# Underload vs Calda

The clearest difference is price: Calda at Free against Underload's $4.99. On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Calda is free to download; Underload costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Underload ships an update monthly, Calda fortnightly. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Underload | Calda |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/underload/id6475277279/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 58 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anuradha Vellineni](https://appshunter.io/developer/1539259961) | [SEUNGAH JO](https://appshunter.io/developer/1820544330) |

## What reviewers say

### Underload

[App page](https://appshunter.io/ios/app/underload/id6475277279)

This productivity app helps you focus by displaying only one task at a time from your to-do list. It syncs seamlessly with Apple Reminders, allowing you to manage tasks across all your devices and use familiar voice commands and shortcuts.

**Highlights:** Single task display, Syncs with Apple Reminders, Cross-device synchronization, Supports Siri and Shortcuts, Linear task progression

**Features:** Vision Pro support

**In-app purchases:** none


### Calda

[App page](https://appshunter.io/ios/app/calda-journal-calendar/id6785528505)

This app combines your calendar and journal, allowing you to manage your schedule and record daily memories. It offers seamless syncing with existing calendars and provides multiple ways to capture moments, transforming your past into a personalized visual diary.

**Highlights:** Calendar and journal integration, Syncs with Apple Calendar, Morning schedule briefings, Capture moments with text, photos, drawings, Dual schedule and record views, Unified monthly and yearly views, Home screen widgets

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

**In-app purchases:** none


## Frequently asked questions

### Is Underload free?

Underload costs $4.99, with no in-app purchases.

### Is Calda free?

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

### Do Underload or Calda have ads?

Neither Underload nor Calda shows ads.

### Which is updated more often, Underload or Calda?

Underload ships an update monthly, and Calda fortnightly. Most recently, Underload was updated on October 27, 2026 and Calda on October 22, 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.*