Comparison

Simple Sleep Timer for Babies vs eCall C

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

Head to head
About

Simple Sleep Timer for Babies

Features
Read full description

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.

About

eCall C

Features
Read full description

OTIS eCall C can call elevator via Bluetooth. The elevator would be summoned when you trigger "up & down" button in app, and then you can register the destination floor when you get into the cabin via app. Before calling elevator, you need to add OTIS elevator in the APP in advance, and enable your mobile Bluetooth. KEY FEATURES: -Summon elevator and select destination floor -Add multiple buildings and change whenever you need.

Screenshots

eCall C4 screens

Verdict

The call

The clearest difference is price: eCall C at Free against Simple Sleep Timer for Babies's $4.99. eCall C also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (12.0 vs 18.0). On ads, in-app purchases 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

eCall C 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.

UpkeepUpdate frequency

Simple Sleep Timer for Babies ships an update every 6 months, eCall C every 3 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 3 level
Simple Sleep Timer for Babies versus eCall C: the parameters behind the verdict, then further details
ParameterSimple Sleep Timer for BabieseCall C
Price$4.99Free — better
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS18.012.0 — better
Further details — not scored
Size2 MB34 MB
Age rating4+17+
DeveloperTalkabout Design LLCOtis High Rise Elevator (Shanghai) Co.,Ltd.

In-app purchases

None

Simple Sleep Timer for Babies

No in-app purchases

None

eCall C

No in-app purchases

Questions

Is Simple Sleep Timer for Babies free?
Simple Sleep Timer for Babies costs $4.99, with no in-app purchases.
Is eCall C free?
eCall C is free to download, with no in-app purchases.
Do Simple Sleep Timer for Babies or eCall C have ads?
Neither Simple Sleep Timer for Babies nor eCall C shows ads.
Which is updated more often, Simple Sleep Timer for Babies or eCall C?
Simple Sleep Timer for Babies ships an update every 6 months, and eCall C every 3 months. Most recently, Simple Sleep Timer for Babies was updated on October 18, 2026 and eCall C on October 10, 2026.

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