# Zero Bond vs CONTRA

The clearest difference is rating: CONTRA at 5.0 against Zero Bond's 4.3. CONTRA also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). Zero Bond's advantage is iOS requirement (15.1 vs 26.0). On price, ratings volume, 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.

CONTRA holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 8 and 11 respectively.

Zero Bond ships an update every 2 months, CONTRA every 4 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Zero Bond | CONTRA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (8 ratings)](https://appshunter.io/ios/app/zero-bond/id1486235163/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/contra-by-invitation/id6761870083/reviews)** |
| Number of ratings | 8 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Ad-supported | **Free** |
| Size | 26 MB | 40 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [PeopleVine](https://appshunter.io/developer/1548245069) | [House of Contra](https://appshunter.io/developer/1891877748) |

## What reviewers say

### Zero Bond

[App page](https://appshunter.io/ios/app/zero-bond/id1486235163)

This private mobile application allows members to access exclusive club information, make reservations, and manage their membership. Explore club details and book member programming with ease.

**Highlights:** Explore club details, Secure reservations, Book member programming, Manage membership

**Features:** macOS Compatibility

**In-app purchases:** none


### CONTRA

[App page](https://appshunter.io/ios/app/contra-by-invitation/id6761870083)

Discover and book exclusive events in major cities or host your own. This platform connects people through real-world experiences, leveraging technology for meaningful connections beyond social media.

**Highlights:** Curated event calendar, Host events with PR capabilities, Real-world connections, Event marketing tools, Exclusive access to top events

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero Bond free?

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

### Is CONTRA free?

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

### Which has better reviews, Zero Bond or CONTRA?

CONTRA is rated higher. Zero Bond averages 4.3 out of 5 from 8 ratings, while CONTRA averages 5.0 from 11 ratings.

### Do Zero Bond or CONTRA have ads?

Zero Bond shows ads; CONTRA does not.

### Which is updated more often, Zero Bond or CONTRA?

Zero Bond ships an update every 2 months, and CONTRA every 4 days. Most recently, Zero Bond was updated on October 26, 2026 and CONTRA on October 28, 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.*