All four tools read an exported chat and tell you something about the people in it. They differ in format, price, privacy and how much they show their working. This is our honest take; we make Spill, so weigh it accordingly. Facts below were checked on each site on 15 November 2026 and may change.
| Spill | What Brandon Thinks | Moka Score | MosaicChats | |
|---|---|---|---|---|
| Format | Score card or Chat Awards card + stats + report where each claim cites messages | An AI character (“Brandon”) writes his verdict on everyone in the chat | Score /100, a role each, six bars, written analysis | Dashboards: sentiment timeline, compatibility score, personality, word cloud, AI guide (Myrah) |
| Chat apps | WhatsApp, iMessage, Instagram, Messenger, LINE, KakaoTalk | WhatsApp, iMessage | WhatsApp, iMessage (Mac), Instagram, Messenger, Telegram, plus paste or screenshots | |
| Free part | Card, stats and opening | See their site | Full score free; written analysis partly free | Word cloud and relationship strengths; a few Myrah questions a week |
| Paid | Full report $4.99 one-time; group $7.99 | See their site | Rest of the analysis $9.90 | Pro: $1 first month, then $9.99/month |
| Quotes the evidence for each claim | Yes, every claim, checked against the chat | Reports reference the chat; not a per-claim evidence check | Example analysis quotes patterns; not per-claim receipts | Charts and analysis; not per-claim receipts |
| Other person can respond | Yes (Both Sides) | No equivalent we found | No equivalent we found | No equivalent we found |
| Data retention (as stated) | Chat deleted when the report is done (max 24h); report 30 days | Uploads deleted automatically; not used to train AI | Chats deleted 14 days after your last message | Anonymized processing; see their privacy policy |
Where the others are better
- What Brandon Thinks supports far more apps (iMessage, Instagram, LINE, KakaoTalk), has a strong character voice, and a long track record (their site reports over 950,000 reports written).
- Moka Score has a polished, free score with roles and six bars. If all you want is the number, it's great.
- MosaicChats takes screenshots and pasted text, covers more apps, and offers an ongoing AI guide for follow-up questions.
Where Spill is different
- Receipts for every claim. Tap any line to see the 2–3 messages behind it. Quotes that don't match the chat are removed automatically.
- Free group card. Chat Awards for every member, free.
- Both Sides. The other person can answer back, and you get a joint report.
- Redaction before upload with a preview of exactly what's sent, and deletion as soon as the report is ready.
Which should you use?
Using iMessage, Instagram or LINE? Use Brandon or Mosaic for now. Want only a quick number? Moka. Want proof for every claim, a free group card, or a way to involve the other person? That's what we built Spill for.
FAQ
Is Spill affiliated with What Brandon Thinks, Moka Score or MosaicChats?
No. Spill is an independent project. Names belong to their owners.
Why does Spill only support WhatsApp?
WhatsApp exports are the most common globally. iMessage and others are planned.