Light Signals vs DeepBuster AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Light Signals
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This app lets you talk to the people around you with Morse code flashed from your device's flashlight. Alongside a set of ready-made example phrases, you can register words of your own. In the settings menu, you can adjust the brightness of the flashlight.
DeepBuster AI
Analyze conversations with AI to understand relationship dynamics, detect red flags, and improve communication. Get insights into emotional tone, compatibility, and unhealthy patterns to build healthier connections.
- AI Chat Analysis
- Red Flag Detection
- Relationship Insights
- AI Relationship Coach
- Emotional Tone Detection
- Conversation Summaries
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Understand conversations, relationship dynamics, and emotional signals with AI. HeartIQ helps you analyze chats, detect potential red flags, understand communication patterns, and improve relationships through smart AI-powered insights. FEATURES • Chat Analysis Upload or paste conversations to receive AI-powered insights and communication breakdowns. • Red Flag Detection Identify toxic patterns, mixed signals, emotional distance, manipulation, and unhealthy communication habits. • Relationship Insights Understand emotional tone, compatibility, attention balance, and conversation dynamics. • AI Relationship Coach Get suggestions for healthier communication, better responses, and relationship guidance. • Emotional Tone Detection Analyze messages for mood, intent, confidence, affection, and emotional consistency. • Conversation Summaries Quickly understand key moments and recurring patterns across chats. • Privacy Focused Your conversations are processed securely and are never shared with third parties. USE CASES • Relationship communication analysis • Dating and talking stage insights • Understanding mixed signals • Improving conversations • Detecting unhealthy behavior patterns • Building healthier communication habits HeartIQ is designed for self-awareness and relationship improvement. AI-generated insights may not always be accurate and should not replace professional advice or personal judgment. Subscription required for full access. Privacy Policy: https://docs.google.com/document/d/1J992E2AOBaViynPorOLY0EFJ5mX285hnWMl-fq7bWf8/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1nqBwwAzROyYx5rZg582n_bgA-liSS1xHT83CHelgyP8/edit?usp=sharing
Screenshots
Verdict
The clearest difference is ads: DeepBuster AI at none against Light Signals's shown. DeepBuster AI also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (16.6 vs 26.1). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Light Signals sells 1 one-off in-app purchase and DeepBuster AI sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Light Signals ships an update every 9 days, DeepBuster AI every 3 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Light Signals | DeepBuster AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (8 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 9 days | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.1 | 16.6 — better |
| Further details — not scored | ||
| Size | 5 MB | 13 MB |
| Age rating | 4+ | 17+ |
| Developer | MIZOU, CO., LTD. | Rashad Hawkins |
In-app purchases
Light Signals
- Remove Ads$1.99
DeepBuster AI
- Week Chat Sub$3.997 Days
- Year Chat Sub$19.991 Year









