# Neutron AI vs Fields

The clearest difference is in-app purchases: Neutron AI at none against Fields's 1. Neutron AI also leads on update cadence (every 2 weeks vs every 5 weeks). Fields's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fields sells 1 one-off in-app purchase. Neutron AI asks for nothing beyond the download.

Neutron AI ships an update every 2 weeks, Fields every 5 weeks. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Neutron AI | Fields |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/neutron-ai/id6452385663/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 44 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Haynes Technology Group LLC](https://appshunter.io/developer/1698865651) | [Gaurav Rangnekar](https://appshunter.io/developer/1895760720) |

## What reviewers say

### Neutron AI

[App page](https://appshunter.io/ios/app/neutron-ai/id6452385663)

Engage in conversations with custom AI personalities, generate images, analyze your surroundings with AI vision, and create AI-generated speech. Some features are free with no ads, while others have minimal ads.

**Highlights:** Custom AI personalities, AI image generation, AI vision for object identification and translation, AI speech synthesis, Ad-free AI texting, Privacy-focused with no sign-up

**In-app purchases:** none


### Fields

[App page](https://appshunter.io/ios/app/fields-secure-notes-and-vault/id6764572947)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fields Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Neutron AI free?

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

### Is Fields free?

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

### Do Neutron AI or Fields have ads?

Neutron AI shows ads; Fields does not.

### Which is updated more often, Neutron AI or Fields?

Neutron AI ships an update every 2 weeks, and Fields every 5 weeks. Most recently, Neutron AI was updated on September 25, 2026 and Fields on October 6, 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.*