---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Delicious Diary 365- Diet Book"
developer_entity: "Shenzhen Bigger Lens LLC"
bundle_id: "com.biggerlens.myfooddiary"
app_store_id: "1098629448"
category: "Photo & Video"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-07-03"
report_date: "2026-08-23"
last_verified: "2026-08-23T00:00:00.000Z"
report_version: "2.6"
total_reviews: 378
overall_rating: 4.5
sentiment: "Mixed"
sentiment_score: 55
confidence: "medium"
confidence_score: 0.45
top_praise_theme: "Visual food logging provides a quick way to track daily intake without manual entry"
top_complaint_theme: "Users report paying for premium services but never receiving the advertised cloud backup functionality"
review_sample_size: 49
total_review_count: 49
analyzed_review_count: 49
data_age_days: 1
momentum_velocity: "maintenance"
intelligence_version: 3
tags: ["photo & video", "subscription", "mixed sentiment", "mobile app", "app review", "app analysis", "individuals", "tracking", "their"]
canonical_url: "https://marlvel.ai/apps/delicious-diary-365-diet-book"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Delicious Diary 365- Diet Book Intelligence Report

## TL;DR {#tldr}

- **Category**: Photo & Video · Subscription
- **Signal**: Rating 4.51 · Sentiment Mixed
- **Recent focus**: Users report paying for premium services but never receiving the advertised cloud backup functionality (top complaint) · Visual food logging provides a quick way to track daily intake without manual entry (top praise)

> **TL;DR:** Delicious Diary 365- Diet Book is a photo & video app by Shenzhen Bigger Lens LLC, rated 4.51/5 by 378 users, with Mixed user sentiment (55/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Delicious Diary 365- Diet Book shows Mixed sentiment (4.51/5 from 378 reviews) - users praise visual food logging provides a quick way to track daily intake without manual entry but report issues with users report paying for premium services but never receiving the advertised cloud backup functionality.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.51/5 (378 reviews) |
| **User Mood** | Mixed |
| **Category** | Photo & Video |
| **Developer** | Shenzhen Bigger Lens LLC |
| **Pricing** | Subscription |
| **Platforms** | iOS |
| **Confidence** | Medium (0.45/1.0) |
| **Data Age** | 1d |

## Metadata & Market Performance
- **Publisher:** Shenzhen Bigger Lens LLC
- **Category:** Photo & Video
- **Target Audience:** Individuals tracking their diet or food habits through photography who require a visual, calendar-based record.
- **Platforms:** iOS
- **Version Reviewed:** 2.6
- **Report Date:** 2026-08-23
- **Signal Count:** 49 reviews analyzed
- **Confidence:** Medium (0.45/1.0)
- **App Store ID (iOS):** 1098629448
- **Bundle ID:** com.biggerlens.myfooddiary
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-08-23

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Delicious Diary 365- Diet Book is a visual food journaling app for iOS that allows users to track daily meals via photo logs and a calendar view.
**Why users hire it:** The app removes the cognitive friction of manual calorie counting by replacing text-based logs with a simple, photo-centric accountability mechanism.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Daily Photo Journaling:** Capture and store multiple food photos per day with optional comments.
  * *User Intent:* Users are motivated by consistent progression and daily incentives.
- **[Standard] Calendar View:** Visual monthly overview displaying thumbnails of saved food photos for each day.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
- **[Standard] Cloud Storage Subscription:** Paid tier providing expanded cloud storage capacity for photo archives.
  * *User Intent:* Users expect seamless access across multiple devices.
<!-- /section:features -->

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

Delicious Diary 365- Diet Book maintains a niche position in the Photo & Video category with a 4.51 rating across 378 total ratings. The lack of recent feature updates signals a maintenance-mode posture that leaves the app vulnerable to more active, feature-rich competitors.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Free tier with limited storage, Premium subscription with expanded cloud storage (weekly, monthly, half-year, and yearly packages)
- **Analysis:** The subscription model monetizes cloud storage capacity for long-term photo archiving, though users report failures in feature delivery.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 49 of 49 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.51/5
- **Platform Split:** iOS 4.5/5 (378 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Visual food logging provides a quick way to track daily intake without manual entry**
- **Calendar view allows users to easily review past food choices and track progress over time**

### Top Complaints (Impact Areas)

- **Users report paying for premium services but never receiving the advertised cloud backup functionality**

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

**Core Strengths:**
- Visual-first logging mechanism reduces user friction

**Growth Levers:**
- Landscape orientation support for tablet users


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

The developer has shifted from a passive maintenance posture to a more responsive roadmap, specifically targeting the removal of aggressive review-gating and the addition of tablet-specific UI support.

**Overall trend**: Mixed
**Compared at**: 2026-08-23

### High-impact changes
- **[Added] Review-Gating Sunset** (pmActionItems)

### Medium-impact changes
- **[Added] New Threat Identified** (swot)
- **[Added] Tablet Optimization Roadmap** (pmActionItems)

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

- **Latest (v2.6, 1 months ago):** General bug fixes and user experience optimizations.
<!-- /section:whats-new -->

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

- Ships bug fixes only.
- No new feature builds.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 50 days since last update

<!-- /section:momentum -->

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

Delicious Diary 365- Diet Book is a photo & video app.
With a 4.51/5 rating from 378 reviews, it shows mixed user reception.

