# FieldServiceOS vs AllSync CRM

The clearest difference is in-app purchases: AllSync CRM at none against FieldServiceOS's 1. AllSync CRM also leads on iOS requirement (16.4 vs 18.6). FieldServiceOS's advantage is update cadence (every 2 days vs every 4 days). On price, ads and device support there is nothing between them.

Both are free to download. FieldServiceOS sells 1 in-app purchase, starting at $14.99 per month. AllSync CRM asks for nothing beyond the download.

FieldServiceOS ships an update every 2 days, AllSync CRM every 4 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | FieldServiceOS | AllSync CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 22 MB | 37 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Aitor Recalde](https://appshunter.io/developer/1805666679) | [David Miller](https://appshunter.io/developer/1859119348) |

## What reviewers say

### FieldServiceOS

[App page](https://appshunter.io/ios/app/fieldserviceos/id6755404926)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $14.99 | per month |


### AllSync CRM

[App page](https://appshunter.io/ios/app/allsync-crm/id6790646783)

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

**In-app purchases:** none


## Frequently asked questions

### Is FieldServiceOS free?

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

### Is AllSync CRM free?

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

### Do FieldServiceOS or AllSync CRM have ads?

Neither FieldServiceOS nor AllSync CRM shows ads.

### Which is updated more often, FieldServiceOS or AllSync CRM?

FieldServiceOS ships an update every 2 days, and AllSync CRM every 4 days. Most recently, FieldServiceOS was updated on October 1, 2026 and AllSync CRM on October 1, 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.*