# Happy Place Science vs Caffeine Tracker

The clearest difference is in-app purchases: Happy Place Science at none against Caffeine Tracker's 2. Happy Place Science also leads on iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Caffeine Tracker sells 2 in-app purchases, starting at $6.99 per year. Happy Place Science asks for nothing beyond the download.

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

Happy Place Science ships an update every 11 days, Caffeine Tracker every 8 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Happy Place Science | Caffeine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/happy-place-science/id6443703600/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/caffeine-tracker-doppio/id6758040507/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 45 MB | 25 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Amplitudo doo](https://appshunter.io/developer/1245653030) | [MOBILE CODING FACTORY DOO](https://appshunter.io/developer/1590013609) |

## What reviewers say

### Happy Place Science

[App page](https://appshunter.io/ios/app/happy-place-science/id6443703600)

This app helps companies monitor and reduce employee stress through guided meditation and relaxation exercises. It offers daily stress level tracking, expert-assigned meditations and tests, and provides reports on user progress. The goal is to boost motivation and productivity by managing stress.

**Highlights:** Daily stress level monitoring, Expert-guided meditations, Expert-assigned tests, Tips and advice, Calendar and schedule overview, Progress reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-doppio/id6758040507)

This app helps you track your caffeine intake and understand its impact on your sleep. It provides personalized insights into your caffeine metabolism, allowing you to build better habits and brew coffee like a pro. Syncs with Apple Health for comprehensive sleep analysis.

**Highlights:** Log caffeine intake with custom drinks, Personalized metabolism curve and half-life, Caffeine level forecasts, Sleep rating and efficiency tracking, Brewing calculator and timer, Apple Health integration, Detox planner

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doppio Pro Yearly | $6.99 | per year |
| Doppio Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Happy Place Science free?

Happy Place Science is free to download, with no in-app purchases.

### Is Caffeine Tracker free?

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

### Which has better reviews, Happy Place Science or Caffeine Tracker?

Happy Place Science and Caffeine Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Happy Place Science or Caffeine Tracker have ads?

Neither Happy Place Science nor Caffeine Tracker shows ads.

### Which is updated more often, Happy Place Science or Caffeine Tracker?

Happy Place Science ships an update every 11 days, and Caffeine Tracker every 8 days. Most recently, Happy Place Science was updated on November 3, 2026 and Caffeine Tracker on October 31, 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.*