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David Berry

David Berry

Mastodon @dgb37@mathstodon.xyz
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 5 days ago
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Make a deal with David Berry

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite David Berry onto your podcast (~45 min, remote) $25→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
39
Account age
0 yrs
🎁 Free analysisfor David Berry
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Post engagement

7
Avg engagement / post
17.9%
Engagement vs followers
Nov 2025
On Mastodon since

🔥 Top post: RE: https://mathstodon.xyz/@boarders/116658435301945801 In a wor · 12 likes + reposts

📊 Activity & format

Posting cadence
0.44 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 5 text · 0 image · 0 video.
Follower / following
1.3×
Follows 30 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post RE: https://mathstodon.xyz/@boarders/116658435301945801 In a world where Computer Science (Masters) courses increasingly are offering Category Theory it baffles the mind that a Mathematics course is abandoning it. What does it say about the University of Cambridge (apparently a … ★ 12
I have spent the last week defining and formalising a model of dependent type theory in simple type theory using Lumsdaine-Warren Local Universes as an alternative to Pitts' Displayed Setoids. This afternoon I came to thinking about equipp… ★ 2 RE: https://types.pl/@koronkebitch/116977243957004245 Agda and Rocq in the upper half as they are under the authority of dependent type theory orthodoxy. Isabelle and Lean refuse to be shackled by such ideas: Isabelle by being simply-typed… RE: https://types.pl/@ionchy/116620808344311927 'Names' like: 0, 1, 2, &c., right? RE: https://mastoxiv.page/@arXiv_csLO_bot/116577494043941517 On and off for the past few years I have been investigating the addition of reversals to BCH-cubes (the cube category for POTT/HOTT) using the bipointed finite-set presentation. …

🐘 Community & instance

Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Nov 2025
An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2025.
👁️Averages 7 views per post.
📤Posts about 0.4× per week.

🕵️ Fake follower check

Estimated
69/100
Good Credibility score
92%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 92% real, active audience · Low fake-follower risk.
  • Strong engagement (~0.2× of followers engage each post) — an active, real audience.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Robert Banz Robert Banz 17% Guy Streeter Guy Streeter 17% René Spronk René Spronk 17% Jimmy Jimmy 17% tussock tussock 14% 3s25q2ec :verified: 3s25q2ec :verified: 13%

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Frequently asked questions

How much does David Berry charge for a sponsorship?
David Berry hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact David Berry for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify David Berry, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does David Berry have?
David Berry has 39 followers on Mastodon.

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