Comparison

Sleep Guard vs Celestial Sleep

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

Head to head

Sleep Tracker

About

Sleep Guard

Read full description

Sleep Guard lets you precisely track your sleep while capturing important context - no Apple Watch required! Fall asleep when you need to using the guided breathing exercise. Get visual insights into your activity and synchronize your data with Apple Health. Export your sleep data as CSV. Start improving your well-being by ensuring you get the sleep you need, now!

About

Celestial Sleep

Features

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This is a companion app for our contactless smart sleep products, which can be used to view sleep reports, set up abnormal alarm, and control heating and massage functions.

Screenshots

Sleep Guard4 screens

Celestial Sleep4 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Guard at none against Celestial Sleep's 3. Celestial Sleep's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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. Celestial Sleep sells 3 one-off in-app purchases. Sleep Guard asks for nothing beyond the download.

UpkeepUpdate frequency

Sleep Guard ships an update every 3 weeks, Celestial Sleep fortnightly. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 4 level

Sleep Guard versus Celestial Sleep: the parameters behind the verdict, then further details
Parameter	Sleep Guard	Celestial Sleep
Price	Free	Free
Update frequency	Every 3 weeks	Fortnightly — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	17.0	15.0 — better
Further details — not scored
Size	1 MB	32 MB
Age rating	4+	4+
Developer	Joshua Pusch	Celestial, Inc.

In-app purchases

None

Sleep Guard

No in-app purchases

3 purchases

Celestial Sleep

One-time3

Guardian (Month)$0.99
Guardian (Quarter)$1.99
Guardian (Year)$9.99

Questions

Is Sleep Guard free?

Sleep Guard is free to download, with no in-app purchases.

Is Celestial Sleep free?

Celestial Sleep is free to download, with in-app purchases available.

Do Sleep Guard or Celestial Sleep have ads?

Neither Sleep Guard nor Celestial Sleep shows ads.

Which is updated more often, Sleep Guard or Celestial Sleep?

Sleep Guard ships an update every 3 weeks, and Celestial Sleep fortnightly. Most recently, Sleep Guard was updated on October 5, 2026 and Celestial Sleep on October 2, 2026.