Heatmap Studio vs Energy Logger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heatmap Studio
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Heatmap Studio shows a table of numbers as a color heatmap. You can start from a blank grid, paste a table, or import a CSV or TSV file. You can edit cells and labels, choose colors, and view basic figures such as the minimum, maximum, and average. Projects are stored in the app on this device. You can export a PNG image or a CSV file. The colors are there to help you view the numbers. Please check important numbers yourself.
Energy Logger
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.
- 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
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Each of us have our natural energy rhythm (e.g. early birds vs. night owl, caffeine reaction, nap time, etc.). Energy Logger is the app for the analytical minds who want to use data to understand their natural energy pattern through the day. Here are some key features: 1) the app reminds you to record your energy level every 15 minutes or other intervals at your choice. 2) the app allow you to record the activities such as coffee, water, exercise, study, nap, and supplement 3) the data will be plotted on graph so you can analyze them at a glance. 4) you can export the data with one click.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Heatmap Studio | Energy Logger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 12 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 5 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Japality Limited | Hello Juggler LLC |
In-app purchases
Heatmap Studio
No in-app purchases
Energy Logger
No in-app purchases
