# Solid Planner vs Calendar & Todo List

The clearest difference is update cadence: Calendar & Todo List at every 4 days against Solid Planner's monthly. Solid Planner's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Solid Planner sells 2 one-off in-app purchases and Calendar & Todo List sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Solid Planner ships an update monthly, Calendar & Todo List every 4 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Solid Planner | Calendar & Todo List |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (12 ratings)](https://appshunter.io/ios/app/solid-planner-timer-plus-agenda/id6499594033/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Paid | — |
| Size | 20 MB | 10 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solid Apps S.R.L.](https://appshunter.io/developer/1653740418) | [Ali Talha Karanfil](https://appshunter.io/developer/1580286108) |

## What reviewers say

### Solid Planner

[App page](https://appshunter.io/ios/app/solid-planner-timer-plus-agenda/id6499594033)

This app helps you plan your day with a simple timer and agenda. It offers an AI review of your week, providing stats and insights to help you achieve your goals. Purchase it once to own it forever.

**Highlights:** Daily timer with task management, Goal pursuit tracking, AI weekly review and stats, One-time purchase, no subscriptions, Cross-device support (Mac, iPhone, iPad)

**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 |


### Calendar & Todo List

[App page](https://appshunter.io/ios/app/calendar-and-todo-list-edin/id6760183779)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One+ Weekly | $1.99 | per 7 days |
| One+ Monthly | $4.99 | per month |
| One+ Annual | $49.99 | per year |
| One+ Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Solid Planner free?

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

### Is Calendar & Todo List free?

Calendar & Todo List is free to download, with in-app purchases available.

### Do Solid Planner or Calendar & Todo List have ads?

Neither Solid Planner nor Calendar & Todo List shows ads.

### Which is updated more often, Solid Planner or Calendar & Todo List?

Solid Planner ships an update monthly, and Calendar & Todo List every 4 days. Most recently, Solid Planner was updated on October 24, 2026 and Calendar & Todo List 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.*