Comparison

Simtek Sensors vs Cosmetic Clock

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

Head to head
About

Simtek Sensors

Monitor remote locations without Wi-Fi or power. Receive instant alerts on your phone when a sensor is triggered, enhancing security and peace of mind. Features include customizable messages, alert history, and low battery notifications.

Highlights
  • Remote space monitoring without Wi-Fi
  • Instant phone alerts (approx. 20 seconds)
  • Customizable alert messages
  • Alert history tracking
  • Low battery notifications
  • Signal strength and battery status
Features
Read full description

Companion app for the Simtek StealthALERT Security Sensor. Monitor any remote space without needing WIFI or electrical outlets. Protect what you love. Alerts your phone in about 20 seconds when the sensor is triggered. Enhance your security, awareness and peace of mind. Features: · Easy setup: scan QR Code and you're done · Customize alert messages · See alert history · Unsubscribe from alerts · Track location (triangulation) · Low battery alerts · See signal strength, battery, and trigger source · Third party subscriber notifications - get a push alert if someone subscribes to your sensor without you knowing If you experience any bugs or have feedback and questions please email help@simtek.io Leave detailed information with a screenshot.

About

Cosmetic Clock

Features
Read full description

Cosmetic Clock is your beauty product tracker Track expiry dates for makeup and beauty products — no guesswork. Add a few products and let your routine run on autopilot — save time, waste less, feel in control. Highlights • Smart alerts: 30/7/1-day reminders — no last-minute scramble. • Color-coded status: See priorities at a glance. • Photo + name: Never confuse shades and products again. • Opening date & PAO log: Start the countdown when you tap “Opened.” • One-tap replace: Send expired items to your replacements list. • Optional hygiene nudges: Brush/sponge cleaning cycles. • Privacy: Your beauty inventory and photos are yours only. Why download now • Health & safety: Overdue items may increase acnes/irritation/bacterial infections and reduce effectiveness—especially mascara/eyeliner, foundation, and SPF. • Save money: Finish products on time instead of tossing half-full bottles. • Less mental load: A clean makeup reminder answers “When did I open this?” Try it today! Install and add products to feel instant control over your beauty routine. You can find EULA here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Simtek Sensors4 screens
Cosmetic Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Simtek Sensors at none against Cosmetic Clock's 2. Simtek Sensors also leads on iOS requirement (16.0 vs 18.6). Cosmetic Clock's advantage is update cadence (every 5 days vs every 5 weeks). 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. Cosmetic Clock sells 2 in-app purchases, starting at $1.99 per month. Simtek Sensors asks for nothing beyond the download.

UpkeepUpdate frequency

Simtek Sensors ships an update every 5 weeks, Cosmetic Clock every 5 days. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
Simtek Sensors versus Cosmetic Clock: the parameters behind the verdict, then further details
ParameterSimtek SensorsCosmetic Clock
PriceFreeFree
Rating4.9 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 weeksEvery 5 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhoneiPhone
Requires iOS16.0 — better18.6
Further details — not scored
Size7 MB19 MB
Age rating4+12+
DeveloperSimtek, Inc.İnteryu Yazılım Ticaret A.Ş.

In-app purchases

None

Simtek Sensors

No in-app purchases

2 purchases

Cosmetic Clock

Subscriptions2
  • Cosmetic Clock Pro Monthly$1.991 Month
  • Cosmetic Clock Pro Yearly$9.991 Year

Questions

Is Simtek Sensors free?
Simtek Sensors is free to download, with no in-app purchases.
Is Cosmetic Clock free?
Cosmetic Clock is free to download, with in-app purchases available.
Do Simtek Sensors or Cosmetic Clock have ads?
Both Simtek Sensors and Cosmetic Clock show ads.
Which is updated more often, Simtek Sensors or Cosmetic Clock?
Simtek Sensors ships an update every 5 weeks, and Cosmetic Clock every 5 days. Most recently, Simtek Sensors was updated on November 2, 2026 and Cosmetic Clock on November 8, 2026.

Other comparisons