Plansera AI vs QuillBot: Which Is More Trustworthy?
At a glance: verified facts
| Fact | Plansera AI | QuillBot |
|---|---|---|
| Operated by | — | Learneo, Inc. |
| Country | — | United States |
| Founded | — | 2017 |
| Founders public | — | Yes |
| Domain registered | 2025-12-19 | — |
| Official iOS app | — | ✓ Quillbot-AI Writing & Keyboard |
| Policy changes we track | None detected | 2 detected (2 major) |
| Last data check | 2026-08-01 | 2026-08-01 |
From public records (company registry, RDAP, App Store metadata) and our policy snapshots — a "—" means we have no verified data for that field yet.
What the evidence shows
Both are ai writing & paraphrasing tools we track. Comparing the 3 trust dimensions measured for both:
- QuillBot leads on company & identity (15/16 vs 4.5/8).
- QuillBot leads on data & privacy (7.5/10 vs 2.5/5).
- Plansera AI leads on billing & subscription (10.8/16 vs 5.2/8).
Not yet measured for either tool: Product Reality — this comparison covers only what we verified.
Quick verdicts
Plansera AI: Plansera AI earns a grade B (61.4/100) on our evidence-based trust rubric, measured on 3 of 5 trust dimensions. It scores well on billing & subscription but only moderately on data & privacy (2.5/5). We have not yet assessed product reality, so the grade is provisional.
QuillBot: QuillBot earns a grade A (84.8/100) on our evidence-based trust rubric, measured on 4 of 5 trust dimensions. It scores strongly on community reputation but only well on billing & subscription (5.2/8). We have not yet assessed product reality, so the grade is provisional.
Trust score breakdown
| Dimension | Plansera AI | QuillBot |
|---|---|---|
| Company & Identity | 4.5/8 | 15/16 |
| Data & Privacy | 2.5/5 | 7.5/10 |
| Billing & Subscription | 10.8/16 | 5.2/8 |
| Product Reality | — | — |
| Community Reputation | — | 7.5/7.5 |
| Total | 61.4/100 | 84.8/100 |
What their privacy policies say about AI training
Plansera AI (policy captured 2026-06-22):
Usage data — standard analytics such as pages viewed and device/browser information, collected to operate and improve the Service.
QuillBot (policy captured 2026-06-18):
We may use such aggregated,
de-identified or anonymized data within Learneo and share it with third parties for our lawful business
purposes, including to analyze, build and improve the Services and promote our business, provided that we will not
share such data in a manner that could identify you.
Quoted verbatim from each vendor's own privacy policy — full context and more excerpts on each tool's report page.
Frequently asked questions
Is Plansera AI more trustworthy than QuillBot?
QuillBot currently scores higher — 85/100 vs 61/100 — across the 3 trust dimensions measured for both. That covers documented evidence only, not features or pricing.
Is Plansera AI legit?
Plansera AI currently holds trust grade B (61/100) based on 3 of 5 trust dimensions. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
Is QuillBot legit?
QuillBot currently holds trust grade A (85/100) based on 4 of 5 trust dimensions, and is operated by Learneo, Inc.. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
More AI Writing & Paraphrasing comparisons
How this comparison works
Both tools are scored with the same five-dimension, 100-point rubric — company identity, data privacy, billing, product reality and reputation — using documented evidence only; a dimension with no evidence stays unscored instead of guessed. Read the full reports: Plansera AI trust report · QuillBot trust report, or run any other tool through the trust check.