# TimerOn vs PessTech

The clearest difference is update cadence: PessTech at every 2 weeks against TimerOn's every 28 months. TimerOn's advantage is iOS requirement (15.0 vs 17.0). 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, PessTech every 2 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TimerOn | PessTech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 40 MB | 107 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gewiss S.p.A.](https://appshunter.io/developer/978344889) | [PessTechnologies](https://appshunter.io/developer/945694270) |

## 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


### PessTech

[App page](https://appshunter.io/ios/app/pesstech/id6498715323)

**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 PessTech free?

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

### Do TimerOn or PessTech have ads?

Neither TimerOn nor PessTech shows ads.

### Which is updated more often, TimerOn or PessTech?

TimerOn ships an update every 28 months, and PessTech every 2 weeks. Most recently, TimerOn was updated on October 1, 2026 and PessTech on October 9, 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.*