# ITB Inbox vs Client Check

The clearest difference is update cadence: Client Check at weekly against ITB Inbox's every 6 weeks. On price, ads, 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.

ITB Inbox ships an update every 6 weeks, Client Check weekly. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ITB Inbox | Client Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (6 ratings)](https://appshunter.io/ios/app/itb-inbox/id6741428619/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 127 MB | 45 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [PlanHub](https://appshunter.io/developer/1631169352) | [John Neal](https://appshunter.io/developer/1885530060) |

## What reviewers say

### ITB Inbox

[App page](https://appshunter.io/ios/app/itb-inbox/id6741428619)

Manage Invitation to Bid (ITB) emails from PlanHub efficiently. Receive instant notifications for new bids, view project details, and communicate directly with General Contractors. Streamline your construction bidding process on the go.

**Highlights:** Instant ITB notifications, View project details and files, Direct communication with contractors, Quick bid decision making, Team ITB assignment, Integrated PlanHub messaging

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

**In-app purchases:** none


### Client Check

[App page](https://appshunter.io/ios/app/client-check/id6760653973)

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

**In-app purchases:** none


## Frequently asked questions

### Is ITB Inbox free?

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

### Is Client Check free?

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

### Do ITB Inbox or Client Check have ads?

Neither ITB Inbox nor Client Check shows ads.

### Which is updated more often, ITB Inbox or Client Check?

ITB Inbox ships an update every 6 weeks, and Client Check weekly. Most recently, ITB Inbox was updated on October 4, 2026 and Client Check on October 3, 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.*