# TimerOn vs SIGMA BG

The clearest difference is update cadence: SIGMA BG at every 11 months against TimerOn's every 28 months. SIGMA BG also leads on iOS requirement (11.0 vs 15.0). 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.

TimerOn ships an update every 28 months, SIGMA BG every 11 months. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | TimerOn | SIGMA BG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 11 months** |
| Monetization | Free | — |
| Size | 40 MB | 26 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gewiss S.p.A.](https://appshunter.io/developer/978344889) | [ID&A S.r.l.](https://appshunter.io/developer/1446283055) |

## What reviewers say

### TimerOn

[App page](https://appshunter.io/ios/app/timeron/id1453174710)

Manage and program GEWISS 90 TMR digital time switches directly from your smartphone or tablet using Bluetooth. Create daily and weekly ON/OFF schedules, synchronize settings, and update time switch configurations remotely.

**Highlights:** Bluetooth time switch management, Create daily/weekly ON/OFF programs, Synchronize and copy time switch settings, Update date, hour, and localization, Command relay status (temporary, permanent, random)

**In-app purchases:** none


### SIGMA BG

[App page](https://appshunter.io/ios/app/sigma-bg/id6752767809)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimerOn free?

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

### Is SIGMA BG free?

SIGMA BG is free to download, with no in-app purchases.

### Do TimerOn or SIGMA BG have ads?

Neither TimerOn nor SIGMA BG shows ads.

### Which is updated more often, TimerOn or SIGMA BG?

TimerOn ships an update every 28 months, and SIGMA BG every 11 months. Most recently, TimerOn was updated on October 1, 2026 and SIGMA BG on September 26, 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.*