# BLine Mobile vs Case Formatter

The clearest difference is rating: Case Formatter at 5.0 against BLine Mobile's 4.5. Case Formatter also leads on monetization model (free vs free with in-app purchases) and update cadence (every 5 days vs every 3 weeks). BLine Mobile's advantage is ratings volume (8 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Case Formatter holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: BLine Mobile has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

BLine Mobile ships an update every 3 weeks, Case Formatter every 5 days. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | BLine Mobile | Case Formatter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/bline-mobile/id1153367118/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/case-formatter/id6739440294/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 17 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Sparrow Systems Limited](https://appshunter.io/developer/1153367117) | [Yajie Li](https://appshunter.io/developer/1785323403) |

## What reviewers say

### 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 |


### Case Formatter

[App page](https://appshunter.io/ios/app/case-formatter/id6739440294)

Instantly convert text to various cases like UPPERCASE, lowercase, Title Case, and Sentence case. Features auto-paste from the clipboard and a clean, minimalist interface to boost your text formatting efficiency.

**Highlights:** Multiple text case conversions, Auto Paste from clipboard, Minimalist UI, Supports UPPERCASE, lowercase, Title Case, Sentence case, Enhances productivity

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me A Cookie | $0.99 | one-time |


## Frequently asked questions

### Is BLine Mobile free?

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

### Is Case Formatter free?

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

### Which has better reviews, BLine Mobile or Case Formatter?

Case Formatter is rated higher. BLine Mobile averages 4.5 out of 5 from 8 ratings, while Case Formatter averages 5.0 from 1 ratings.

### Do BLine Mobile or Case Formatter have ads?

Neither BLine Mobile nor Case Formatter shows ads.

### Which is updated more often, BLine Mobile or Case Formatter?

BLine Mobile ships an update every 3 weeks, and Case Formatter every 5 days. Most recently, BLine Mobile was updated on October 2, 2026 and Case Formatter on September 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.*