Comparison

Sleep Data Recorder vs ZYGON | Mind Spa

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sleep Data Recorder

Effortlessly track your sleep patterns and daily body weight by logging your bedtime and wake-up times. The app automatically calculates your time in bed and asleep, and syncs data with Apple's HealthKit for easy monitoring of your health progress.

Highlights
  • Sleep pattern monitoring
  • Body weight logging
  • Automatic time calculation
  • HealthKit integration
  • Simple one-button entry
Read full description

Sleep plays a vital role in your good health and well-being. Getting enough sleep can help protect your mental health, physical health and quality of life. Monitor your sleep pattern and progress with the HealthKit app on your iPhone. There's no need to remember or write down the time you went to bed or got up. With Sleep Recorder adding those data points to Apple's HealthKit is simple. Just tap the buttons and the app records the time you went to bed and got up and automatically calculates the time you were in bed and asleep. Record your daily body weight in HealthKit with Weight Recorder an easy to use selector and one button entry.

About

ZYGON | Mind Spa

Features
Read full description

Zygon Mind Spa: Relax, Sleep, and Energize Your Mind Experience a unique mind spa app designed to help you relax, de-stress, and improve your mental well-being. Using proven techniques like guided meditation, soothing soundscapes, and relaxation exercises, Zygon Mind Spa offers: Fall Asleep Faster: Guided sleep sessions and calming sounds to help you drift into restful sleep effortlessly. Stress Relief: Explore programs like “Stress Zapper” to unwind and recharge in minutes. Mental Clarity: Enhance your brainpower with sessions designed for focus, memory, and productivity. Our app uses mindfulness and relaxation techniques grounded in psychological research to create a calming experience for your mind. Key Features: A variety of guided meditation and relaxation sessions. Customizable programs for sleep, stress, and focus. User-friendly interface with easy navigation. Completely free. Transform your mind and elevate your life with Zygon Mind Spa. Perfect for anyone seeking to relax, sleep better, and improve overall well-being.

Screenshots

Sleep Data Recorder4 screens
ZYGON | Mind Spa4 screens

Verdict

The call

The clearest difference is in-app purchases: ZYGON | Mind Spa at none against Sleep Data Recorder's 1. ZYGON | Mind Spa also leads on update cadence (every 4 days vs every 6 weeks). Sleep Data Recorder's advantage is iOS requirement (9.0 vs 12.3). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sleep Data Recorder sells 1 one-off in-app purchase. ZYGON | Mind Spa asks for nothing beyond the download.

UpkeepUpdate frequency

Sleep Data Recorder ships an update every 6 weeks, ZYGON | Mind Spa every 4 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 6 level
Sleep Data Recorder versus ZYGON | Mind Spa: the parameters behind the verdict, then further details
ParameterSleep Data RecorderZYGON | Mind Spa
PriceFreeFree
Rating2.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS9.0 — better12.3
Further details — not scored
Size2 MB65 MB
Age rating4+17+
DeveloperJOHN BURKEdane spotts

In-app purchases

1 purchases

Sleep Data Recorder

One-time1
  • Weight Recorder Full Access$0.99
None

ZYGON | Mind Spa

No in-app purchases

Questions

Is Sleep Data Recorder free?
Sleep Data Recorder is free to download, with in-app purchases available.
Is ZYGON | Mind Spa free?
ZYGON | Mind Spa is free to download, with no in-app purchases.
Do Sleep Data Recorder or ZYGON | Mind Spa have ads?
Neither Sleep Data Recorder nor ZYGON | Mind Spa shows ads.
Which is updated more often, Sleep Data Recorder or ZYGON | Mind Spa?
Sleep Data Recorder ships an update every 6 weeks, and ZYGON | Mind Spa every 4 days. Most recently, Sleep Data Recorder was updated on October 3, 2026 and ZYGON | Mind Spa on October 5, 2026.

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