Comparison

Mercury Smart vs Gravity Ball Timer

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

Head to head
About

Mercury Smart

This app allows you to transform your home into a smart house by managing and controlling multiple devices from a single interface. Receive real-time alerts and easily manage lighting, electronics, and security. Automate and customize your home's functionality with voice commands.

Highlights
  • Manage multiple smart devices
  • Real-time alerts
  • Control lighting and electronics
  • Security alerts
  • Voice command integration
  • Home automation
Features
Read full description

Mercury Smart Transform your home into a smart house. Manage and control multiple devices from a single app. Receive real-time alerts about what’s happening in your home or business. Easily manage lighting, electronic devices, and security alerts. Use voice commands to control compatible devices. Monitor, automate, and customize your home’s functionality.

About

Gravity Ball Timer

Features
Read full description

Gravity Ball Timer is a realistic hourglass simulator that responds to the way you move your device. Tilt your iPhone to control the flow of colorful balls as they fall through a glass timer, just like a real hourglass. This app provides a calm and minimal experience, combining visual feedback with interactive physics. It’s not just a timer — it’s a relaxing way to pause, focus, and reset. Features: • Approximately one-minute timer experience • Acts like a real timer — rotate your device to reset • Colored balls fall using real-world gravity simulation • Minimal user interface and distractions • Elegant wooden frame and soft glass visuals Perfect for classrooms, focus sessions, meditation, or simply taking a visual break. Gravity Ball Timer brings the analog hourglass to your digital world.

Screenshots

Mercury Smart4 screens
Gravity Ball Timer3 screens

Verdict

The call

The clearest difference is price: Mercury Smart at Free against Gravity Ball Timer's $0.99. Mercury Smart also leads on iOS requirement (13.0 vs 18.4). Gravity Ball Timer's advantage is update cadence (daily vs every 5 weeks). 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

Mercury Smart is free to download; Gravity Ball Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mercury Smart ships an update every 5 weeks, Gravity Ball Timer daily. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Mercury Smart versus Gravity Ball Timer: the parameters behind the verdict, then further details
ParameterMercury SmartGravity Ball Timer
PriceFree — better$0.99
Rating4.7 (296 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings296 — better—
Update frequencyEvery 5 weeksDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better18.4
Further details — not scored
Size192 MB18 MB
Age rating4+4+
DeveloperGrupo Empresarial Mercury S.A.S.LexiNexiAI Private Limited

In-app purchases

None

Mercury Smart

No in-app purchases

None

Gravity Ball Timer

No in-app purchases

Questions

Is Mercury Smart free?
Mercury Smart is free to download, with no in-app purchases.
Is Gravity Ball Timer free?
Gravity Ball Timer costs $0.99, with no in-app purchases.
Do Mercury Smart or Gravity Ball Timer have ads?
Neither Mercury Smart nor Gravity Ball Timer shows ads.
Which is updated more often, Mercury Smart or Gravity Ball Timer?
Mercury Smart ships an update every 5 weeks, and Gravity Ball Timer daily. Most recently, Mercury Smart was updated on November 3, 2026 and Gravity Ball Timer on October 30, 2026.

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