# CiraSync Public Folders O365 vs Neuron1

The clearest difference is update cadence: Neuron1 at every 5 days against CiraSync Public Folders O365's every 2 months. 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.

CiraSync Public Folders O365 ships an update every 2 months, Neuron1 every 5 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CiraSync Public Folders O365 | Neuron1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (10 ratings)](https://appshunter.io/ios/app/cirasync-public-folders-o365/id1187220065/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 196 MB | 655 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CiraApps Limited](https://appshunter.io/developer/1187220064) | [NeuroField, Inc.](https://appshunter.io/developer/1847952481) |

## What reviewers say

### CiraSync Public Folders O365

[App page](https://appshunter.io/ios/app/cirasync-public-folders-o365/id1187220065)

Access and synchronize Office 365 Public Folder contacts and calendars. Create, edit, and delete contacts and appointments. View Public Folder emails. Sync contacts and calendars directly to your Office 365 mailbox.

**Highlights:** Sync Public Folder contacts and calendars, Create, edit, and delete contacts/appointments, View Public Folder emails, Sync to Office 365 mailbox, Sync GAL to smartphone contacts, Sync Outlook contact subfolders (EE users)

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

**In-app purchases:** none


### Neuron1

[App page](https://appshunter.io/ios/app/neuron1/id6754340949)

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

**In-app purchases:** none


## Frequently asked questions

### Is CiraSync Public Folders O365 free?

CiraSync Public Folders O365 is free to download, with no in-app purchases.

### Is Neuron1 free?

Neuron1 is free to download, with no in-app purchases.

### Do CiraSync Public Folders O365 or Neuron1 have ads?

Neither CiraSync Public Folders O365 nor Neuron1 shows ads.

### Which is updated more often, CiraSync Public Folders O365 or Neuron1?

CiraSync Public Folders O365 ships an update every 2 months, and Neuron1 every 5 days. Most recently, CiraSync Public Folders O365 was updated on November 2, 2026 and Neuron1 on October 30, 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.*