# Heatmap Studio vs Energy Logger

The clearest difference is ads: Energy Logger at none against Heatmap Studio's shown. Energy Logger also leads on update cadence (every 3 days vs every 12 months). Heatmap Studio's advantage is iOS requirement (17.0 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Heatmap Studio ships an update every 12 months, Energy Logger every 3 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Heatmap Studio | Energy Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/energy-logger/id6761427168/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 5 MB | 11 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Japality Limited](https://appshunter.io/developer/1574046707) | [Hello Juggler LLC](https://appshunter.io/developer/1886564182) |

## What reviewers say

### Heatmap Studio

[App page](https://appshunter.io/ios/app/heatmap-studio/id6753347701)

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

**In-app purchases:** none


### Energy Logger

[App page](https://appshunter.io/ios/app/energy-logger/id6761427168)

This app helps analytical individuals understand their natural daily energy patterns. It prompts users to log energy levels and activities, then visualizes the data on graphs for easy analysis. Export your findings with a single click.

**Highlights:** Record energy levels at custom intervals, Log activities like coffee, exercise, and naps, Visualize data on graphs, Export data with one click, Analyze personal energy rhythms

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

**In-app purchases:** none


## Frequently asked questions

### Is Heatmap Studio free?

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

### Is Energy Logger free?

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

### Do Heatmap Studio or Energy Logger have ads?

Heatmap Studio shows ads; Energy Logger does not.

### Which is updated more often, Heatmap Studio or Energy Logger?

Heatmap Studio ships an update every 12 months, and Energy Logger every 3 days. Most recently, Heatmap Studio was updated on October 29, 2026 and Energy Logger on October 28, 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.*