# Lehigh CRM vs Simple Calendar (Plan Todo)

The clearest difference is in-app purchases: Lehigh CRM at none against Simple Calendar (Plan Todo)'s 1. Lehigh CRM also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Simple Calendar (Plan Todo) sells 1 one-off in-app purchase. Lehigh CRM asks for nothing beyond the download.

Lehigh CRM ships an update every 2 weeks, Simple Calendar (Plan Todo) every 6 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lehigh CRM | Simple Calendar (Plan Todo) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lehigh-crm/id1669721767/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 38 MB | 75 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Stampa Solutions LLC](https://appshunter.io/developer/1666486455) | [Huy Huynh](https://appshunter.io/developer/1815003126) |

## What reviewers say

### Lehigh CRM

[App page](https://appshunter.io/ios/app/lehigh-crm/id1669721767)

This calendar application helps you manage important dates and tasks across all your personal devices. It offers a secure way to track your schedule, with an upcoming sign-up feature for registered users and an integrated chat function for enhanced connectivity.

**Highlights:** Cross-device accessibility, Secure credential utilization, Upcoming sign-up feature, Integrated chat functionality, Task and date tracking, Location information request

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Calendar (Plan Todo)

[App page](https://appshunter.io/ios/app/simple-calendar-plan-todo/id6746109019)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Lehigh CRM free?

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

### Is Simple Calendar (Plan Todo) free?

Simple Calendar (Plan Todo) is free to download, with in-app purchases available.

### Do Lehigh CRM or Simple Calendar (Plan Todo) have ads?

Simple Calendar (Plan Todo) shows ads; Lehigh CRM does not.

### Which is updated more often, Lehigh CRM or Simple Calendar (Plan Todo)?

Lehigh CRM ships an update every 2 weeks, and Simple Calendar (Plan Todo) every 6 weeks. Most recently, Lehigh CRM was updated on October 24, 2026 and Simple Calendar (Plan Todo) on October 30, 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.*