# Checkin Event vs Heat

Checkin Event and Heat are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Checkin Event ships an update fortnightly, Heat every 11 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Checkin Event | Heat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 20 MB | 106 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Checkin AS](https://appshunter.io/developer/942458042) | [OJ ELECTRONICS AS](https://appshunter.io/developer/1326069502) |

## What reviewers say

### Checkin Event

[App page](https://appshunter.io/ios/app/checkin-event/id6446083056)

**Features:** Vision Pro support

**In-app purchases:** none


### Heat

[App page](https://appshunter.io/ios/app/heat-microtemp/id6762533477)

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

**In-app purchases:** none


## Frequently asked questions

### Is Checkin Event free?

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

### Is Heat free?

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

### Do Checkin Event or Heat have ads?

Neither Checkin Event nor Heat shows ads.

### Which is updated more often, Checkin Event or Heat?

Checkin Event ships an update fortnightly, and Heat every 11 days. Most recently, Checkin Event was updated on November 3, 2026 and Heat 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.*