# HackLens vs Photographer Diary, StudioBook

The clearest difference is ads: HackLens at none against Photographer Diary, StudioBook's shown. Photographer Diary, StudioBook's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases, device support 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.

HackLens ships an update monthly, Photographer Diary, StudioBook every 6 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | HackLens | Photographer Diary, StudioBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Size | 33 MB | 49 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Azz-eddine BERRAMOU](https://appshunter.io/developer/1860545158) | [Suvagiya Harsh](https://appshunter.io/developer/1863741459) |

## What reviewers say

### HackLens

[App page](https://appshunter.io/ios/app/hacklens-hacker-news-reader/id6756418153)

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

**In-app purchases:** none


### Photographer Diary, StudioBook

[App page](https://appshunter.io/ios/app/photographer-diary-studiobook/id6756928994)

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

**In-app purchases:** none


## Frequently asked questions

### Is HackLens free?

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

### Is Photographer Diary, StudioBook free?

Photographer Diary, StudioBook is free to download, with no in-app purchases.

### Do HackLens or Photographer Diary, StudioBook have ads?

Photographer Diary, StudioBook shows ads; HackLens does not.

### Which is updated more often, HackLens or Photographer Diary, StudioBook?

HackLens ships an update monthly, and Photographer Diary, StudioBook every 6 days. Most recently, HackLens was updated on November 9, 2026 and Photographer Diary, StudioBook on November 9, 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.*