# LIGHTmetric ONE App vs Smart Tools!

The clearest difference is update cadence: Smart Tools! at every 10 days against LIGHTmetric ONE App's every 5 months. 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.

LIGHTmetric ONE App ships an update every 5 months, Smart Tools! every 10 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | LIGHTmetric ONE App | Smart Tools! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 5 MB | 73 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Gigahertz Optik GmbH](https://appshunter.io/developer/1745074329) | [VENUSAPPS PRIVATE LIMITED](https://appshunter.io/developer/6778693632) |

## What reviewers say

### LIGHTmetric ONE App

[App page](https://appshunter.io/ios/app/lightmetric-one-app/id6502341060)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Tools!

[App page](https://appshunter.io/ios/app/smart-tools/id6784640665)

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

**In-app purchases:** none


## Frequently asked questions

### Is LIGHTmetric ONE App free?

LIGHTmetric ONE App is free to download, with no in-app purchases.

### Is Smart Tools! free?

Smart Tools! is free to download, with no in-app purchases.

### Do LIGHTmetric ONE App or Smart Tools! have ads?

Neither LIGHTmetric ONE App nor Smart Tools! shows ads.

### Which is updated more often, LIGHTmetric ONE App or Smart Tools!?

LIGHTmetric ONE App ships an update every 5 months, and Smart Tools! every 10 days. Most recently, LIGHTmetric ONE App was updated on October 19, 2026 and Smart Tools! on October 18, 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.*