Best Free Diary Sleep Apps

248+ iOS apps curated and reviewed

4.3 avg rating

20 free apps

Updated October 2026

Whether you're new to free diary sleep or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Free Diary Sleep Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Sleep Tracker: Sleep Diary	Free	—	No	Yes	Aug 2026
2	Sleep Diary & Bedtime Tracker	Free	—	Yes	No	Sep 2026
3	Baby Diary: Sleep+	Free	4.8★ (146)	Yes	Yes	Oct 2026
4	Easy Sleep Diary	Free	3.8★ (15)	No	No	May 2026
5	Diary With Password	Free	4.7★ (27K)	No	Yes	Oct 2026
6	Sleep: Sounds & Meditation	Free	4.6★ (9.6K)	No	No	Oct 2026
7	Simple Diary, Journal, Notes	Free	4.8★ (172)	Yes	No	Oct 2026
8	Sleep Diary App	Free	3.5★ (23)	No	Yes	May 2026

Top Picks for Free Diary Sleep

#1

Sleep Tracker: Sleep Diary by Ramazan Erikli

Sleep Tracking & Sleep Trends

Editor's Choice

💪 Health & Fitness

0.0(0 ratings)

FreeIn-App Purchases

Sleep Tracker: Sleep Diary screenshot 1

Sleep Tracker: Sleep Diary screenshot 2

Sleep Tracker: Sleep Diary screenshot 3

Sleep Tracker: Sleep Diary screenshot 4

#2

Sleep Diary & Bedtime Tracker by Seulki Eom

Sleep journal & insomnia log

Strong Contender

💪 Health & Fitness

0.0(0 ratings)

FreeAds

Sleep Diary & Bedtime Tracker screenshot 1

Sleep Diary & Bedtime Tracker screenshot 2

Sleep Diary & Bedtime Tracker screenshot 3

Sleep Diary & Bedtime Tracker screenshot 4

#3

Baby Diary: Sleep+ by Pavel Goncharov

Helping to improve sleep

Worth Considering

4.8(146 ratings)

FreeAdsIn-App Purchases

Baby Diary: Sleep+ screenshot 1

Baby Diary: Sleep+ screenshot 2

Baby Diary: Sleep+ screenshot 3

Baby Diary: Sleep+ screenshot 4

Baby Diary: Sleep+ screenshot 5

Baby Diary: Sleep+ screenshot 6

This app helps new parents track and improve their baby's sleep patterns. It logs sleep sessions, calculates wakefulness, and offers guidance on sleep standards. The tool also allows for detailed notes, event tracking, and statistical analysis to address sleepless nights.

More Free Diary Sleep apps to explore

Easy Sleep Diary

Easy Sleep Diary

Easy Sleep Diary

by Simon lebech Cichosz

Easily record your sleep duration and quality with just a few clicks. Visualize your sleep patterns through simple graphs and list views. Share your data or create backups for your records.

Log sleep durationRecord sleep qualitySimple graph view

💪 Health & Fitness

Diary With Password

Diary With Password

Diary With Password

No Ads Journal Diary Notebook

This app provides a private digital space to record daily thoughts, emotions, and life events. It offers robust security features like password and biometric locks, alongside tools for organizing, searching, and exporting your entries. Enjoy a customizable and ad-free journaling experience.

Password and biometric securityDaily entry loggingFull text search

📊 Productivity

free with in-app purchases

Sleep: Sounds & Meditation

Sleep: Sounds & Meditation

Sleep: Sounds & Meditation

Bedtime Stories, Fall Asleep

This app helps you fall asleep faster and stay asleep longer with soothing sounds, music, and guided meditations. Create a calming atmosphere to unwind and achieve relaxation goals like reducing anxiety.

Soothing sounds and musicProfessionally recorded melodiesGuided sleep meditations

💪 Health & Fitness

Simple Diary, Journal, Notes

Simple Diary, Journal, Notes

Simple Diary, Journal, Notes

Simple and cool diary app

This app offers a straightforward and aesthetically pleasing way to maintain a daily journal. Designed for users seeking simplicity, it avoids complex settings for an intuitive and stress-free journaling experience.

Simple daily diary keepingEasy-to-use interfaceBeautiful and clean design

Sleep Diary App

Sleep Diary App

Sleep Diary App

Journal with Bedtime Reminders

Easily log your sleep durations to analyze your health and become more conscious of your sleep patterns. This app integrates with Apple Health to share your sleep data seamlessly. iPhone 6 users can also track atmospheric pressure changes during sleep.

