Deckwise vs Gamma: Which Is More Trustworthy?
At a glance: verified facts
| Fact | Deckwise | Gamma |
|---|---|---|
| Operated by | — | Gamma Tech, Inc. |
| Country | — | United States |
| Founded | — | 2020 |
| Founders public | — | Yes |
| Domain registered | — | 2020-08-11 |
| Official iOS app | — | ✓ Gamma: AI Slides & Design |
| 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 presentations & documents tools we track. Comparing the 3 trust dimensions measured for both:
- Deckwise leads on company & identity (4/4 vs 19.5/20).
- On data & privacy, the two are effectively tied (5.5/10 vs 5.5/10).
- Deckwise leads on billing & subscription (12/12 vs 5.2/8).
Not yet measured for either tool: Product Reality — this comparison covers only what we verified.
Quick verdicts
Deckwise: Deckwise earns a grade A (82.7/100) 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 (5.5/10). We have not yet assessed product reality, so the grade is provisional.
Gamma: Gamma earns a grade B (75.2/100) on our evidence-based trust rubric, measured on 4 of 5 trust dimensions. It scores strongly on company & identity but only moderately on community reputation (4.01/7.5). We have not yet assessed product reality, so the grade is provisional.
Trust score breakdown
| Dimension | Deckwise | Gamma |
|---|---|---|
| Company & Identity | 4/4 | 19.5/20 |
| Data & Privacy | 5.5/10 | 5.5/10 |
| Billing & Subscription | 12/12 | 5.2/8 |
| Product Reality | — | — |
| Community Reputation | — | 4.01/7.5 |
| Total | 82.7/100 | 75.2/100 |
What their privacy policies say about AI training
Deckwise (policy captured 2026-06-23):
We will not use Google Workspace API user data to train generic AI or machine learning models, and will comply with the Google API Services User Data Policy and Limited Use requirements to the extent applicable.
Gamma (policy captured 2026-07-04):
We may use your personal information for research and development purposes, including to analyze and improve the Service and our business and to develop new products and services and to train our artificial intelligence models.
Quoted verbatim from each vendor's own privacy policy — full context and more excerpts on each tool's report page.
Frequently asked questions
Is Deckwise more trustworthy than Gamma?
Deckwise currently scores higher — 83/100 vs 75/100 — across the 3 trust dimensions measured for both. That covers documented evidence only, not features or pricing.
Is Deckwise legit?
Deckwise currently holds trust grade A (83/100) 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 Gamma legit?
Gamma currently holds trust grade B (75/100) based on 4 of 5 trust dimensions, and is operated by Gamma Tech, Inc.. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
More Presentations & Documents 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: Deckwise trust report · Gamma trust report, or run any other tool through the trust check.