
SquadPrime
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MVP-Challenge
WIP.co
Estimapp
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Makerlog
A structured 13, 21 or 30-day sprint for developers with a full-time job whose side project is stuck. Daily prompts calibrated to your project, and at each milestone a human reads what you delivered before the sprint continues.

Percept Pixel
FaceAware
Pearlii
Let's Enhance
Pixaven
Phot.ai
Apache APISIX
Fast and secure, imgproxy by Evil Martians resizes and processes images without using disk space.

Which is more popular?
Based on our record, imgproxy seems to be more popular. It has been mentioned 15 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mvpbuilder.io | imgproxy.net |
| Pricing | ||
| Company | Startup from Switzerland · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Most side projects don't fail because the developer isn't good enough. They fail because there's no structure, no real deadline, and nobody watching when you skip Day 4. MVP Builder is a structured 13, 21 or 30-day sprint for developers with a full-time job whose side project is stuck. Not a...
No description of imgproxy yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of imgproxy yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing MVPBuilder.io and imgproxy.
MVPBuilder.io's answer
Next.js, Supabase, Vercel
MVPBuilder.io's answer
AI will give you a plan in ten minutes and will not notice when you skip Day 4. What is missing is not another plan, it is a checkpoint someone else reads. The daily prompt is calibrated to your own project context rather than generic advice, and the decision to take you on is made in a call, not by a form — vague scope gets turned down there, because a sprint that starts wrong produces nothing worth showing.
MVPBuilder.io's answer
Developers with a full-time job and a side project that has been almost done for months. Not beginners, not people looking for someone to build it for them. The requirement is that you own the implementation and can put three to five hours a week into it, spread across several days rather than in one block.
MVPBuilder.io's answer
The milestone is enforced, not tracked. On day 13, 21 or 30 you attach a URL or a file, and a person reads it against a goal that was written down before day one and frozen. No proof, no continuation: the sprint pauses. Everyday check-ins stay voluntary on purpose — the point is not attendance, it is that something exists at the checkpoint.
MVPBuilder.io's answer
MVPBuilder.io's answer
I built the enforcement first and then ran it on myself: a 21-day sprint as a participant, with the goal written down and frozen before day one. I missed one of my four criteria and published that alongside the three I met. The product exists so that every participant gets the same setup: a goal frozen before day one, and proof at each milestone that a human reads.
Share your experience with using MVPBuilder.io and imgproxy. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking MVPBuilder.io since Apr 2026.
There is another framing, and it is the one imgproxy made normal for images: stop treating a variant as a thing you make and store, and start treating it as a thing you describe. The description goes in the URL. Nothing exists until... - Source: dev.to / about 2 months ago
2. I finished adding image uploads. Now you can add and view image attachments.- Source: Hacker News / 5 months agoThis was quite a challenging task because there are a lot of security implications, and Cloudflare Workers don't support sharp. So I was...
Running a tech product with a small team can feel like juggling on a unicycle during an earthquake. At imgproxy, we know this feeling since we're a compact team building an image processing engine used by some of the biggest platforms... - Source: dev.to / over 1 year ago
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