# TrustCall vs Building Office Admin

The clearest difference is update cadence: TrustCall at every 5 weeks against Building Office Admin's every 3 months. Building Office Admin's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

TrustCall ships an update every 5 weeks, Building Office Admin every 3 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TrustCall | Building Office Admin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 37 MB | 85 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LEEON CYBER SECURITY JOINT STOCK COMPANY](https://appshunter.io/developer/1731666930) | [S - TECH TECHNOLOGY LIMITED COMPANY](https://appshunter.io/developer/1619489979) |

## What reviewers say

### TrustCall

[App page](https://appshunter.io/ios/app/trustcall/id6470878918)

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

**In-app purchases:** none


### Building Office Admin

[App page](https://appshunter.io/ios/app/building-office-admin/id6756100626)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrustCall free?

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

### Is Building Office Admin free?

Building Office Admin is free to download, with no in-app purchases.

### Do TrustCall or Building Office Admin have ads?

Neither TrustCall nor Building Office Admin shows ads.

### Which is updated more often, TrustCall or Building Office Admin?

TrustCall ships an update every 5 weeks, and Building Office Admin every 3 months. Most recently, TrustCall was updated on October 3, 2026 and Building Office Admin on October 4, 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.*