# Heat Check vs CallupTracker

The clearest difference is in-app purchases: Heat Check at none against CallupTracker's 3. Heat Check also leads on ratings volume (16 vs 2). CallupTracker's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 weeks). On price, rating and iOS requirement there is nothing between them.

Both are free to download. CallupTracker sells 3 one-off in-app purchases. Heat Check asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Heat Check against 5.0 for CallupTracker. That said, the two scores are not equally well evidenced: Heat Check has 16 ratings behind it against 2, so its average is the more settled of the two.

Heat Check ships an update every 2 weeks, CallupTracker every 6 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Heat Check | CallupTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/heat-check-live-stats-tracker/id6754465585/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calluptracker/id6762523211/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 30 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Heat Check AI LLC](https://appshunter.io/developer/1848401726) | [Nicolas Richards](https://appshunter.io/developer/1894522842) |

## What reviewers say

### Heat Check

[App page](https://appshunter.io/ios/app/heat-check-live-stats-tracker/id6754465585)

This app provides real-time player performance rankings and customizable alerts for live sports games. It focuses on current momentum rather than final scores, offering insights into player activity and market data.

**Highlights:** Live ranked player performance board, Real-time heat index for players, Customizable alerts with adjustable intensity, Market data from Kalshi Research, Live Activities and Dynamic Island integration, Account-free alert option

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

**In-app purchases:** none


### CallupTracker

[App page](https://appshunter.io/ios/app/calluptracker/id6762523211)

Track official rookie-eligible baseball player call-ups to the major leagues. The app automatically refreshes upon opening to provide the latest news. Filter by your favorite team or view call-ups from a specific date.

**Highlights:** Lists official rookie call-ups, Automatic real-time refresh, Team-specific filtering, Date selection for historical data, Supports iPhone and iPad

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is Heat Check free?

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

### Is CallupTracker free?

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

### Which has better reviews, Heat Check or CallupTracker?

CallupTracker is rated higher. Heat Check averages 4.9 out of 5 from 16 ratings, while CallupTracker averages 5.0 from 2 ratings.

### Do Heat Check or CallupTracker have ads?

Heat Check shows ads; CallupTracker does not.

### Which is updated more often, Heat Check or CallupTracker?

Heat Check ships an update every 2 weeks, and CallupTracker every 6 days. Most recently, Heat Check was updated on November 5, 2026 and CallupTracker 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.*