SMS Signature+

SMS Signature+

By Maximilian Litteral

SMS Signature+ is a niche utility app for iOS that automatically appends custom signatures to outgoing text messages. It targets professionals and personal users seeking consistency in their mobile communication. Currently ranked #55 in Paid Social Networking (US), it offers a simple, one-time purchase solution for a specific functional gap in the iOS messaging ecosystem.

The App DNA

What makes this app unique?

For Users looking to add a professional or personal touch to their text messages by automatically appending a signature.

What does it look like?

Key features

SMS Signaturestandard

Appends a custom signature to outgoing text messages

How much does it cost?

paidOne-time purchase at $0.99

The app utilizes a low-cost, one-time purchase model, which is typical for simple utility tools that provide a single, specific function without ongoing server-side costs.

Velocity

See all version history

Who built it?

Maximilian Litteral

5 apps tracked · Social Networking

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
2.39 · 18

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for SMS Signature+

How's the Social Networking market?

Read the market outlook

The rivals identified

Personalized Message
Personalized Messageactive nemesis

By Shan Shan Liu

Both apps target users looking to customize SMS communications, though they serve different ends of the spectrum: individual signature appending versus bulk CRM-style messaging.

  • Personalized Message supports bulk contact and group management, while SMS Signature+ focuses solely on individual message signatures.
  • Personalized Message provides HTML templates for communication, whereas SMS Signature+ lacks template support.
  • Personalized Message operates on a free model, contrasting with the $0.99 one-time purchase price of SMS Signature+.
SMS Signature+ vs Personalized Message

Unlock the head-to-head verdict: where this rival wins, and where it loses.

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The Analyst's Read

Key takeaways for SMS Signature+

Where is it heading?

The SWOT

Core Strengths
  • Affordable one-time purchase model
  • Highly focused and simple user experience
  • Stable ranking in the Paid Social Networking category
  • Low maintenance overhead
Critical Frictions 4 weaknesses inside
Growth Levers
  • Expansion to Android platform
  • Support for multiple signatures (Work/Personal)
  • Integration with non-SMS messaging apps (WhatsApp/Signal)
  • Implementing user feedback loops to build ratings
Market Threats 4 threats identified

Unlock 4 critical frictions, 4 market threats and the analyst’s take.

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Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by SMS Signature+, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “SMS Signature+ Intelligence Report.” Updated Apr 4, 2026. https://marlvel.ai/apps/com-litteral-smssignature

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