99math
Worth it
Confidence: Medium
Elementary and middle-school teachers get real value from this free, fast math-fact fluency game . start with the free tier.
New check
Comparison
99math vs XtraMath
99math and XtraMath both land on Worth it.
XtraMath
Worth it
Confidence: Medium
Buy for elementary teachers, homeschoolers, and parents needing free daily math-fact fluency practice.
| Compare | 99math | XtraMath |
|---|---|---|
| Verdict | Worth it | Worth it |
| Best for | Elementary math-fact fluency | Elementary math fact fluency |
| Who it's not for | Full-curriculum or tutoring needs | Middle and high schoolers . facts-only scope |
| Privacy | No known public vulnerabilities found in the sources reviewed.10 | No known public vulnerabilities found in the sources reviewed. |
| Support quality | Reachability complaints; company responds publicly | No user evidence found |
| Public sentiment | Teachers widely praise it as a fast, engaging math-facts game, with occasional gripes about support and past growth-related glitches.⁴ | Teachers value it as a free, effective fluency tool, while many students find the timed drills boring or frustrating. |
| Biggest gotcha | Premium features sit behind a paid subscription; teachers often crowdfund it via DonorsChoose14 | Timed fluency format stresses anxious kids; expect pushback before results appear |
Pick 99math when
- Elementary math-fact fluency
- Whole-class live competition
- Teachers wanting zero-prep engagement
- Homeschoolers adding drills
When 99math is not a fit
- Full-curriculum or tutoring needs
- High-school math classes
- Districts wanting deep assessment analytics
- Reading/ELA practice seekers
Pick XtraMath when
- Elementary math fact fluency
- Teachers wanting free daily drills
- Homeschool families
- Parents supplementing school math
When XtraMath is not a fit
- Middle and high schoolers . facts-only scope
- Kids who melt down over timed tests
- Families wanting a full math curriculum
- Anyone seeking game-like, engaging practice
Sources
- 99math Review: Fast, Focused Math Practice . Educators Technologyeducatorstechnology.comreview
- Reddit r/Teachers . retaining math factsreddit.comreview
review
- 99math Premium . official support articlesupport.99math.comofficial
- 99math Pricing & Quotes . official supportsupport.99math.comofficial
- 99math Live Math Fact Game . Modulojoinmodulo.comreview
- 99math raises $2.1M . GamesBeatgamesbeat.comnews
- Estonian startup raises $500K . EdSurgeedsurge.comnews
- 99math product security page99math.comsecurity
- Hickman County Schools approved app lisths.hickman.kyschools.ussecurity
- ScamAdviser legitimacy checkscamadviser.comsecurity
- Facebook . customer service complaints threadfacebook.comreview
- DonorsChoose . 99math Premium projectdonorschoose.orgreview
- XtraMath homepagextramath.orgofficial
- Is XtraMath free?home.xtramath.orgofficial