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Lathoa math app for kids

Tied for most recommended of 4 educational software

Kids spot deliberate AI mistakes, which people say builds critical thinking. Common caveat: some errors are too basic for kids.

Kids spot deliberate AI mistakes, which people say builds critical thinking. Common caveat: some errors are too basic for kids.

12 people gave an opinion

recommend it
9
criticize it
3
approval share
75%
Each figure is one person. RecommendsCriticizes

Recommended in 2 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 9 people recommend itNeeds 10 or more, not met.
  • 3 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 2 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Builds critical thinking about machines

    “Teaching them early on that they can’t trust the machines is a net positive.”

    Comment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

    “it is a fun way to work out your critical thinking skill”

    Comment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

What people warn about

Each mark is one comment

  • Site looks LLM-generated

    “It's one of the most obvious signs a site was generated by an LLM.”

    Comment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

    “the entire site screams Claude”

    Comment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

Other educational software people recommend

The three most recommended other educational software, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Lathoa math app for kids compared with 3 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Lathoa math app for kidsThis page9375%2——
GCompris90100%3——
i-Ready61038%2——
Early Reader6186%2——
See all 4 educational software, ranked

What people said

All 14 comments that mention it, newest first. Each links to the original comment.

“The one thing I question is the speed requirement.”

MixedComment from 3 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“You are in a violation of GDPR because you don't show "allow all" and "decline all" buttons equally.”

CriticizesComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“Teaching them early on that they can’t trust the machines is a net positive.”

RecommendsComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“That's not a bug, it’s a feature.”

RecommendsComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“it is a fun way to work out your critical thinking skill”

MixedComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“Errol critically responds back to the user's explanation for the error, with a helpful learning tone.”

RecommendsComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“it also teaches them to speak like a LLM”

MixedComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“first choice 3:45 + 90 min was rejected by the program!”

MixedComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“However, the shadow moves along with the robot.”

MixedComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“I did not understand "today's case" right away.”

CriticizesComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“the entire site screams Claude”

CriticizesComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“It's one of the most obvious signs a site was generated by an LLM.”

MixedComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“both had extremely basic errors my kid would have no problem with”

MixedComment from 1 Oct 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

“What it doesn’t do is help us practice knowing WHEN to use critical thinking.”

MixedComment from 30 Sep 2026 in “Show HN: Lathoa, a math app for kids where the AI is wrong on purpose”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.