---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Collins COBUILD Dictionary"
developer_entity: "MobiSystems, Inc."
bundle_id: "com.mobisystems.CollinsCobuildInt"
app_store_id: "389735161"
category: "Reference"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2018-07-11"
report_date: "2026-08-01"
last_verified: "2026-08-01T00:00:00.000Z"
report_version: "10.0.11"
total_reviews: 43
overall_rating: 4.4
confidence: "low"
confidence_score: 0.3
data_age_days: 15
intelligence_version: 3
tags: ["reference", "paid", "mobile app", "app review", "app analysis", "english", "language", "learners"]
canonical_url: "https://marlvel.ai/apps/collins-cobuild-dictionary"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Collins COBUILD Dictionary Intelligence Report

## TL;DR {#tldr}

- **Category**: Reference · Paid
- **Signal**: Rating 4.42

> **TL;DR:** Collins COBUILD Dictionary is a reference app by MobiSystems, Inc., rated 4.42/5 by 43 users, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Collins COBUILD Dictionary is a reference app by MobiSystems, Inc..
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.42/5 (43 reviews) |
| **Category** | Reference |
| **Developer** | MobiSystems, Inc. |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Low (0.3/1.0) |
| **Data Age** | 15d |

## Metadata & Market Performance
- **Publisher:** MobiSystems, Inc.
- **Category:** Reference
- **Target Audience:** English language learners and students requiring detailed grammatical context and usage patterns.
- **Platforms:** iOS
- **Version Reviewed:** 10.0.11
- **Report Date:** 2026-08-01
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.3/1.0)
- **App Store ID (iOS):** 389735161
- **Bundle ID:** com.mobisystems.CollinsCobuildInt
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-08-01

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Collins COBUILD Dictionary is a reference app for English language learners, providing definitions and usage examples derived from the Bank of English database on iOS.
**Why users hire it:** The app removes the cognitive friction of searching for precise grammatical usage patterns by providing full-sentence definitions and examples from a massive, curated corpus.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Bank of English Database:** Definitions and examples derived from a 650 million word corpus, providing academic authority that acts as a brand moat.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Differentiator] Camera Search:** Real-time word lookup via the device camera, increasing engagement for language learners.
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Fuzzy Filter Search:** Automatic spelling correction and wildcard patterns to reduce lookup friction.
  * *User Intent:* Users want to quickly find relevant content or features.
<!-- /section:features -->

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

Collins COBUILD Dictionary maintains a niche position as a premium, one-time-purchase reference tool, currently ranking in the top 100 paid category charts across multiple international markets. The lack of recent major updates relative to subscription-based rivals signals a potential decline in long-term market share despite the app's high academic authority.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** Single purchase at $11.99
- **Price:** iOS: $11.99
- **Analysis:** The fixed-price model targets users avoiding subscription fatigue, though it limits the developer's ability to fund high-frequency feature updates.

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

**Core Strengths:**
- Bank of English database provides academic credibility that acts as a defensible brand moat.
- Camera-based lookup provides high-utility engagement for language learners.

**Growth Levers:**
- Introducing a freemium tier could capture the casual learner segment currently lost to ad-supported dictionary alternatives.


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app expanded its feature set with camera-based lookup and fuzzy search while formalizing its competitive disadvantage due to a lack of major updates since 2018. This shift highlights a transition from a static reference tool to a product actively struggling against modern subscription-based alternatives.

**Overall trend**: Mixed
**Compared at**: 2026-08-01

### High-impact changes
- **[Added] Camera Search and Fuzzy Filter Search** (features)
- **[Shifted] Maintenance-only status** (positioning)

### Medium-impact changes
- **[Added] New SWOT entries** (swot)

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

- Ships maintenance-only updates since 2018.
- Maintains stable, one-time purchase pricing model.

<!-- /section:momentum -->

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

Collins COBUILD Dictionary is a reference app that is a paid app.
It holds a 4.42/5 rating from 43 reviews.

<!-- speakable-start -->
> **Bottom Line:** The app's academic authority remains a strong retention lever, but the lack of iterative updates since 2018 leaves it vulnerable to subscription-based rivals. Pivoting to a freemium model would unlock the casual learner funnel currently blocked by the $11.99 entry price.
<!-- speakable-end -->

**Best for:** English language learners and students requiring detailed grammatical context and usage patterns.

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

- [ ] [PIVOT] Pivot to a freemium model because the current $11.99 barrier loses casual learners to free rivals → increase top-of-funnel install velocity.
<!-- /section:pm-actions -->

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

The reference app market is consolidating around high-frequency, subscription-based platforms that prioritize social and gamified learning. Collins COBUILD Dictionary remains advantaged by its academic authority, but its maintenance-only posture leaves it exposed to rivals that offer more frequent content and UI refreshes, which will likely compress its market share over the next two quarters.

- ⚪ The app maintains a stable, one-time purchase model, which avoids subscription fatigue but limits the revenue available for high-frequency feature iteration.
- 🔴 The absence of major feature updates since 2018 risks technical obsolescence, which will eventually erode the app's competitive standing against modern, iterative reference tools.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.42/5 |
| Total Reviews | 43 |
| Confidence | Low |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Collins COBUILD Dictionary** (this app) | 4.42/5 | N/A | MobiSystems, Inc. |
| [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. |
| [브리태니커 콘사이스 백과사전](https://marlvel.ai/apps/app--425) | N/A/5 | N/A | DaolSoft, Co., Ltd. |

## Company Profile
- **Developer:** MobiSystems, Inc.
- **Website:** [https://www.mobisystems.com/ios/collins-cobuild-intermediate-dictionary/](https://www.mobisystems.com/ios/collins-cobuild-intermediate-dictionary/)
- **Social:** [Facebook](https://www.facebook.com/MobiSystems) · [X/Twitter](https://twitter.com/MobiSystems) · [YouTube](https://www.youtube.com/channel/UCedxfsAtzl7B8yftwF9_ANQ) · [LinkedIn](https://www.linkedin.com/company/mobisystems)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/collins-cobuild-dictionary/id389735161?uo=4)
- **Dev Site:** [Official Website](https://www.mobisystems.com/ios/collins-cobuild-intermediate-dictionary/)
- **Sources:** Developer website content, About us / company information, App store metadata.

## Related Intel Reports
- [*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
- [*브리태니커 콘사이스 백과사전*](https://marlvel.ai/apps/app--425) (DaolSoft, Co., Ltd.) · N/A Rating
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## Frequently Asked Questions {#faq}

### Is Collins COBUILD Dictionary worth the $11.99 price?

The app is best for users who prefer a one-time purchase over recurring subscriptions and value academic-grade definitions from the Bank of English database.

### How does this compare to free dictionary apps?

Unlike many free, ad-supported apps, Collins COBUILD Dictionary offers a curated, academic-grade database without intrusive ads, though it lacks the frequent feature updates and social elements found in modern alternatives.

### Does the app receive regular updates?

The app has not received a major feature update since 2018, focusing primarily on maintenance and minor interface adjustments.

### What are some free alternatives for language learners?

Users seeking free alternatives should consider ad-supported dictionary apps or subscription-based learning platforms that offer more frequent content updates and interactive features.

## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** developer website, company about page, 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:** 15 days since last refresh

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