# KammyTask vs VoltDo

The clearest difference is update cadence: KammyTask at every 4 days against VoltDo's every 5 weeks. KammyTask also leads on iOS requirement (16.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. KammyTask sells 1 in-app purchase, starting at $3.99 per month and VoltDo sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for KammyTask against 5.0 for VoltDo. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

KammyTask ships an update every 4 days, VoltDo every 5 weeks. The most recent releases landed on October 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KammyTask | VoltDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kammytask-energy-based-tasks/id6741113699/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/voltdo-energy-to-do-list/id6757859325/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Freemium | Freemium |
| Size | 120 MB | 15 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Vivifyze LLC](https://appshunter.io/developer/1776865593) | [Johanna Hoppe](https://appshunter.io/developer/1869099620) |

## What reviewers say

### KammyTask

[App page](https://appshunter.io/ios/app/kammytask-energy-based-tasks/id6741113699)

This task manager adapts to your energy levels, hiding overwhelming tasks on low-energy days. It breaks down large tasks into manageable steps and logs self-care activities as progress. Designed for those with unpredictable energy, it avoids guilt-inducing notifications and focuses on positive reinforcement.

**Highlights:** Energy level-based task filtering, AI-powered task creation from voice notes, Automatic breakdown of large tasks, Logging of rest and self-care as progress, Guilt-free notifications and progress tracking, Flexible task list that adapts to daily capacity

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per month |


### VoltDo

[App page](https://appshunter.io/ios/app/voltdo-energy-to-do-list/id6757859325)

This app helps you manage your tasks by considering your personal energy levels. It filters tasks by effort and warns you against overcommitting to prevent burnout. Focus on what you can handle now and find your productive flow.

**Highlights:** Filter tasks by energy effort (Light, Medium, Heavy), Focus Mode to hide overwhelming tasks, Anti-burnout warnings for overcommitment, Smart widgets for home screen task visibility, Personalized energy management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltDo Pro Monthly | $0.99 | per month |
| VoltDo Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is KammyTask free?

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

### Is VoltDo free?

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

### Which has better reviews, KammyTask or VoltDo?

KammyTask and VoltDo are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do KammyTask or VoltDo have ads?

Neither KammyTask nor VoltDo shows ads.

### Which is updated more often, KammyTask or VoltDo?

KammyTask ships an update every 4 days, and VoltDo every 5 weeks. Most recently, KammyTask was updated on October 28, 2026 and VoltDo on October 12, 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.*