# Neuron IoT vs Fill4Me

The clearest difference is update cadence: Fill4Me at every 3 days against Neuron IoT's every 2 weeks. 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.

Neuron IoT ships an update every 2 weeks, Fill4Me every 3 days. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Neuron IoT | Fill4Me |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 55 MB | 76 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neuron Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1607701439) | [Aman Gupta](https://appshunter.io/developer/6809135961) |

## What reviewers say

### Neuron IoT

[App page](https://appshunter.io/ios/app/neuron-iot/id1664630415)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fill4Me

[App page](https://appshunter.io/ios/app/fill4me-auto-fill-forms/id6809135959)

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

**In-app purchases:** none


## Frequently asked questions

### Is Neuron IoT free?

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

### Is Fill4Me free?

Fill4Me is free to download, with no in-app purchases.

### Do Neuron IoT or Fill4Me have ads?

Neither Neuron IoT nor Fill4Me shows ads.

### Which is updated more often, Neuron IoT or Fill4Me?

Neuron IoT ships an update every 2 weeks, and Fill4Me every 3 days. Most recently, Neuron IoT was updated on October 18, 2026 and Fill4Me on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*