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Should I use 99math?

Teacher - 99math.com

Worth it. Elementary and middle-school teachers get real value from this free, fast math-fact fluency game — start with the free tier. Skip it if you need full curriculum coverage, tutoring depth, or high-school math content.

Confidence

Medium. Based on ~20 public sources: teacher reviews, Reddit threads, district privacy lists, vendor docs, and funding news. Many snippets truncated, so no numeric app ratings available.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Free

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
PremiumNot disclosed in sources
Schools/DistrictsCustom quote

Best for

  • Elementary math-fact fluency
  • Whole-class live competition
  • Teachers wanting zero-prep engagement
  • Homeschoolers adding drills

Not for

  • Full-curriculum or tutoring needs
  • High-school math classes
  • Districts wanting deep assessment analytics
  • Reading/ELA practice seekers

Gotchas - check before you buy

medium

Premium features sit behind a paid subscription; teachers often crowdfund it via DonorsChoose

medium

Support responsiveness criticized in the teacher community; vendor directs users to message directly

low

Premium pricing not published; school and district pricing requires a vendor quote

low

Past growth-related outages reported; vendor says issues were resolved

Pros and cons

Pros

  • Free multiplayer math game with a free teacher tier
  • Teachers praise quick, easy setup for class play
  • Well-liked for math-fact fluency practice
  • Works well as a group activity that engages students
  • Appears on multiple districts' student-data-privacy approval lists

Cons

  • Math-facts drills only; no full curriculum
  • Best as group play; weaker for individual practice
  • Some users report trouble reaching customer service
  • Growth-related problems disrupted service previously

Sources & method

Analyzed 10/01/2026 - 14 sources - No known vulnerabilities found in the sources reviewed.

official x2review x7security x3news x2

Key stats

  • Value for money: 4/5

    Rating

  • $0

    Starting price

  • 14

    Sources

  • Analyzed

  • Value for money: 4/5. Free core; teachers crowdfund Premium
  • Ease of use: 5/5. Teachers repeatedly call setup quick and easy
  • Feature depth: 2/5. Deliberately narrow: math-facts drills only
  • Support quality: 3/5. Reachability complaints; company responds publicly
  • Security posture: 4/5. On district privacy-approval lists; no public breaches
  • $2.1M Funding Raised July 2022
  • Yes Free tier Free for teachers; Premium optional
  • 8 Investors Per Crunchbase
  • Tallinn, Estonia HQ Founded by Timo Timmi

Pricing

Free

$0

  • Free multiplayer live math games
  • Free teacher tier

Premium

Not disclosed

  • Extra features per vendor docs
  • Subscription funded via DonorsChoose by some teachers

Schools/Districts

Not disclosed

  • Pricing handled through vendor quote process

Security

No known vulnerabilities found in the sources reviewed.

Alternatives

Compare 99math with each alternative.

  • Khan Academy

    Free full math curriculum; deeper learning, less competitive fun

Companies that use it

  • Hickman County Schools11
  • Maine-Endwell Central School District
Full analysis

Based on ~20 public sources: teacher reviews, Reddit threads, district privacy lists, vendor docs, and funding news. Many snippets truncated, so no numeric app ratings available.

Free, fast math-facts game teachers love. Narrow: practice drills, not a full math curriculum.

Methodology

Based on ~20 public sources: teacher reviews, Reddit threads, district privacy lists, vendor docs, and funding news. Many snippets truncated, so no numeric app ratings available.

Sources

  1. 99math Review: Fast, Focused Math Practice — Educators Technologyeducatorstechnology.com
    review
  2. Reddit r/Teachers — retaining math factsreddit.com
    review
  3. Reddit r/mathteachers — math facts on iPadreddit.com
    review
  4. Reddit r/education — program like 99math for readingreddit.com
    review
  5. 99math Premium — official support articlesupport.99math.com
    official
  6. 99math Pricing & Quotes — official supportsupport.99math.com
    official
  7. 99math Live Math Fact Game — Modulojoinmodulo.com
    review
  8. 99math raises $2.1M — GamesBeatgamesbeat.com
    news
  9. Estonian startup raises $500K — EdSurgeedsurge.com
    news
  10. 99math product security page99math.com
    security
  11. Hickman County Schools approved app lisths.hickman.kyschools.us
    security
  12. ScamAdviser legitimacy checkscamadviser.com
    security
  13. Facebook — customer service complaints threadfacebook.com
    review
  14. DonorsChoose — 99math Premium projectdonorschoose.org
    review

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