# aSynapse vs Halogen Sensor Mobile

aSynapse and Halogen Sensor Mobile are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

aSynapse ships an update every 2 months, Halogen Sensor Mobile every 6 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | aSynapse | Halogen Sensor Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 105 MB | 23 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paulo Silva](https://appshunter.io/developer/1478829768) | [Halogen Systems LLC](https://appshunter.io/developer/1752914846) |

## What reviewers say

### aSynapse

[App page](https://appshunter.io/ios/app/asynapse/id740748002)

**Features:** macOS Compatibility

**In-app purchases:** none


### Halogen Sensor Mobile

[App page](https://appshunter.io/ios/app/halogen-sensor-mobile/id6504582538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is aSynapse free?

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

### Is Halogen Sensor Mobile free?

Halogen Sensor Mobile is free to download, with no in-app purchases.

### Do aSynapse or Halogen Sensor Mobile have ads?

Neither aSynapse nor Halogen Sensor Mobile shows ads.

### Which is updated more often, aSynapse or Halogen Sensor Mobile?

aSynapse ships an update every 2 months, and Halogen Sensor Mobile every 6 weeks. Most recently, aSynapse was updated on October 5, 2026 and Halogen Sensor Mobile on October 3, 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.*