# Gflex Control vs Decibell

The clearest difference is in-app purchases: Gflex Control at none against Decibell's 1. Gflex Control also leads on iOS requirement (15.1 vs 17.0). Decibell's advantage is update cadence (every 3 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. Decibell sells 1 in-app purchase, starting at $19.99 per month. Gflex Control asks for nothing beyond the download.

Gflex Control ships an update weekly, Decibell every 3 days. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Gflex Control | Decibell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 48 MB | 42 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GCODE ILERI TEKNOLOJI YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/1534531919) | [ODBS LLC](https://appshunter.io/developer/1816580215) |

## What reviewers say

### Gflex Control

[App page](https://appshunter.io/ios/app/gflex-control/id6740334491)

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

**In-app purchases:** none


### Decibell

[App page](https://appshunter.io/ios/app/decibell-second-phone-number/id6747923627)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibell Pro | $19.99 | per month |


## Frequently asked questions

### Is Gflex Control free?

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

### Is Decibell free?

Decibell is free to download, with in-app purchases available.

### Do Gflex Control or Decibell have ads?

Neither Gflex Control nor Decibell shows ads.

### Which is updated more often, Gflex Control or Decibell?

Gflex Control ships an update weekly, and Decibell every 3 days. Most recently, Gflex Control was updated on September 22, 2026 and Decibell on September 8, 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.*