Log sleep durationsAnalyze sleep healthConnect with Apple Health

💪 Health & Fitness

free with in-app purchases

Secret Diary With Passcode

Secret Diary With Passcode

Secret Diary With Passcode

This app provides a secure and user-friendly platform to record your daily life, emotions, and secrets. It offers features like password protection, mood selection, and photo attachments to help you preserve your memories privately.

Password protectionAdd photos to entriesSelect moods for entries

free with in-app purchases

Sleep Diary & Journal: Sopora

Sleep Diary & Journal: Sopora

Sleep Diary & Journal: Sopora

Tracker, Log, Rest & Insomnia

Manually log your sleep, including bedtime, wake time, and how rested you feel. Track interrupted nights, dreams, and lifestyle factors like caffeine and stress. View clear trends and receive weekly reports to understand your sleep patterns.

Manual sleep loggingDream diary integrationLifestyle factor tagging

💪 Health & Fitness

Diary - Journal with password

Diary - Journal with password

Diary - Journal with password

Beautiful diary with password

This app provides a secure and beautiful space to record your thoughts, plans, and life moments. Protect your entries with a password and enjoy a customizable interface with features like image support and PDF export.

Password protection with PINAdd/edit/remove imagesSearch functionality

free with in-app purchases

The Sleep Diary

The Sleep Diary

The Sleep Diary

Sleep Research & Clinical Tool

This app collects sleep-related symptoms and behaviors for research participants. Access is restricted to those enrolled in studies by Dr. Anne Richards at the San Francisco VA Medical Center, requiring a unique login. It offers daily assessments, a calendar for missed entries, and data summaries.

Research study enrollment requiredDaily sleep symptom assessmentsCalendar for missed entries

Sleep Tracker: Diary & Log

Sleep Tracker: Diary & Log

Sleep Tracker: Diary & Log

Bedtime, Sleep Quality & Rest

💪 Health & Fitness

Better Sleep Diary & Tracker

Better Sleep Diary & Tracker

Better Sleep Diary & Tracker

Track & Improve your Sleep

Log your nightly sleep details and factors that may impact it. See trends over time with simple charts and summaries to understand patterns and make better decisions about your sleep.

Record nightly sleep detailsNote impacting factorsAdd custom notes

💪 Health & Fitness

Restful: CBT-i Insomnia Diary

Restful: CBT-i Insomnia Diary

Restful: CBT-i Insomnia Diary

Sleep Therapy Tracker Journal

This app offers an affordable way to practice Cognitive Behavioral Therapy for Insomnia (CBT-i). It guides users through evidence-based techniques to improve sleep, build better habits, and manage stress. Track your sleep, complete daily lessons, and optimize your sleep efficiency over several weeks.

Sleep diary with efficiency scoringSleep restriction and stimulus control techniquesPsychoeducation on insomnia causes

Sleep Ledger: Sleep Diary

Sleep Ledger: Sleep Diary

Sleep Ledger: Sleep Diary

10-second journal & trends

💪 Health & Fitness

Snore Timeline: Sleep Tracker

Snore Timeline: Sleep Tracker

Snore Timeline: Sleep Tracker

Snore & Sleep Talking Recorder

Understand your sleep patterns with on-device processing. Detect snoring, sleep talking, and breathing disruptions. Get insights into sleep stages and nightly scores, all while ensuring complete privacy.

Snore DetectionVisual Snore TimelineBreathing Pause Detection

💪 Health & Fitness

Secure Daily Diary

Secure Daily Diary

Secure Daily Diary

Private journal with passcode

Capture your thoughts and memories securely with a private journal. Protect your entries with a passcode, Face ID, or Touch ID. Enjoy a customizable experience with various themes and icons, all stored locally and synced via iCloud.

Passcode, Face ID, or Touch ID protectionLocal storage and iCloud syncNo third-party servers or sign-ups

free with in-app purchases

Diary with Lock- Daily Journal

Diary with Lock- Daily Journal

Diary with Lock- Daily Journal

Diary with Lock: Daily Journal

Securely record your thoughts, feelings, and memories with a password or facial ID lock. Features auto-save, auto-sync to the cloud, and offline journaling. Personalize entries with various tools and export them as PDFs with a premium subscription.

Password and facial ID lockAuto-save and auto-syncCloud backup for data recovery

Diamond Diary Notes With Lock

Diamond Diary Notes With Lock

Diamond Diary Notes With Lock

Secret Journal with Password

Securely record your thoughts, memories, and ideas in a private digital journal. Personalize entries with photos, emoticons, and custom fonts. Protect your secrets with password, pattern, or biometric locks.

Password/Biometric LockAdd Photos & EmoticonsCustomizable Fonts & Backgrounds

📊 Productivity

free with in-app purchases