# Mercury Smart vs Gravity Ball Timer

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.

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.

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.

## The numbers

| Metric | Mercury Smart | Gravity Ball Timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (296 ratings)](https://appshunter.io/ios/app/mercury-smart/id1584993396/reviews)** | — |
| Number of ratings | **296** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free | — |
| Size | 192 MB | 18 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Empresarial Mercury S.A.S.](https://appshunter.io/developer/1584993398) | [LexiNexiAI Private Limited](https://appshunter.io/developer/1786390241) |

## What reviewers say

### Mercury Smart

[App page](https://appshunter.io/ios/app/mercury-smart/id1584993396)

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:** macOS Compatibility

**In-app purchases:** none


### Gravity Ball Timer

[App page](https://appshunter.io/ios/app/gravity-ball-timer/id6745581287)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*