Comparison

Opro9 SmartDiaper vs Numah.AI

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

Head to head
About

Opro9 SmartDiaper

This app connects to a wearable sensor to detect when a baby wets their diaper. It sends timely notifications to parents, providing information on temperature and humidity levels, and tracks diaper changes. It acts as a high-tech assistant for caretakers.

Highlights
  • Bluetooth sensor connection
  • Diaper wetness detection
  • Timely parent notifications
  • Child temperature and humidity monitoring
  • Diaper change statistics
  • Connect to multiple sensors
Read full description

This app is used to connect to the Opro9 SmartDiaper Wearable Sensor via Bluetooth Low Energy (Bluetooth 4.0). Designed for busy moms and dads, it detects when a child wets his or her diaper, and then notifies parents in a timely manner to change the diaper, keeping the child more comfortable. The Opro9 SmartDiaper wearable is a humidity and temperature sensing device. The device attaches to diapers via a velcro-like texturing on its soft, outer shell. When a parent’s smart device is connected to the Opro9 SmartDiaper Wearable Sensor via the Opro9 SmartDiaper App, he or she can receive instant notifications about when a baby wets the diaper. This way parents can attend to their child quickly. The Opro9 SmartDiaper app can connect to multiple sensors at one time, and provides: • Information on each child's temperature and humidity levels • Notifications when a child wets the diaper • Statistics on how often a child pees, and how often the child's diaper is getting changed Opro9 SmartDiaper is your high-tech assistant caretaker!

About

Numah.AI

Features
Read full description

Lullaby transforms bedwetting management with smart sensor technology that alerts parents instantly while tracking patterns for long-term progress. Reclaim peaceful nights and build confidence with personalized insights that help families overcome bedwetting challenges together.

Screenshots

Opro9 SmartDiaper4 screens
Numah.AI4 screens

Verdict

The call

The clearest difference is update cadence: Numah.AI at every 11 days against Opro9 SmartDiaper's monthly. Opro9 SmartDiaper's advantage is iOS requirement (12.4 vs 15.1). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Opro9 SmartDiaper ships an update monthly, Numah.AI every 11 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Opro9 SmartDiaper versus Numah.AI: the parameters behind the verdict, then further details
ParameterOpro9 SmartDiaperNumah.AI
PriceFreeFree
Rating2.5 (2 ratings) — better—
Positive reviews22.2% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.4 — better15.1
Further details — not scored
Size30 MB24 MB
Age rating4+4+
DeveloperCviLux CorporationGuy Levy

In-app purchases

None

Opro9 SmartDiaper

No in-app purchases

None

Numah.AI

No in-app purchases

Questions

Is Opro9 SmartDiaper free?
Opro9 SmartDiaper is free to download, with no in-app purchases.
Is Numah.AI free?
Numah.AI is free to download, with no in-app purchases.
Do Opro9 SmartDiaper or Numah.AI have ads?
Neither Opro9 SmartDiaper nor Numah.AI shows ads.
Which is updated more often, Opro9 SmartDiaper or Numah.AI?
Opro9 SmartDiaper ships an update monthly, and Numah.AI every 11 days. Most recently, Opro9 SmartDiaper was updated on October 22, 2026 and Numah.AI on October 25, 2026.

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