Tally.so VS Diffyn

Compare Tally.so VS Diffyn and see what are their differences

Rating: 0 reviews
Pricing: Freemium Free trial

Rating: 0 reviews
Pricing: Freemium $9.99 / Monthly (Starter)

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Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Tally.so seems to be more popular. It has been mentioned 111 times since March 2021.

social mentions: 111 vs 0
Form Builder popularity: 100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

	Tally.so	Diffyn
Website	tally.so	diffyn.com
Pricing	Freemium Free trial Official pricing	Freemium $9.99 / Monthly (Starter)
Platforms	—	Browser
Company	2020	—
Listed in	Surveys Form Builder Forms And Surveys Marketing Automation Sales Tools Online Payments User Feedback +4	AI Prompts Prompt Engineering Online Collaboration Productivity +2

About Tally.so and Diffyn

In their own words, as submitted to SaaSHub.

Tally.so

Diffyn

Create forms for all purposes in seconds and easily share or embed them into your website. Without knowing how to code, and for free. Just start typing Tally works like a text doc. Just start typing and use shortcuts to create any type of form in seconds. Unlimited forms for free No countless...

Features and specs

What each product offers, as listed by its team.

Tally.so 20 features

Diffyn 3 features

Unlimited forms
Free
Unlimited responses
Free
Payments
Free
File upload
Free
Customizable
Free
Form logic
Free
Calculator
Free
Hidden fields
Free
Answer Piping
Free
Airtable integration
Free
Zapier integration
Free
Google Sheets integration
Free
Email notifications
Free
Redirect on completion
Free
Close on response limit or date
Free
Custom Domains
$29/month
Team Collaboration
$29/month
Remove branding
$29/month
Unlimited file uploads
$29/month
No commision on payments
$29/month

Version Control
Manage changes with visibility on all versions to enhance traceability for prompt for teams and professionals.
Visualization
Side-by-Side Viewer with diff highlighting on changes made and comparison of outputs across different LLM models.
Advanced Analytics
OpenAI powered assistant to provide analyisis on the test outputs and improvment. Gemini powered evaluation on cost efficiency, readability metrics

Analysis

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

Tally.so

Diffyn

Overall verdict

Yes, Tally.so is generally considered good for form building.

Why this product is good

Tally.so is known for its user-friendly interface, ease of use, and robust feature set. It allows users to create forms quickly without requiring extensive technical skills. Additionally, it offers various customization options, integrations with other tools, and competitive pricing, making it a popular choice among individuals and businesses looking for efficient form-building solutions.

Recommended for

Small to medium-sized businesses
Startups
Freelancers
Educators
Event organizers
Individuals who need simple, yet functional form-building capabilities

Overall verdict

I don't have verified, up-to-date information about Diffyn (diffyn.com) to make a confident assessment of its quality, features, or reliability. I'd recommend researching directly through the website, checking independent reviews, and testing any free trial before committing.

Why this product is good

I don't have reliable data on this specific product to list genuine advantages.
Product offerings and quality can change over time, so real-time verification is important.
Independent user reviews, G2/Capterra ratings, or trusted tech publications would provide more accurate insight.

Recommended for

Users who verify through independent research before adoption.
Those who prioritize checking recent reviews and testing free trials.
Anyone needing current, verified information rather than assumptions.

Videos

Walkthroughs and reviews on video.

Tally.so 2 videos + Add

Diffyn 1 video + Add

Just start typing

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

Tally.so

Diffyn

100% 100%

Form Builder

0% 0%

Prompt Engineering

100% 100%

Surveys

0% 0%

95% 95%

Productivity

5% 5%

Questions & Answers

As answered by people managing Tally.so and Diffyn.

What makes your product unique?

Diffyn's answer:

Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.

Why should a person choose your product over its competitors?

Diffyn's answer:

Diffyn is the platform that specializes on both change management and multi-model analysis.

Which are the primary technologies used for building your product?

Diffyn's answer:

React, Next.js, POSTGRESQL

How would you describe the primary audience of your product?

Diffyn's answer:

Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.

What's the story behind your product?

Diffyn's answer:

I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.

User comments

Share your experience with using Tally.so and Diffyn. For example, how are they different and which one is better?

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Tally.so 111 mentions

Diffyn 0 mentions

Automating Bug Reports with Tally and Make
I found a great form-builder called Tally and created a feedback form. However, this introduced a new problem. Tally sends form submissions via email, but I manage my project board, bug reports, and feature requests on GitHub. - Source: dev.to / 10 days ago
Ask HN: What do devs use for quickly setting up a feedback form?
Have you tried https://tally.so? Load the embed after the user clicks a button and that should solve your SEO problem. - Source: Hacker News / over 2 years ago
Ask HN: What do devs use for quickly setting up a feedback form?
Tally is great, unlimited submissions https://tally.so/. - Source: Hacker News / over 2 years ago

Tracking Diffyn since Jun 2025.

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When comparing Tally.so and Diffyn, you can also consider the following products.

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