# My Willis Tower vs Calven

The clearest difference is ratings volume: My Willis Tower at 19 against Calven's 6. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calven holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 19 and 6 respectively. Written reviews point the same way: 14% of My Willis Tower's written reviews are positive against 22% of Calven's.

My Willis Tower ships an update fortnightly, Calven every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | My Willis Tower | Calven |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (19 ratings)](https://appshunter.io/ios/app/my-willis-tower/id1453048584/reviews) | **[3.0 (6 ratings)](https://appshunter.io/ios/app/calven/id1578799247/reviews)** |
| Number of ratings | **19** | 6 |
| Positive reviews | 14.3% of reviews | **22.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free | Free |
| Size | 176 MB | 165 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Equity Office Management, LLC](https://appshunter.io/developer/1452918677) | [Calven Pty Limited](https://appshunter.io/developer/1578799249) |

## What reviewers say

### My Willis Tower

[App page](https://appshunter.io/ios/app/my-willis-tower/id1453048584)

Explore the iconic building and its amenities. Discover upcoming events, book meeting spaces, and find local offers. Your guide to the building's offerings.

**Highlights:** View upcoming events, Request meeting room bookings, Discover local perks, Building information access

**Features:** Apple Wallet

**In-app purchases:** none


### Calven

[App page](https://appshunter.io/ios/app/calven/id1578799247)

Manage hybrid work schedules, book office resources, and optimize your workplace experience. This app helps you set work preferences, see colleague availability, and access company services.

**Highlights:** Manage hybrid work schedules, Book desks and rooms, See colleague availability, Access company services, Personalize work experience, Schedule office visits

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is My Willis Tower free?

My Willis Tower is free to download, with no in-app purchases.

### Is Calven free?

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

### Which has better reviews, My Willis Tower or Calven?

Calven is rated higher. My Willis Tower averages 2.8 out of 5 from 19 ratings, while Calven averages 3.0 from 6 ratings.

### Do My Willis Tower or Calven have ads?

Neither My Willis Tower nor Calven shows ads.

### Which is updated more often, My Willis Tower or Calven?

My Willis Tower ships an update fortnightly, and Calven every 11 days. Most recently, My Willis Tower was updated on October 24, 2026 and Calven on October 25, 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.*