# DavidLian SW vs Tech ROCKS

The clearest difference is update cadence: DavidLian SW at every 3 months against Tech ROCKS's every 9 months. Tech ROCKS's advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DavidLian SW ships an update every 3 months, Tech ROCKS every 9 months. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DavidLian SW | Tech ROCKS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 633 MB | 65 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [LUCA E PAOLO BARRA SRL](https://appshunter.io/developer/1589736763) | [TechMade](https://appshunter.io/developer/1065477430) |

## What reviewers say

### DavidLian SW

[App page](https://appshunter.io/ios/app/davidlian-sw/id1589736761)

This app syncs data from a smartwatch, displaying steps, calories, heart rate, and sleep. It also delivers notifications to your watch and allows for configuration of alarms, reminders, and weather.

**Highlights:** Sync smartwatch health data, View activity history, Receive phone notifications, Configure alarms and reminders, Display weather information, Find your phone feature

**Features:** macOS Compatibility

**In-app purchases:** none


### Tech ROCKS

[App page](https://appshunter.io/ios/app/tech-rocks/id1596387521)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DavidLian SW free?

DavidLian SW is free to download, with no in-app purchases.

### Is Tech ROCKS free?

Tech ROCKS is free to download, with no in-app purchases.

### Do DavidLian SW or Tech ROCKS have ads?

Neither DavidLian SW nor Tech ROCKS shows ads.

### Which is updated more often, DavidLian SW or Tech ROCKS?

DavidLian SW ships an update every 3 months, and Tech ROCKS every 9 months. Most recently, DavidLian SW was updated on September 26, 2026 and Tech ROCKS on September 25, 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.*