# JustIN Mobile vs Mark Bookmark

The clearest difference is review sentiment: Mark Bookmark at 100% against JustIN Mobile's 25%. Mark Bookmark also leads on update cadence (every 4 days vs every 6 weeks) and rating (5.0 vs 4.6). JustIN Mobile's advantage is ratings volume (5.1K vs 2) and iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mark Bookmark holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: JustIN Mobile has 5.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of JustIN Mobile's written reviews are positive against 100% of Mark Bookmark's.

JustIN Mobile ships an update every 6 weeks, Mark Bookmark every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JustIN Mobile | Mark Bookmark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5.1K ratings)](https://appshunter.io/ios/app/justin-mobile/id960998088/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mark-bookmark/id6756251684/reviews)** |
| Number of ratings | **5.1K** | 2 |
| Positive reviews | 25.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 37 MB | 121 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Salto Systems](https://appshunter.io/developer/893918231) | [Mark Inc](https://appshunter.io/developer/1859545872) |

## What reviewers say

### JustIN Mobile

[App page](https://appshunter.io/ios/app/justin-mobile/id960998088)

This app allows users to manage building access using their smartphone. It provides digital keys for doors, elevators, and car park barriers, eliminating the need for physical keys and simplifying access control across multiple locations.

**Highlights:** Smartphone-based digital keys, Manage access to doors, elevators, barriers, Multi-site and multi-application support, Eliminates lost key issues, User-friendly interface, Store multiple digital keys

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- ⭐ Works great
- 🔑 Convenient digital key
- 🔍 Helpful widget feature

**What reviewers complain about**

- 🔌 Unreliable connectivity
- 🔒 Frequent lock-outs
- ⏱️ Slow performance
- 📱 No Apple Watch support

**Reported bugs**

- Keys randomly expire
- Widget not working on latest iOS
- Verification codes not received

**Requested features**

- Add Apple Watch app
- Integrate with Apple Wallet
- Improve guest access sharing


### Mark Bookmark

[App page](https://appshunter.io/ios/app/mark-bookmark/id6756251684)

Capture physical notes and ideas from books and printouts, turning them into organized insights. Automatically catalog your reading and search for specific passages. Chat with your highlights to trace ideas across different sources.

**Highlights:** Scan and save passages with high accuracy, Record voice notes without unlocking device, Automatic cataloging by book ISBN, Searchable library of captured content, AI chat with highlights and annotations, Integrations with Notion and Readwise, Offline capture and sync

**In-app purchases:** none


## Frequently asked questions

### Is JustIN Mobile free?

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

### Is Mark Bookmark free?

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

### Which has better reviews, JustIN Mobile or Mark Bookmark?

Mark Bookmark is rated higher. JustIN Mobile averages 4.6 out of 5 from 5.1K ratings, while Mark Bookmark averages 5.0 from 2 ratings.

### Do JustIN Mobile or Mark Bookmark have ads?

Neither JustIN Mobile nor Mark Bookmark shows ads.

### Which is updated more often, JustIN Mobile or Mark Bookmark?

JustIN Mobile ships an update every 6 weeks, and Mark Bookmark every 4 days. Most recently, JustIN Mobile was updated on October 24, 2026 and Mark Bookmark on October 25, 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.*