# Diamond C vs WundertreOS

Diamond C and WundertreOS 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.

Diamond C ships an update every 3 weeks, WundertreOS monthly. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Diamond C | WundertreOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wundertreos/id6784879906/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 37 MB | 64 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asset Management and Protection, LLC](https://appshunter.io/developer/1672680569) | [WunderTRE, LLC](https://appshunter.io/developer/6784879908) |

## What reviewers say

### Diamond C

[App page](https://appshunter.io/ios/app/diamond-c/id6746577707)

**Features:** macOS Compatibility

**In-app purchases:** none


### WundertreOS

[App page](https://appshunter.io/ios/app/wundertreos/id6784879906)

This comprehensive business operating system helps manage contacts, close deals, record and transcribe meetings, and run marketing campaigns. It offers an AI assistant for action items and follow-ups, a CRM to track leads, and reporting for sales and campaign performance.

**Highlights:** AI meeting transcription and action item extraction, Contact management with activity history, Deal tracking through customizable pipeline stages, Social media post scheduling and campaign planning, Sales, lead, and campaign performance reporting, Team management and secure sign-in

**In-app purchases:** none


## Frequently asked questions

### Is Diamond C free?

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

### Is WundertreOS free?

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

### Do Diamond C or WundertreOS have ads?

Neither Diamond C nor WundertreOS shows ads.

### Which is updated more often, Diamond C or WundertreOS?

Diamond C ships an update every 3 weeks, and WundertreOS monthly. Most recently, Diamond C was updated on October 1, 2026 and WundertreOS on October 12, 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.*