The Sleep Project vs Bottle Cap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Sleep Project
This app enhances your sleep through educational content and evidence-based tools. It offers structured programs for various sleep challenges, from insomnia to infant sleep, and is designed for participants of specific online coaching programs.
- Free educational content
- Evidence-based sleep tools
- Structured sleep improvement programs
- Tailored solutions for individual needs
- Programs for insomnia relief
- Infant sleep support
- Sleep for peak performance
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The Sleep Project app is an education-only sleep resource for adults, parents and carers. Created by our clinician-led team, it brings together practical, evidence-based tools to help you better understand sleep and build healthier habits. Inside the app: Adult Sleep Resources: videos, breathwork, meditations, yoga nidra, noise tracks, routines and practical sleep tools Baby & Child Sleep Resources: videos and guides on naps, regressions, teething, trapped wind, feeding and common sleep challenges Sleep Stories Blog: articles on insomnia, jet lag, menopause and sleep, infant sleep, circadian health, clock changes and more Check Your Sleep Symptoms: a short educational quiz to help you reflect on your sleep and receive general guidance and signposting Available in English and Spanish. Important: This app is for educational purposes only. It is not a medical device and does not diagnose, treat, cure, monitor or prevent any condition. It does not replace advice from a doctor or qualified healthcare professional. Always seek professional advice for medical concerns or before making significant changes to your sleep or health.
Bottle Cap
Easily log your alcohol intake to encourage more mindful drinking. Set personal weekly limits and track your progress with a simple, intuitive interface. Your data is kept private and synced securely with your health app.
- Effortless drink logging
- Personalized weekly limits
- Intuitive progress visualization
- Secure Health app sync
- Private data storage
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The simplest way to more mindful drinking. Bottle Cap is focussed on making logging your alcohol intake quick and easy. Forget about calculating measures or alcohol strength; it's the alcohol tracking app you'll actually use. Set your weekly limit, tap to log a drink, and keep an eye or your intake. All synced securely to Health. EFFORTLESS DRINK LOGGING Tap to log a single drink or an entire session. It's fast, easy, and super simple. PERSONALISE YOUR LIMIT Choose a weekly limit that feels right for you, no judgement. FUN AND INTUITIVE DESIGN See your remaining drink allowance at a glance. SEE YOUR JOURNEY Track your entries directly in Bottle Cap or jump into Health for a more detailed historic view. PRIVATE AND SECURE Bottle Cap never tracks you. Your data stays on your device, syncing only with Health. ABSOLUTELY FREE No hidden fees or pay-walls. Created to support better drinking habits, not to turn a profit. Bottle Cap is the easiest way to keep tabs on your alcohol intake, start your journey to mindful drinking today.
Screenshots
Verdict
The clearest difference is update cadence: Bottle Cap at every 3 weeks against The Sleep Project's every 2 months. The Sleep Project's advantage is iOS requirement (15.1 vs 18.6). On price, review sentiment, ads and in-app purchases 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.
The Sleep Project ships an update every 2 months, Bottle Cap every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | The Sleep Project | Bottle Cap |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (15 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 15 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 22 MB | 20 MB |
| Age rating | 4+ | 17+ |
| Developer | The Sleep Project Limited | Richard Picot |
Customer experience
The Sleep Project
Bottle Cap
In-app purchases
The Sleep Project
No in-app purchases
Bottle Cap
No in-app purchases
Questions
Is The Sleep Project free?
Is Bottle Cap free?
Do The Sleep Project or Bottle Cap have ads?
Which is updated more often, The Sleep Project or Bottle Cap?
Other comparisons
