# Reminder vs Chiller Calc Pro

The clearest difference is in-app purchases: Reminder at none against Chiller Calc Pro's 2. Reminder also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Chiller Calc Pro sells 2 in-app purchases, starting at $3.99 per month. Reminder asks for nothing beyond the download.

## The numbers

| Metric | Reminder | Chiller Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 25 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Gonultas](https://appshunter.io/developer/1800284426) | [Samet Nail Coban](https://appshunter.io/developer/6780620147) |

## What reviewers say

### Reminder

[App page](https://appshunter.io/ios/app/reminder-task-tracking/id6753879895)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chiller Calc Pro

[App page](https://appshunter.io/ios/app/chiller-calc-pro/id6799268602)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chiller Calc Pro Monthly | $3.99 | per month |
| Chiller Calc Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Reminder free?

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

### Is Chiller Calc Pro free?

Chiller Calc Pro is free to download, with in-app purchases available.

### Do Reminder or Chiller Calc Pro have ads?

Neither Reminder nor Chiller Calc Pro shows ads.

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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.*