spinfire Pro 2 have ads?

Neither Baseline Vision nor Spinfire Pro 2 shows ads.

### Which is updated more often, Baseline Vision or Spinfire Pro 2?

Baseline Vision ships an update every 2 months, and Spinfire Pro 2 monthly. Most recently, Baseline Vision was updated on October 3, 2026 and Spinfire Pro 2 on October 10, 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.*