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Comparison · Infra & APIs
Retool vs Umbrel
A side-by-side editorial comparison of Retool and Umbrel — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:self-hosted
Retool vs Umbrel: at a glance
What is Retool?
Retool's app builder hits GA, generating React apps, with spend controls beside it.
Retool's app builder is generally available: it builds React apps from natural language, from MCP-compatible coding agents or from imported React code. On the same day Retool shipped limits on AI credit and token usage by user, group and model, along with credit packs by card on all paid plans. Private npm registries for Enterprise apps and GPT 6.1 Terra followed, while self-hosted stable channels took three more 4.34 updates.
What is Umbrel?
umbrelOS 2.0 went final in September; 2.0.1 is a kernel patch with a Raspberry Pi stopgap.
umbrelOS 2.0 shipped on September 22 after two betas, bringing Photos, iPhone and Mac apps, Machines, multiple users, an MCP server, Storage Manager with FailSafe RAID, cloud downloads, GPU acceleration and automatic HTTPS. Beta 2 added agents that can create and use Machines while the owner watches. 2.0.1 on November 1 fixes CVE-2026-98432 with a patched kernel on x86 devices; Raspberry Pi has no fixed kernel yet, so umbrelOS blocks the traffic needed to trigger it.
Retool vs Umbrel: editorial side-by-side
Retool
6.3INFRA · APIS
Retool's app builder hits GA, generating React apps, with spend controls beside it.
◆ Current state
Retool's app builder is generally available: it builds React apps from natural language, from MCP-compatible coding agents or from imported React code. On the same day Retool shipped limits on AI credit and token usage by user, group and model, along with credit packs by card on all paid plans. Private npm registries for Enterprise apps and GPT 6.1 Terra followed, while self-hosted stable channels took three more 4.34 updates.
◆ Where it's heading
Retool is turning AI app generation into a metered product line: the builder is the surface, and credits and spend limits are how it gets sold and governed. Private npm registries point the same way, since generated React apps need a company's own packages. Self-hosted customers stay on a separate steady cadence of Edge builds and stable patches.
◆ Prediction
Expect more Enterprise controls around app builder output and the next frontier model added soon after launch. The entries don't show how AI credits are priced.
Umbrel
2.5INFRA · APIS
umbrelOS 2.0 went final in September; 2.0.1 is a kernel patch with a Raspberry Pi stopgap.
◆ Current state
umbrelOS 2.0 shipped on September 22 after two betas, bringing Photos, iPhone and Mac apps, Machines, multiple users, an MCP server, Storage Manager with FailSafe RAID, cloud downloads, GPU acceleration and automatic HTTPS. Beta 2 added agents that can create and use Machines while the owner watches. 2.0.1 on November 1 fixes CVE-2026-98432 with a patched kernel on x86 devices; Raspberry Pi has no fixed kernel yet, so umbrelOS blocks the traffic needed to trigger it.
◆ Where it's heading
Umbrel has moved from a server you visit to one that agents and phones use directly: per-agent tokens, background camera-roll backup and Finder integration all reduce the need to open the web interface. The first release after 2.0 is security maintenance, and that maintenance now covers a wider surface, from HEIC thumbnails to trusted certificate authorities.
◆ Prediction
Google Drive download, flagged as coming soon in the 2.0 notes, is the clearest next feature. A proper kernel fix for Raspberry Pi should replace the traffic block in a following update.
Alternatives to Retool and Umbrel
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Retool or Umbrel.
Incus
Incus 7.6 fixes 18 security issues, eight critical, and adds SR-IOV NIC live migration
DNSimple
DNSimple's Erlang DNS stack now handles 14% more queries per second, with no C involved
Doppler
Doppler adds keyless syncs and agent-facing secrets as on-prem settles in
runc
runc 1.6.0-rc.1 lifts the 1024-CPU limit and refuses settings it used to quietly ignore
Algolia
Algolia's Agent Studio opens to outside agents and starts grading its own before they ship
See all Retool alternatives → · See all Umbrel alternatives →
Recent activity from Retool and Umbrel
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 17h agoUmbrel2.0.1 patches a kernel network CVE, with a block on Raspberry Pi
- 2d agoRetoolSelf-hosted Retool 4.34 and 4.0 stable updates
- 3d agoRetoolGPT 6.1 Terra available in Retool
- 4d agoRetoolSelf-hosted Retool 4.34 stable update
- 4d agoRetoolPrivate npm registries for apps
- 4d agoRetoolSpend controls for AI usage
- 4d agoRetoolBuy additional AI credits
- 1mo agoUmbrelumbrelOS 2.0 goes final with Photos, Machines and an MCP server
- 1mo agoUmbrelBeta 2: agents can drive Machines, search is redesigned
- 2mo agoUmbrelumbrelOS 2.0 Beta 1 ⚡
- 3mo agoUmbrelumbrelOS 1.7.4
- 5mo agoUmbrelumbrelOS 1.7.3
Frequently asked questions
What is the difference between Retool and Umbrel?
Both compete on the same themes — self-hosted — within Infra & APIs. Retool is currently shipping more aggressively (velocity 6.3 vs 2.5), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Retool better than Umbrel?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Retool is currently shipping more aggressively (velocity 6.3 vs 2.5), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to Retool?
Top Retool alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Retool alternatives" section above for the current picks, or visit /alternatives/retool for the full list with editorial commentary on each.
What are the best alternatives to Umbrel?
Top Umbrel alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Umbrel alternatives" section above for the current picks, or visit /alternatives/umbrel for the full list with editorial commentary on each.