
Day One
REFLECTLY
Daylio
A journal that turns your thoughts into understanding. Talk or type. voice or text. CBT, DBT, and mood tools. Private, on-device AI powered by Apple Intelligence.

Omni Calculator
calculator.net
Build vs. Buy Calculator
DeveloperToolStack
DevNestTools
DevTools Advanced
DevTools.fit
Free, no-signup calculators for the money side of building software and freelancing

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | tryconviction.com | devfinancetools.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Germany · 1 - 9 employees · 2026 | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Free private voice journal that spots your shadow patterns. Your voice becomes structured entries on your device. No server ever sees your words. Conviction spots the patterns you miss, surfaces what keeps showing up, and gives you structured tools to work with what you find.
DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
What each product offers, as listed by its team.


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


As answered by people managing Try Conviction and DevFinanceTools.
Try Conviction's answer
Conviction aims to offer the same journal capabilities via a one-time fee for the pro tier only instead of an expensive subscription. At the same time Conviction is built to never have access to the users personal data and by default asks for usage statistics via opt-in instead of making it part of the terms of service.
Try Conviction's answer
The combination of a full-scale journal with on-device AI capabilities without user data ever leaving the device at the fraction of the cost of other journal apps.
Try Conviction's answer
People who want to utilize self-reflection tools for personal growth or working through their shadow patterns, who do not want to worry about their thoughts being exposed to any external party and who also do not want to pay another monthly subscription should try out Conviction.
Share your experience with using Try Conviction and DevFinanceTools. For example, how are they different and which one is better?
When comparing Try Conviction and DevFinanceTools, you can also consider the following products.

A simple journal application for the Mac, iPhone, and iPad. AboutTo learn more about Day One, see these two excellent reviews . PublishPublish is not available in Day One 2.
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Helping you make rational decisions, one calculation at a time.
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The world's first intelligent journal
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Daylio enables you to keep a private diary without having to type a single line.
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Should you build an internal tool? Or just buy it?
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