---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Cryptogram - Quote Puzzle"
developer_entity: "Zhengzhou Sibo Intelligent Technology Co., Ltd."
bundle_id: "com.deltaapp.decode"
app_store_id: "1542195062"
category: "Reference"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2021-07-28"
report_date: "2026-10-05"
last_verified: "2026-10-05T00:00:00.000Z"
report_version: "2.3"
total_reviews: 102
overall_rating: 4.2
sentiment: "Frustrated"
sentiment_score: 25
confidence: "medium"
confidence_score: 0.45
top_praise_theme: "Dark mode availability and extensive level count provide a high value experience without requiring payments"
top_complaint_theme: "Game logic failures prevent level completion and letter input, effectively halting progress for active players"
review_sample_size: 5
total_review_count: 5
analyzed_review_count: 5
data_age_days: 41
momentum_velocity: "zombie"
intelligence_version: 2
tags: ["reference", "free", "frustrated sentiment", "mobile app", "app review", "app analysis", "puzzle", "enthusiasts", "word-based"]
canonical_url: "https://marlvel.ai/apps/cryptogram-quote-puzzle"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Cryptogram - Quote Puzzle Intelligence Report

## TL;DR {#tldr}

- **Category**: Reference · Free
- **Signal**: Rating 4.21 · Sentiment Frustrated
- **Recent focus**: Game logic failures prevent level completion and letter input, effectively halting progress for active players (top complaint) · Dark mode availability and extensive level count provide a high value experience without requiring payments (top praise)

> **TL;DR:** Cryptogram - Quote Puzzle is a reference app by Zhengzhou Sibo Intelligent Technology Co., Ltd., rated 4.21/5 by 102 users, with Frustrated user sentiment (25/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Cryptogram - Quote Puzzle faces Frustrated user sentiment (4.21/5 from 102 reviews), with users reporting game logic failures prevent level completion and letter input, effectively halting progress for active players as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.21/5 (102 reviews) |
| **User Mood** | Frustrated |
| **Category** | Reference |
| **Developer** | Zhengzhou Sibo Intelligent Technology Co., Ltd. |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Medium (0.45/1.0) |
| **Data Age** | 41d |

## Metadata & Market Performance
- **Publisher:** Zhengzhou Sibo Intelligent Technology Co., Ltd.
- **Category:** Reference
- **Target Audience:** Puzzle enthusiasts and fans of word-based logic games who enjoy cryptograms.
- **Platforms:** iOS
- **Version Reviewed:** 2.3
- **Report Date:** 2026-10-05
- **Signal Count:** 5 reviews analyzed
- **Confidence:** Medium (0.45/1.0)
- **App Store ID (iOS):** 1542195062
- **Bundle ID:** com.deltaapp.decode
- **Data Window:** Analysis based on signals collected up to 2026-10-05

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Cryptogram is a word-logic decryption game for iOS that challenges users to solve letter-substitution puzzles.
**Why users hire it:** The app removes the financial friction of modern puzzle games by offering a completely free, ad-free experience, though this lack of monetization has led to a complete halt in technical support.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Letter Substitution Puzzles:** Decryption puzzles requiring users to map cipher letters to original characters based on English language patterns.
- **[Basic] Cryptographic Logic Engine:** Algorithm-based puzzle generation simulating spy-themed encryption tasks.
  * *User Intent:* Users value self-expression and personalized experiences.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Cryptogram maintains a 4.2-star rating across 102 total ratings, but the lack of updates since 2021 has left it without a competitive footing in the modern puzzle market.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free to play
- **Analysis:** The app operates on a free model with no visible subscription or in-app purchase gates, which removes monetization pressure but leaves no revenue stream for maintenance.

<!-- section:sentiment -->
## 🔴 User Sentiment (Medium Confidence: 5 of 5 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.21/5
- **Platform Split:** iOS 4.2/5 (102 ratings)
- **Overall Sentiment:** Frustrated
- **Note:** The 4.21/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline.

