# Protege Mobile vs BLine Mobile

The clearest difference is review sentiment: BLine Mobile at 100% against Protege Mobile's 17%. BLine Mobile also leads on rating (4.5 vs 2.7) and update cadence (every 3 weeks vs every 4 months). Protege Mobile's advantage is iOS requirement (14.0 vs 16.2). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Protege Mobile sells 1 one-off in-app purchase and BLine Mobile sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

BLine Mobile holds the better App Store score, 4.5 against 2.7. Both are backed by a comparable volume of ratings — 13 and 8 respectively. Written reviews point the same way: 17% of Protege Mobile's written reviews are positive against 100% of BLine Mobile's.

Protege Mobile ships an update every 4 months, BLine Mobile every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Protege Mobile | BLine Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (13 ratings)](https://appshunter.io/ios/app/protege-mobile/id1134719924/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/bline-mobile/id1153367118/reviews)** |
| Number of ratings | **13** | 8 |
| Positive reviews | 17.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 4 MB |
| Requires iOS | **14.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Integrated Control Technology Limited](https://appshunter.io/developer/420800746) | [Blue Sparrow Systems Limited](https://appshunter.io/developer/1153367117) |

## What reviewers say

### Protege Mobile

[App page](https://appshunter.io/ios/app/protege-mobile/id1134719924)

Monitor and control your building's security and systems remotely from your smartphone. Arm or disarm alarms, manage doors, lights, heating, and view camera feeds from anywhere, anytime. Receive instant alerts for system activity.

**Highlights:** Remote system monitoring, Arm/disarm alarms, Control doors and locks, Manage lights and heating, View camera feeds, Receive push notifications

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Push Notifications | $11.99 | one-time |


### BLine Mobile

[App page](https://appshunter.io/ios/app/bline-mobile/id1153367118)

Easily create visual comparisons of text changes from your mobile device. This tool is ideal for reviewing documents, discussing edits, or sending feedback. It also offers an extension for blacklining directly from other applications.

**Highlights:** Create blacklines from electronic or paper text, Review documents and discuss changes, Send comments and feedback, Extension for blacklining from other apps, Mobile document comparison tool

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BLine Monthly | $0.99 | per month |
| BLine Annual | $5.49 | per year |


## Frequently asked questions

### Is Protege Mobile free?

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

### Is BLine Mobile free?

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

### Which has better reviews, Protege Mobile or BLine Mobile?

BLine Mobile is rated higher. Protege Mobile averages 2.7 out of 5 from 13 ratings, while BLine Mobile averages 4.5 from 8 ratings.

### Do Protege Mobile or BLine Mobile have ads?

Neither Protege Mobile nor BLine Mobile shows ads.

### Which is updated more often, Protege Mobile or BLine Mobile?

Protege Mobile ships an update every 4 months, and BLine Mobile every 3 weeks. Most recently, Protege Mobile was updated on October 20, 2026 and BLine Mobile on October 24, 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.*