Comparison

MAP Reading Fluency Testing vs Number Rack, by MLC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MAP Reading Fluency Testing

This application enables K-5 students to take reading fluency assessments on an iPad. It measures oral reading fluency, foundational skills, and reading comprehension in a single, adaptive test. Teachers benefit from quick, automatic scoring and group testing capabilities.

Highlights
  • Oral reading fluency assessment
  • Foundational skills measurement
  • Reading comprehension testing
  • Adaptive assessment
  • Automatic scoring
  • Group testing
Features
Read full description

The MAP® Reading Fluency™ Testing app from NWEA® allows students to complete our K-5 MAP Reading Fluency assessments using an iPad®. The app is required for MAP Reading Fluency assessments on iPad devices. Quickly and accurately assess your K–5 readers. MAP® Reading Fluency™ enables teachers to efficiently measure oral reading fluency with an online, adaptive assessment. In addition to fluency, the test measures foundational skills and reading comprehension—all with one 20-minute assessment. Group testing and automatic scoring return valuable time to teachers.

About

Number Rack, by MLC

This virtual manipulative tool helps children develop number sense through interactive bead groupings. It supports exploration of addition and subtraction strategies with customizable rows and colors. Ideal for elementary classrooms, it includes annotation and sharing features.

Highlights
  • 1-10 rows of 10 beads
  • Resizable bead covers for subtraction
  • Color-coded bead rows
  • Annotation and drawing tools
  • Math text and writing tools
  • Shareable work via image or code
Features
Read full description

Number Rack facilitates the natural development of children’s number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction strategies. This virtual version of the manipulative is an open-ended educational tool, ideal for elementary classrooms and other learning environments. FEATURES • Display 1 to 10 rows of beads, 10 beads per row. • Hide beads with resizable covers, which allows teachers or learners to model subtraction or difference problems. • Reverse the colors of rows 6 to 10 to distinguish (or not) groupings of 25 beads. • Use the drawing tools to annotate work and show understanding. • Add equations, expressions, and descriptions with the math text and writing tools. • Share work by saving an image or providing a share code to others. Great for creating the initial setup of an activity, then sharing it with students so they can explore it further.

Verdict

The call

The clearest difference is update cadence: MAP Reading Fluency Testing at every 4 months against Number Rack, by MLC's every 25 months. MAP Reading Fluency Testing also leads on ratings volume (30 vs 9). Number Rack, by MLC's advantage is rating (3.2 vs 3.0) and iOS requirement (14.7 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Number Rack, by MLC holds the better App Store score, 3.2 against 3.0. Both are backed by a comparable volume of ratings — 30 and 9 respectively.

UpkeepUpdate frequency

MAP Reading Fluency Testing ships an update every 4 months, Number Rack, by MLC every 25 months. The most recent releases landed on September 10, 2026 and June 24, 2026 respectively.

Scorecard4 real differences · 6 level
MAP Reading Fluency Testing versus Number Rack, by MLC: the parameters behind the verdict, then further details
ParameterMAP Reading Fluency TestingNumber Rack, by MLC
PriceFreeFree
Rating3.0 (30 ratings)3.2 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings30 — better9
Update frequencyEvery 4 months — betterEvery 25 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS17.014.7 — better
Further details — not scored
Size276 MB4 MB
Age rating4+4+
DeveloperNWEAThe Math Learning Center

Customer experience

MAP Reading Fluency Testing

All ratings30 ratings
Positive46.7%
Neutral0.0%
Negative53.3%

Number Rack, by MLC

All ratings9 ratings
Positive55.6%
Neutral0.0%
Negative44.4%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MAP Reading Fluency Testing

No in-app purchases

None

Number Rack, by MLC

No in-app purchases

Questions

Is MAP Reading Fluency Testing free?
MAP Reading Fluency Testing is free to download, with no in-app purchases.
Is Number Rack, by MLC free?
Number Rack, by MLC is free to download, with no in-app purchases.
Which has better reviews, MAP Reading Fluency Testing or Number Rack, by MLC?
Number Rack, by MLC is rated higher. MAP Reading Fluency Testing averages 3.0 out of 5 from 30 ratings, while Number Rack, by MLC averages 3.2 from 9 ratings.
Do MAP Reading Fluency Testing or Number Rack, by MLC have ads?
Neither MAP Reading Fluency Testing nor Number Rack, by MLC shows ads.
Which is updated more often, MAP Reading Fluency Testing or Number Rack, by MLC?
MAP Reading Fluency Testing ships an update every 4 months, and Number Rack, by MLC every 25 months. Most recently, MAP Reading Fluency Testing was updated on September 10, 2026 and Number Rack, by MLC on June 24, 2026.

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