# Radar Toolkit vs Klender Pro Calendar

The clearest difference is price: Radar Toolkit at Free against Klender Pro Calendar's $0.99. Radar Toolkit also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 1). Klender Pro Calendar's advantage is iOS requirement (12.0 vs 14.0). On update cadence, ads and device support there is nothing between them.

Radar Toolkit is free to download; Klender Pro Calendar costs $0.99 up front. Klender Pro Calendar sells 1 one-off in-app purchase. Radar Toolkit asks for nothing beyond the download.

Radar Toolkit holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Radar Toolkit has 11 ratings behind it against 1, so its average is the more settled of the two.

Radar Toolkit ships an update monthly, Klender Pro Calendar every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Radar Toolkit | Klender Pro Calendar |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/radar-toolkit/id1179413551/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/klender-pro-calendar/id1508858177/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free** | Paid |
| Size | 10 MB | 44 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Radar Labs, Inc.](https://appshunter.io/developer/1179413550) | [Toni Granados Martinez](https://appshunter.io/developer/1207780952) |

## What reviewers say

### Radar Toolkit

[App page](https://appshunter.io/ios/app/radar-toolkit/id1179413551)

This app allows users to test Radar's location data infrastructure, including geofences, places, and trip tracking. It enables foreground testing and background notifications for various location events. A Radar account is required to use the service.

**Highlights:** Foreground testing of location events, Background notifications for events, Test Geofences, Places, Regions, Beacons, Monitor Trip Tracking and Fraud detection, View state and events in real-time

**Features:** macOS Compatibility

**In-app purchases:** none


### Klender Pro Calendar

[App page](https://appshunter.io/ios/app/klender-pro-calendar/id1508858177)

Organize your personal and professional life with a dynamic and intuitive calendar. It features a visually appealing interface with emojis and offers advanced options like calendar grouping, event repetition, and participant sharing.

**Highlights:** Calendar grouping, Event creation and modification, Customizable calendar icons with emojis, Recurring event setup, Participant management and sharing, Export to CSV and PDF, iOS calendar synchronization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klender Premium | $2.99 | one-time |


## Frequently asked questions

### Is Radar Toolkit free?

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

### Is Klender Pro Calendar free?

Klender Pro Calendar costs $0.99, and also offers in-app purchases.

### Which has better reviews, Radar Toolkit or Klender Pro Calendar?

Radar Toolkit is rated higher. Radar Toolkit averages 5.0 out of 5 from 11 ratings, while Klender Pro Calendar averages 1.0 from 1 ratings.

### Do Radar Toolkit or Klender Pro Calendar have ads?

Neither Radar Toolkit nor Klender Pro Calendar shows ads.

### Which is updated more often, Radar Toolkit or Klender Pro Calendar?

Radar Toolkit ships an update monthly, and Klender Pro Calendar every 6 weeks. Most recently, Radar Toolkit was updated on November 2, 2026 and Klender Pro Calendar on November 3, 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.*