# Seam vs Reactr

The clearest difference is in-app purchases: Reactr at none against Seam's 1. Reactr also leads on iOS requirement (17.6 vs 26.1). Seam's advantage is update cadence (every 2 months vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Seam sells 1 in-app purchase, starting at $19.99 per year. Reactr asks for nothing beyond the download.

Seam ships an update every 2 months, Reactr every 8 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Seam | Reactr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seam-pitch-charting/id6503445937/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 1 MB |
| Requires iOS | 26.1 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [LGT Productions](https://appshunter.io/developer/1882725459) | [Adam Joseph](https://appshunter.io/developer/1882692754) |

## What reviewers say

### Seam

[App page](https://appshunter.io/ios/app/seam-pitch-charting/id6503445937)

This app allows coaches and players to capture, analyze, and understand pitching performance from their mobile device. Log pitch details in real-time, organize pitcher profiles, and review game data for in-depth post-game analysis.

**Highlights:** Real-time pitch logging, Pitch type, location, and velocity tracking, Pitcher profile management, In-depth post-game analysis, Customizable preferences, Local data saving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ArmBarn Pro | $19.99 | per year |


### Reactr

[App page](https://appshunter.io/ios/app/reactr-pitch-speed-converter/id6760679596)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seam free?

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

### Is Reactr free?

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

### Do Seam or Reactr have ads?

Neither Seam nor Reactr shows ads.

### Which is updated more often, Seam or Reactr?

Seam ships an update every 2 months, and Reactr every 8 months. Most recently, Seam was updated on November 4, 2026 and Reactr on November 5, 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.*