# ClientFlow vs Pocket Client Book

The clearest difference is device support: ClientFlow at 4 against Pocket Client Book's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ClientFlow sells 6 in-app purchases, starting at $0.99 per 7 days and Pocket Client Book sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ClientFlow ships an update weekly, Pocket Client Book every 2 weeks. The most recent releases landed on October 28, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | ClientFlow | Pocket Client Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 25 MB | 15 MB |
| Requires iOS | **16** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [pcltd](https://appshunter.io/developer/1457816117) | [Artem Danylov](https://appshunter.io/developer/6778438593) |

## What reviewers say

### ClientFlow

[App page](https://appshunter.io/ios/app/clientflow-booking-and-clients/id6760292220)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Monthly No Trial | $2.99 | per month |
| Premium | $4.99 | per month |
| Premium Yearly | $29.99 | per year |
| Premium Yearly | $44.99 | per year |
| Premium Lifetime | $69.99 | one-time |


### Pocket Client Book

[App page](https://appshunter.io/ios/app/pocket-client-book-diary/id6780065737)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Client Book PRO Monthly | $4.99 | per month |
| Pocket Client Book PRO Yearly | $29.99 | per year |
| Pocket Client Book PRO Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is ClientFlow free?

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

### Is Pocket Client Book free?

Pocket Client Book is free to download, with in-app purchases available.

### Do ClientFlow or Pocket Client Book have ads?

Neither ClientFlow nor Pocket Client Book shows ads.

### Which is updated more often, ClientFlow or Pocket Client Book?

ClientFlow ships an update weekly, and Pocket Client Book every 2 weeks. Most recently, ClientFlow was updated on October 28, 2026 and Pocket Client Book on November 1, 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.*