# Solid Calendar vs Secure Planner

The clearest difference is price: Solid Calendar at Free against Secure Planner's $1.99. Secure Planner's advantage is in-app purchases (none vs 2) and update cadence (weekly vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

Solid Calendar is free to download; Secure Planner costs $1.99 up front. Solid Calendar sells 2 one-off in-app purchases. Secure Planner asks for nothing beyond the download.

Solid Calendar ships an update fortnightly, Secure Planner weekly. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Solid Calendar | Secure Planner |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (119 ratings)](https://appshunter.io/ios/app/solid-calendar/id6448245807/reviews)** | — |
| Number of ratings | **119** | — |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Paid | — |
| Size | 19 MB | 23 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solid Apps S.R.L.](https://appshunter.io/developer/1653740418) | [Christian Scheub](https://appshunter.io/developer/1722270501) |

## What reviewers say

### Solid Calendar

[App page](https://appshunter.io/ios/app/solid-calendar/id6448245807)

This app helps you manage your time, tasks, and events with a natural language interface. It acts as a digital planner, rotating schedule manager, and reminder system, syncing with your existing device calendars for seamless organization.

**Highlights:** Add events with natural language input, Calendar planner with intuitive interface, Digital planner for tasks and to-do lists, Rotating schedule management, Quick join for video calls, Reminders and smart notifications, Multiple layout options

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock this app (lifetime) | $4.99 | one-time |
| Unlock ALL 10 Solid Apps (lifetime) | $9.99 | one-time |

**What reviewers like**

- ✨ Brilliant app overall
- 👍 Easy to use interface
- 🎨 Visually appealing design
- 💰 Affordable one-time purchase
- 🚀 Fast loading and performance

**What reviewers complain about**

- 🤔 Account required for sync
- 📅 Weekly view horizontal events
- 🐛 Sync issues with date
- ❓ Widgets feel like afterthought
- 🐛 App crashes after update

**Reported bugs**

- Date is a day behind in Australia
- Jumps back to today's date when viewing future dates
- App crashes every time after last update
- Changing daily event time affects rest of week incorrectly
- Weekly view shows all-day events horizontally like timed events

**Requested features**

- Display checkmarks for finished appointments
- Better task management landing pad, floating to-dos
- Option to display little checkmarks for finished appointments
- Floating to-do's on widget page
- Option to display little checkmarks for finished appointments


### Secure Planner

[App page](https://appshunter.io/ios/app/secure-planner-easy-organizer/id6478185630)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solid Calendar free?

Solid Calendar is free to download, with in-app purchases available.

### Is Secure Planner free?

Secure Planner costs $1.99, with no in-app purchases.

### Do Solid Calendar or Secure Planner have ads?

Neither Solid Calendar nor Secure Planner shows ads.

### Which is updated more often, Solid Calendar or Secure Planner?

Solid Calendar ships an update fortnightly, and Secure Planner weekly. Most recently, Solid Calendar was updated on October 7, 2026 and Secure Planner on October 11, 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.*