Simple Sleep Timer for Babies vs GreatDays
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Sleep Timer for Babies
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When you are caring for a baby, recording sleep should take one tap—not another complicated routine. Simple Sleep Timer for Babies is built for Apple Watch, so you can start or stop a sleep session right from your wrist, even when your hands are full. SEE WHAT MATTERS AT A GLANCE • Check whether your baby is asleep or awake and how long the current stretch has lasted • See total sleep today and review recent sleep and awake sessions • View a simple seven-day chart, daily average, and longest sleep stretch • Open a complete history and delete an incorrect session whenever needed RIGHT ON YOUR WATCH FACE Add Baby Sleep to supported Apple Watch complication slots or the Smart Stack. The current state and elapsed time stay easy to see without opening the app. ASK SIRI Use Siri to start sleep, mark your baby awake, or check the current sleep status. It is a quick, hands-free option during feeding, rocking, or a late-night wake-up. MADE FOR TIRED PARENTS Large controls, clear colors, Dynamic Type, and VoiceOver support keep the app easy to use across Apple Watch sizes and accessibility settings. The interface is available in English, Simplified Chinese, Traditional Chinese, French, German, Japanese, and Korean. PRIVATE BY DESIGN Your sleep history is stored locally on your Apple Watch. There is no account, no advertising, and no external server collecting your baby's routine. You can reset all stored data at any time from About. Simple Sleep Timer focuses on one job: helping you understand your baby's sleep without making your day more complicated.
GreatDays
This app allows you to add important life events directly to your Apple Watch. It calculates the remaining days until these events, with support for various complications to view information at a glance.
- Add important life days to Apple Watch
- Calculate remaining days until events
- Supports multiple watch complications
- Independent Apple Watch app functionality
- View event information at a glance
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GreatDays is a fully functional independent Apple Watch App. You can add the important days of your life directly to your watch, and it will help you calculate the corresponding days. GreatDays supports almost all complication that you can lift your hand to see and touch.
Verdict
The clearest difference is price: GreatDays at Free against Simple Sleep Timer for Babies's $4.99. GreatDays also leads on device support (4 vs 2) and iOS requirement (13.0 vs 18.0). On update cadence, 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
GreatDays is free to download; Simple Sleep Timer for Babies costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Simple Sleep Timer for Babies ships an update every 6 months, GreatDays every 5 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | Simple Sleep Timer for Babies | GreatDays |
|---|---|---|
| Price | $4.99 | Free — better |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Talkabout Design LLC | 远平 张 |
In-app purchases
Simple Sleep Timer for Babies
No in-app purchases
GreatDays
No in-app purchases
Questions
Is Simple Sleep Timer for Babies free?
Is GreatDays free?
Do Simple Sleep Timer for Babies or GreatDays have ads?
Which is updated more often, Simple Sleep Timer for Babies or GreatDays?
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