### Top Praises
- **Dark mode availability and extensive level count provide a high value experience without requiring payments**

### Top Complaints (Impact Areas)

- **Game logic failures prevent level completion and letter input, effectively halting progress for active players**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Extensive level count provides high-value play without monetization pressure

**Growth Levers:**
- Implementing ad-supported monetization could fund technical maintenance


<!-- /section:swot -->
<!-- section:whats-new -->
## What's New

- **Latest (v2.3, 5 years ago):** Expanded gameplay with the addition of new levels.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No updates for 63 months.
- Maintenance-mode status since 2021.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 1895 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Cryptogram - Quote Puzzle is a reference app that is completely free.
It holds a 4.21/5 rating from 102 reviews.

<!-- speakable-start -->
> **Bottom Line:** Cryptogram is a legacy product that has ceased to function, and the lack of developer activity since 2021 confirms it is no longer a viable market participant.
<!-- speakable-end -->

**Best for:** Puzzle enthusiasts and fans of word-based logic games who enjoy cryptograms.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [SUNSET] Sunset the app because the developer has not shipped a functional update in five years → stop misleading new users
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The market for casual word puzzles is currently dominated by titles with frequent live-ops and monetization updates, leaving Cryptogram as a non-competitive relic. The app's inability to function on modern devices will continue to drive negative sentiment until it is removed from the store.

- 🔴 The five-year development silence indicates the developer has abandoned the product, leaving users with broken progression logic.
- 🔴 Critical input failures in the current build prevent users from completing levels, which guarantees rapid churn for any new installs.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.21/5 |
| Total Reviews | 102 |
| Sentiment | Frustrated (25/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Cryptogram - Quote Puzzle** (this app) | 4.21/5 | Frustrated | Zhengzhou Sibo Intelligent Technology Co., Ltd. |
| [올어바웃성경](https://marlvel.ai/apps/com-allabout-bibleapp) | 5.0/5 | N/A | Gilju Lee |
| [Hallow: Prayer & Meditation](https://marlvel.ai/apps/hallow-prayer-meditation) | 4.7/5 | n/a | Hallow, Inc. |
| [고려대 한국어 속담 사전](https://marlvel.ai/apps/app--428) | N/A/5 | N/A | DaolSoft, Co., Ltd. |
| [우리말 의학사전](https://marlvel.ai/apps/app--427) | N/A/5 | N/A | DaolSoft, Co., Ltd. |
| [공인중개사 용어사전](https://marlvel.ai/apps/app--429) | N/A/5 | N/A | DaolSoft, Co., Ltd. |

## Company Profile
- **Developer:** Zhengzhou Sibo Intelligent Technology Co., Ltd.
- **Website:** [https://981981.xyz/ios.html](https://981981.xyz/ios.html)

## Data Sources & Links
- **App Store ID:** 1542195062
- **Dev Site:** [Official Website](https://981981.xyz/ios.html)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*올어바웃성경*](https://marlvel.ai/apps/com-allabout-bibleapp) (Gilju Lee) · 5.0/5 Rating
- [*Hallow: Prayer & Meditation*](https://marlvel.ai/apps/hallow-prayer-meditation) (Hallow, Inc.) · 4.7/5 Rating
- [*고려대 한국어 속담 사전*](https://marlvel.ai/apps/app--428) (DaolSoft, Co., Ltd.) · N/A Rating
- [*우리말 의학사전*](https://marlvel.ai/apps/app--427) (DaolSoft, Co., Ltd.) · N/A Rating
- [*공인중개사 용어사전*](https://marlvel.ai/apps/app--429) (DaolSoft, Co., Ltd.) · N/A Rating
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## Frequently Asked Questions {#faq}

### Is Cryptogram still being updated?

No, the app has not received an update since July 2021, and users report that it is currently broken and unplayable.

### Does Cryptogram have ads or in-app purchases?

No, the app is currently free to play with no visible monetization gates or ads, though this lack of revenue has contributed to its abandonment.

### What is a better alternative to Cryptogram?

Users should look for actively maintained word-puzzle games that offer regular content updates and functional input mechanics, as this app is no longer supported.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.45/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 5
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 41 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cryptogram-quote-puzzle)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.