<!-- speakable-start -->
> **Bottom Line:** The current subscription failures and startup crashes invalidate the app's value proposition for long-term users. Addressing these technical blockers would unlock the retention potential of the calendar-based logging mechanism, which currently remains trapped behind a broken user experience.
<!-- speakable-end -->

**Best for:** Individuals tracking their diet or food habits through photography who require a visual, calendar-based record.

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

- [ ] [PIVOT] Audit subscription fulfillment logic because users report paying for features that never unlock → reduce refund surge
<!-- /section:pm-actions -->

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

The outlook for Delicious Diary 365- Diet Book is declining due to persistent stability issues and broken monetization. Without a shift toward resolving core technical debt, the app will continue to lose users to more reliable alternatives in the food-tracking space.

- 🔴 Frequent startup crashes prevent access to food diary data, which erodes the daily habit and accelerates user churn.
- 🔴 Subscription fulfillment failures lead to refund requests and negative sentiment, damaging the long-term viability of the premium revenue tier.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.51/5 |
| Total Reviews | 378 |
| Sentiment | Mixed (55/100) |
| Confidence | Medium |
| Pricing Model | Subscription |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Delicious Diary 365- Diet Book** (this app) | 4.51/5 | Mixed | Shenzhen Bigger Lens LLC |
| [Cantina: AI Video & Characters](https://marlvel.ai/apps/is-signal-ios) | 4.8/5 | N/A | Cantina, Inc |
| [CapCut: Photo & Video Editor](https://marlvel.ai/apps/capcut-photo-video-editor) | 4.1/5 | Mixed | Bytedance Pte. Ltd |
| [Lightroom: AI Photo Editor](https://marlvel.ai/apps/lightroom-ai-photo-editor) | 4.8/5 | Excited | Adobe Inc. |
| [Picsart AI Photo Editor, Video](https://marlvel.ai/apps/picsart-ai-photo-editor-video) | 4.3/5 | n/a | PicsArt, Inc. |
| [Sora by OpenAI](https://marlvel.ai/apps/sora-by-openai) | 4.7/5 | Excited | OpenAI OpCo, LLC |

## Company Profile
- **Developer:** Shenzhen Bigger Lens LLC

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/delicious-diary-365-diet-book/id1098629448?uo=4)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Cantina: AI Video & Characters*](https://marlvel.ai/apps/is-signal-ios) (Cantina, Inc) · 4.8/5 Rating
- [*CapCut: Photo & Video Editor*](https://marlvel.ai/apps/capcut-photo-video-editor) (Bytedance Pte. Ltd) · 4.1/5 Rating
- [*Lightroom: AI Photo Editor*](https://marlvel.ai/apps/lightroom-ai-photo-editor) (Adobe Inc.) · 4.8/5 Rating | Positive Sentiment
- [*Picsart AI Photo Editor, Video*](https://marlvel.ai/apps/picsart-ai-photo-editor-video) (PicsArt, Inc.) · 4.3/5 Rating
- [*Sora by OpenAI*](https://marlvel.ai/apps/sora-by-openai) (OpenAI OpCo, LLC) · 4.7/5 Rating | Positive Sentiment
- [*Video Star*](https://marlvel.ai/apps/com-frontierdesign-videostar) (Frontier Design Group) · 3.5/5 Rating
- [*짤봇*](https://marlvel.ai/apps/blackturtle2-jjalbot-ios) (jaesung Lee) · N/A Rating
- [*예쁜 사진 - 좋은 하루의 시작*](https://marlvel.ai/apps/kwonkunkun-goodmorning) (KunWoo Kwon) · N/A Rating
- [*요술봉 - 배경 이미지 자동 편집, 합성, 삭제*](https://marlvel.ai/apps/cswpd-imageeditor) (SuWon Choi) · 1.0/5 Rating
- [*희담필터*](https://marlvel.ai/apps/com-heedamfilter) (Seongmin Lee) · N/A Rating

## Frequently Asked Questions {#faq}

### Is Delicious Diary 365- Diet Book suitable for tracking calories?

The app focuses on visual food journaling through photos rather than manual calorie entry. It is designed for users who prefer visual accountability over granular data tracking.

### Does the premium subscription provide reliable cloud backup?

Users report that the premium subscription often fails to unlock the advertised cloud backup functionality. You should exercise caution before purchasing until these service delivery issues are resolved.

### What are some alternatives for visual food tracking?

Users seeking more reliable alternatives should look for apps that offer stable cloud synchronization and active development, as Delicious Diary 365- Diet Book currently faces significant stability and support challenges.

## 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:** 49
- **Data Sources:** user reviews, 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:** 1 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/delicious-diary-365-diet-book)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.