RIVET
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RIVET vs FixKon
Short answer: pick FixKon if you want an AI co-pilot you can show any problem on screen with one shortcut, plus duplicate-file hunting and dictation, and you are happy with a monthly plan for heavy use. Pick RIVET if you want an assistant that runs on your own PC with no cloud and no account, for a one-off $4.99, alongside startup, service, cleanup and settings tools that preview every change.
Both are newer Windows apps that pair an AI assistant with PC tools. FixKon, by UNESPC, centres on its AI: press a shortcut, it captures your screen, and you ask about it. RIVET centres on showing what your PC is doing, with Ask RIVET answering from readings RIVET takes itself.
Side by side
| RIVET | FixKon | |
|---|---|---|
| Price | Free; Pro (including the assistant) is a one-off $4.99 | Starter free with a one-time allowance (20 talk sessions, 30 agent tasks, 300 dictations); Pro $16.99 a month; Max $49.99 a month |
| Trial | 14 days of everything, once per PC | 3-day free trial of Pro or Max |
| Where the AI runs | On your own PC (Qwen3 on llama.cpp); no cloud | Not stated on its site; the Max plan lists premium cloud voice |
| Account | None | Not stated on its site |
| How you ask | Type a question; Spark comes up over any app with a shortcut | Win+Alt captures your screen and you ask about it; voice and dictation |
| Cleanup | Temp files and caches, sizes shown first | Storage Surgeon (large files) and Duplicate Hunter |
| Startup apps and services | Disable or delay startup apps; service start types; with undo | Performance Boost ("real-time tuning") |
| Undo history | Yes, most changes | Not stated on its site |
| Platforms | Windows 10 (2004+) and 11, x64 | Windows 10 and 11, 64-bit; Mac, iOS and Android listed as coming soon |
Where FixKon is better
- Ask about anything on screen. One shortcut sends what you see to its AI, so it can help with problems beyond system settings.
- Duplicate file finder and large-file hunting; RIVET has neither.
- Voice and dictation features; RIVET is typed only.
- More platforms planned: Mac, iOS and Android are listed as coming soon.
Where RIVET is better
- The assistant runs on your PC. No cloud, no account, nothing you ask leaves the machine. It keeps answering with the network off.
- Pay once. $4.99 one time, against $16.99 or $49.99 a month for FixKon's paid plans.
- Every change previewed, most undoable, including after a restart.
- Concrete numbers. Fixes, checkups and rollbacks show what RIVET measured before and after.
What RIVET doesn't do
- It can't look at your screen; it answers from system readings it takes itself.
- No duplicate finder, voice input or dictation.
- No Mac, iPhone or Android version planned.
- The assistant is part of Pro; the free version keeps every other screen.
Questions
Is RIVET a FixKon alternative?
Yes, if what you want is an AI helper for your PC that runs locally with no subscription. RIVET won't read your screen or take voice input, which FixKon does.
Does RIVET's AI need the internet?
Only once, to download the model you choose (0.48 GB to 5.03 GB). After that Ask RIVET runs entirely on your PC and works offline. If Foundry Local or Ollama is already running, RIVET uses that and downloads nothing.
How much does RIVET cost compared with FixKon?
RIVET is free, and Pro, which includes the assistant, is a one-off $4.99. FixKon's Starter plan is free with a one-time allowance, and its paid plans are $16.99 or $49.99 a month.