perplexity.ai vs readywhen: Which Is More Trustworthy?
At a glance: verified facts
| Fact | perplexity.ai | readywhen |
|---|---|---|
| Domain registered | 2022-07-08 | 2026-03-18 |
| Official iOS app | ✓ Perplexity - AI Search & Chat | — |
| Policy changes we track | None detected | None detected |
| 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 productivity & assistants tools we track. Comparing the 2 trust dimensions measured for both:
- perplexity.ai leads on company & identity (7/8 vs 4.5/8).
- readywhen leads on data & privacy (5.5/10 vs 2.5/5).
Not yet measured for either tool: Product Reality — this comparison covers only what we verified.
Quick verdicts
perplexity.ai: perplexity.ai earns a grade B (65.9/100) on our evidence-based trust rubric, measured on 3 of 5 trust dimensions. It scores strongly on company & identity but only moderately on data & privacy (2.5/5). We have not yet assessed billing & subscription and product reality, so the grade is provisional.
readywhen: readywhen earns a grade B (73.3/100) on our evidence-based trust rubric, measured on 3 of 5 trust dimensions. It scores strongly on billing & subscription but only moderately on data & privacy (5.5/10). We have not yet assessed product reality, so the grade is provisional.
Trust score breakdown
| Dimension | perplexity.ai | readywhen |
|---|---|---|
| Company & Identity | 7/8 | 4.5/8 |
| Data & Privacy | 2.5/5 | 5.5/10 |
| Billing & Subscription | — | 12/12 |
| Product Reality | — | — |
| Community Reputation | 4.01/7.5 | — |
| Total | 65.9/100 | 73.3/100 |
What their privacy policies say about AI training
perplexity.ai (policy captured 2026-06-17):
Notwithstanding anything else in this Privacy Policy, we only use and disclose Email Service Information to provide the Services or as otherwise required by applicable law, and we do not use or disclose Email Service Information to create, train, improve or fine-tune AI models.
readywhen (policy captured 2026-06-22):
Anthropic does not use this data for model training.
Quoted verbatim from each vendor's own privacy policy — full context and more excerpts on each tool's report page.
Frequently asked questions
Is perplexity.ai more trustworthy than readywhen?
readywhen currently scores higher — 73/100 vs 66/100 — across the 2 trust dimensions measured for both. That covers documented evidence only, not features or pricing.
Is perplexity.ai legit?
perplexity.ai currently holds trust grade B (66/100) 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 readywhen legit?
readywhen currently holds trust grade B (73/100) 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.
More Productivity & Assistants 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: perplexity.ai trust report · readywhen trust report, or run any other tool through the trust check.