# Book vs LensWorkflow

The clearest difference is in-app purchases: Book at none against LensWorkflow's 4. Book also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. LensWorkflow sells 4 one-off in-app purchases. Book asks for nothing beyond the download.

Book ships an update every 3 days, LensWorkflow fortnightly. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Book | LensWorkflow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 38 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marlenus, LLC](https://appshunter.io/developer/1780343114) | [James Thompson](https://appshunter.io/developer/1883412886) |

## What reviewers say

### Book

[App page](https://appshunter.io/ios/app/book-me/id6738625204)

**Features:** macOS Compatibility

**In-app purchases:** none


### LensWorkflow

[App page](https://appshunter.io/ios/app/lensworkflow/id6760280110)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LensFlow Pro | $3.99 | one-time |
| LensFlow Pro+ | $4.99 | one-time |
| LensFlow Pro (Annual) | $39.99 | one-time |
| LensFlow Pro+ (Annual) | $49.99 | one-time |


## Frequently asked questions

### Is Book free?

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

### Is LensWorkflow free?

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

### Do Book or LensWorkflow have ads?

Neither Book nor LensWorkflow shows ads.

### Which is updated more often, Book or LensWorkflow?

Book ships an update every 3 days, and LensWorkflow fortnightly. Most recently, Book was updated on October 6, 2026 and LensWorkflow 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.*