Comparison

Sleep Pact vs SemiSleep

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

Head to head
About

Sleep Pact

Features
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How many times have you promised, β€œI’ll sleep early tonight,” but ended up scrolling past midnight? Sleep Pact helps you turn good intentions into real habits. With Sleep Pact, you can: Bedtime reminder app – Get alerts when it’s time to go to bed. Sleep tracker app – Log each night and see your consistency grow. Healthy sleep habits – Earn points and feel motivated to improve. Better sleep planner – Visualize your sleep routine and track progress. Sleep Pact is more than a reminderβ€”it’s a pact you sign with yourself for better rest, sharper focus, and a healthier lifestyle. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lijunchenapp.com/SleepPactprivacy.html

About

SemiSleep

Features
Read full description

SemiSleep is a quiet bedtime meter for people who want to make the most of every day. There are plenty of alarm apps and sleep trackers. SemiSleep looks at the other side of the day: the time you have left before bed. Set your bedtime, and SemiSleep shows how much waking time remains through calm, visual meters on your iPhone, iPad, Home Screen widgets, Lock Screen widgets, and Apple Watch. You may be surprised how short a day feels when the time you can stay awake is made visible. Main Features: - Home Screen and Lock Screen widgets - Bedtime and wake-up time settings - Visual meters that make remaining time easy to feel at a glance - Apple Watch support - Weekday-based schedules - One-day bedtime and wake-up adjustments - Multiple meter styles and themes - Unlock additional designs with SemiSleep Plus

Screenshots

Sleep Pact3 screens
SemiSleep4 screens

Verdict

The call

The clearest difference is update cadence: SemiSleep at daily against Sleep Pact's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Sleep Pact sells 5 in-app purchases, starting at $1.99 per month and SemiSleep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sleep Pact ships an update monthly, SemiSleep daily. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

Scorecard1 real difference Β· 5 level
Sleep Pact versus SemiSleep: the parameters behind the verdict, then further details
ParameterSleep PactSemiSleep
PriceFreeFree
Update frequencyMonthlyDaily β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, Apple Watch β€” better
Requires iOS18.017.0 β€” better
Further details β€” not scored
Size19 MB8 MB
Age rating4+4+
Developer俊辰 黎Takuya Harayama

In-app purchases

5 purchases

Sleep Pact

Subscriptions2
  • Monthly Membership$1.991 Month
  • Annual Membership$9.991 Year
One-time3
  • Health Energy +10,000$0.99
  • Health Energy +100,000$3.99
  • Lifetime Membership$12.99
1 purchases

SemiSleep

One-time1
  • SemiSleep Plus$3.99

Questions

Is Sleep Pact free?
Sleep Pact is free to download, with in-app purchases available.
Is SemiSleep free?
SemiSleep is free to download, with in-app purchases available.
Do Sleep Pact or SemiSleep have ads?
Neither Sleep Pact nor SemiSleep shows ads.
Which is updated more often, Sleep Pact or SemiSleep?
Sleep Pact ships an update monthly, and SemiSleep daily. Most recently, Sleep Pact was updated on September 9, 2026 and SemiSleep on September 18, 2026.

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