Dev tools · alternatives · 2026

24 alternatives to Differ app

Smart file comparison tool

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Differ app launched in 2019; newer entries below may have overtaken it.

1. 1
   Diff Text▲216

   Dead simple text comparison

   2024 · difftext.com · its alternatives →

2. 2PD
   PDF Differ▲62

   2023 · pdfdiffer.com · its alternatives →

3. 3
   PDF Differ▲66

   PDF comparison tool for creatives

   2023 · its alternatives →

4. 4
   Diffchecker▲147

   Compare text differences between two text files

   2015 · diffchecker.com · its alternatives →

5. 5
   DirEqual▲94

   Compare Mac folders with DirEqual

   2024 · naarakstudio.com · its alternatives →

6. 6
   Product Comparisons▲364

   Compare any 2 software products

   2018 · siftery.com · its alternatives →

7. 7
   Diffchecker 2.0▲153

   Check the differences between two text files, images or PDFs

   2020 · diffchecker.com · its alternatives →

8. 8
   Kaleidoscope 4▲124

   Spot the differences, merge in seconds

   2023 · kaleidoscope.app · its alternatives →

9. 9DI
   Diff.io▲194

   2015 · diff.io · its alternatives →

10. 10
    Text and Code File Comparison Tool▲7

    Compare and edit two text-based files or code side by side

    Nov 2025 · nonconfirmed.com · its alternatives →

11. 11
    Versus▲252

    Find popular alternatives to anything in a jiffy

    2019 · versusutil.com · its alternatives →

12. 12
    Compare to Dev▲117

    Image comparison tool

    2021 · its alternatives →

13. 13
    Text Compare▲69

    Instantly see the difference between two pieces of text

    2021 · its alternatives →

14. 14
    No Compare▲2

    A file and folder comparison/merge tool

    2020 · apps.microsoft.com · its alternatives →

15. 15
    PDF-Diff - Visualize any differences between two PDFs▲169

    A tool for visualizing differences between two pdf files. - serhack/pdf-diff

    2022 · github.com · its alternatives →

16. 16
    JSON Difference▲9

    Compare json files online | professional json diff tool

    2025 · its alternatives →

17. 17
    Comparelists.org – Instantly Compare Two Lists, Find Differences▲10

    Hey HN, I got tired of manually comparing two lists (think: emails, product SKUs, code, whatever) and built CompareLists.org to make it painless. You just paste your two lists, hit compare, and instantly see what’s unique to each list, what matches, and any duplicates. It handles thousands of lines, works right in your browser (no data leaves your device), and you can export results as CSV/TXT/JSON. There are options for case sensitivity, whitespace, and more. It’s free and there’s no signup. I’d love for you to try it out and let me know what you think—or if there’s a feature you…

    2025 · comparelists.org · its alternatives →

18. 18
    Beyond Compare▲5

    Tool to compare, sync, and merge files and folders

    2016 · scootersoftware.com · its alternatives →

19. 19
    Text Compare & Merge▲10

    Online Difference Finder & Merger | Free Tool

    2024 · diffsuite.com · its alternatives →

20. 20
    comparetext.org▲2

    Compare code, text, and files side by side

    Aug 2026 · comparetext.org · its alternatives →

21. 21
    Compare Texts▲5

    Free text comparison tool | find text differences

    Dec 2025 · compare-texts.online · its alternatives →

22. 22
    Content-Differentiator▲13

    Content-Differentiator

    2025 · content-differentiator.onrender.com · its alternatives →

23. 23
    Text Comparison Chrome Extension▲11

    Text comparison tool

    2025 · chromewebstore.google.com · its alternatives →

24. 24
    Compare Text▲9

    Compare two texts and find differences

    2025 · comparetext.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →