# Callentra vs WFF Inbox

The clearest difference is in-app purchases: WFF Inbox at none against Callentra's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Callentra sells 1 in-app purchase, starting at $14.99 per month. WFF Inbox asks for nothing beyond the download.

Callentra ships an update every 2 weeks, WFF Inbox every 3 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Callentra | WFF Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 29 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jake green](https://appshunter.io/developer/1845576374) | [Car Comparison LTD](https://appshunter.io/developer/1656096007) |

## What reviewers say

### Callentra

[App page](https://appshunter.io/ios/app/callentra/id6753898112)

Streamline your auto detailing operations with this app. It manages bookings, clients, quotes, and invoicing, freeing up your time. Track business performance and gain insights into customer acquisition channels.

**Highlights:** Branded booking page, Client CRM, Job scheduling, Invoicing, Business performance tracking, Quote generation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Callentra Business Plan | $14.99 | per month |


### WFF Inbox

[App page](https://appshunter.io/ios/app/wff-inbox/id6790561486)

**In-app purchases:** none


## Frequently asked questions

### Is Callentra free?

Callentra is free to download, with in-app purchases available.

### Is WFF Inbox free?

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

### Do Callentra or WFF Inbox have ads?

Neither Callentra nor WFF Inbox shows ads.

### Which is updated more often, Callentra or WFF Inbox?

Callentra ships an update every 2 weeks, and WFF Inbox every 3 weeks. Most recently, Callentra was updated on October 9, 2026 and WFF Inbox on October 5, 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.*