# onedo vs CallKal

The clearest difference is in-app purchases: onedo at none against CallKal's 3. CallKal's advantage is update cadence (every 2 weeks vs every 8 months) and iOS requirement (15.1 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. CallKal sells 3 in-app purchases, starting at $14.99 per month. onedo asks for nothing beyond the download.

onedo ships an update every 8 months, CallKal every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | onedo | CallKal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/onedo/id6746297100/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 45 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Erik Nelson](https://appshunter.io/developer/1816102691) | [Yosef Dynin](https://appshunter.io/developer/1866562744) |

## What reviewers say

### onedo

[App page](https://appshunter.io/ios/app/onedo/id6746297100)

This productivity tool helps you focus on what matters most each day. It's designed to be an 'anti todo list' that guides you toward completing your most important tasks.

**Highlights:** Focus on daily tasks, Anti-todo list approach, Task completion guidance, Simple interface

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

**In-app purchases:** none


### CallKal

[App page](https://appshunter.io/ios/app/callkal/id6757390086)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CallKal Premium | $14.99 | per month |
| CallKal Premium | $59.99 | per 6 months |
| CallKal Premium | $129.99 | per year |


## Frequently asked questions

### Is onedo free?

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

### Is CallKal free?

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

### Do onedo or CallKal have ads?

Neither onedo nor CallKal shows ads.

### Which is updated more often, onedo or CallKal?

onedo ships an update every 8 months, and CallKal every 2 weeks. Most recently, onedo was updated on October 30, 2026 and CallKal on November 5, 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.*