# TSI Mag vs SignaSource Text Imprint

The clearest difference is in-app purchases: SignaSource Text Imprint at none against TSI Mag's 1. SignaSource Text Imprint also leads on update cadence (daily vs every 16 months) and rating (5.0 vs 4.8). TSI Mag's advantage is ratings volume (16 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TSI Mag sells 1 in-app purchase, starting at $90.99 per year. SignaSource Text Imprint asks for nothing beyond the download.

SignaSource Text Imprint holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: TSI Mag has 16 ratings behind it against 2, so its average is the more settled of the two.

TSI Mag ships an update every 16 months, SignaSource Text Imprint daily. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TSI Mag | SignaSource Text Imprint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (16 ratings)](https://appshunter.io/ios/app/tsi-mag/id906479415/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/signasource-text-imprint/id1625331488/reviews)** |
| Number of ratings | **16** | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 52 MB | 1 MB |
| Requires iOS | **14.0** | 14.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Lampa](https://appshunter.io/developer/725728483) | [Michael Hammer](https://appshunter.io/developer/1590403973) |

## What reviewers say

### TSI Mag

[App page](https://appshunter.io/ios/app/tsi-mag/id906479415)

This global journal offers in-depth articles on transport security incidents, technologies, and news. It's a key resource for security professionals, featuring regular updates, industry insights, and incident reports.

**Highlights:** Global transport security coverage, Topical articles on incidents and technologies, Editor's Lead Editorial, Industry News updates, Security Calendar, TRANSPORT WATCH incident reports

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Year Digital Subscription | $90.99 | per year |


### SignaSource Text Imprint

[App page](https://appshunter.io/ios/app/signasource-text-imprint/id1625331488)

Access and manage your SignaSource Imprints directly within iMessage conversations. This business tool allows for seamless integration with your messaging workflow.

**Highlights:** iMessage integration, Access SignaSource Imprints, Business workflow enhancement, Direct messaging access

**In-app purchases:** none


## Frequently asked questions

### Is TSI Mag free?

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

### Is SignaSource Text Imprint free?

SignaSource Text Imprint is free to download, with no in-app purchases.

### Which has better reviews, TSI Mag or SignaSource Text Imprint?

SignaSource Text Imprint is rated higher. TSI Mag averages 4.8 out of 5 from 16 ratings, while SignaSource Text Imprint averages 5.0 from 2 ratings.

### Do TSI Mag or SignaSource Text Imprint have ads?

Neither TSI Mag nor SignaSource Text Imprint shows ads.

### Which is updated more often, TSI Mag or SignaSource Text Imprint?

TSI Mag ships an update every 16 months, and SignaSource Text Imprint daily. Most recently, TSI Mag was updated on November 1, 2026 and SignaSource Text Imprint on November 3, 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.*