Founder profile
@maxzrco · Founder of iOS app portfolio (undisclosed on TrustMRR), Shipgrit, TrendStalkr · Germany
In their X bio “Solo iOS dev. Scaling to 10K MRR. Building until I can buy my parents a camper van.”
Marco (@maxzrco) is the founder of iOS app portfolio (undisclosed on TrustMRR), Shipgrit and TrendStalkr. Marco builds solo from Germany. The highest publicly reported figure: iOS app portfolio (undisclosed on TrustMRR) reported $3,920 MRR, according to its TrustMRR page (verified by the payment provider) on November 1, 2026.
Fact box
His portfolio of subscription iOS apps; names are hidden on TrustMRR.
$3,920 MRR Verified via TrustMRR TrustMRR page, reportedVerified via TrustMRR From RevenueCat, via TrustMRR; synced November 1, 2026, page read November 1, 2026
Visit iOS app portfolio (undisclosed on TrustMRR) Revenue on TrustMRR iOS app portfolio (undisclosed on TrustMRR): founder and revenue
Leaderboard and streak tracker that shows how consistently builders ship.
Tool for spotting trending content (linked from his bio).
Figures as reported at each source on the date shown, never our estimate. MRR qualifies for the directory as is; ARR is divided by 12.
| Product | Amount | Source type | Reported on | Source |
|---|---|---|---|---|
| iOS app portfolio (undisclosed on TrustMRR) | $3,920 MRR | Verified by payment provider via TrustMRR | TrustMRR page |
The founder's posts on X in the 7 days to October 28, 2026, when we last collected them. Our summaries; open the post for the original.
Breaks down the hooks of the three biggest fitness-app TikToks of the week.
Asks who shipped the most hours this year and links Shipgrit.
Welcomes a well-known iOS developer to Shipgrit and highlights his streak.
Announces a new #1 on Shipgrit's 7-day leaderboard.
milestone
Said his apps made $4.4k in September versus $2.5k from his day job. Source
milestone
Reached day 103 of his public 'scaling to $10K MRR' challenge. Source
milestone
Weekly recap: apps at 3,338 MRR with 1,028 active subscriptions; SaaS at $130 MRR. Source
milestone
Monthly verified revenue for the undisclosed product first topped $5,000 in July 2026 ($8,190). Source
milestone
First month with verified revenue for the undisclosed product (November 2025, $1,629). Source
Link-only post.
61 likes 2 reposts 4.2K views
Day 103 of his public push to $10K MRR, admitting a bad day.
62 likes 1 reposts 2.4K views
Explains his ad data was wrong for months due to SDK initialization order, and the order he uses now.
49 likes 2 reposts 5.2K views
Marco is building iOS app portfolio (undisclosed on TrustMRR) (His portfolio of subscription iOS apps; names are hidden on TrustMRR), Shipgrit (Leaderboard and streak tracker that shows how consistently builders ship) and TrendStalkr (Tool for spotting trending content (linked from his bio)).
iOS app portfolio (undisclosed on TrustMRR) reported $3,920 MRR, according to its TrustMRR page (verified by the payment provider) on November 1, 2026. It is a publicly reported figure, not an estimate by Sell Micro SaaS.
You can follow Marco on X at @maxzrco and on their website (shipgrit.com).
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