# iPocket Calculator vs CheckLaterReminder

The clearest difference is in-app purchases: CheckLaterReminder at none against iPocket Calculator's 1. CheckLaterReminder also leads on update cadence (every 3 weeks vs every 10 months). iPocket Calculator's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. iPocket Calculator sells 1 one-off in-app purchase. CheckLaterReminder asks for nothing beyond the download.

iPocket Calculator ships an update every 10 months, CheckLaterReminder every 3 weeks. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iPocket Calculator | CheckLaterReminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/ipocket-calculator/id6445945819/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mahmoud Suliman](https://appshunter.io/developer/571829037) | [Twin Lab Co., Ltd.](https://appshunter.io/developer/889743363) |

## What reviewers say

### iPocket Calculator

[App page](https://appshunter.io/ios/app/ipocket-calculator/id6445945819)

This app provides a fast and intuitive interface for basic and advanced calculations. Users can personalize the look with customizable themes and colors for a tailored experience. Enjoy smooth, user-friendly operation and quick, reliable results on the go.

**Highlights:** Customizable themes, Sleek and modern interface, Fast calculations, User-friendly experience, Share or print results

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $1.99 | one-time |


### CheckLaterReminder

[App page](https://appshunter.io/ios/app/checklaterreminder/id6449452698)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPocket Calculator free?

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

### Is CheckLaterReminder free?

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

### Do iPocket Calculator or CheckLaterReminder have ads?

CheckLaterReminder shows ads; iPocket Calculator does not.

### Which is updated more often, iPocket Calculator or CheckLaterReminder?

iPocket Calculator ships an update every 10 months, and CheckLaterReminder every 3 weeks. Most recently, iPocket Calculator was updated on October 21, 2026 and CheckLaterReminder on October 16, 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.*