Comparison

Math Vocabulary Cards, by MLC vs BDI

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

Head to head
About

Math Vocabulary Cards, by MLC

This app helps students understand math terms with interactive flashcards. It offers definitions, examples, and practice modes, with options to hide or reveal information and switch between English and Spanish. It's designed for elementary classrooms and aligns with specific math curricula.

Highlights
  • Interactive flashcards with terms, examples, and definitions
  • Hide/reveal sections for practice
  • English and Spanish language support
  • Select cards by category or individually
  • Self-check mode for students
  • Share card sets via code for teachers
Features
Read full description

Math Vocabulary Cards help students deepen their conceptual understanding of key terms in mathematics. Each card features three sections: a math term, a representative example or model, and a concise definition. Each section can be hidden or revealed providing multiple options for practice. Vocabulary cards can be selected individually or by category and switched seamlessly between English and Spanish. Math Vocabulary Cards are ideal for elementary classrooms and other learning environments that use iPads. These key mathematical terms are featured throughout the Bridges in Mathematics K-5 curriculum. FEATURES: • Choose cards sets for grades K-2 or 3-5. • Select cards by category or individually. • Cards can be automatically sorted in random or alphabetical order. • Hide and reveal one or more sections of each card. • View terms and definitions in English or Spanish. • Students can use self-check mode to mark off cards they know. • Teachers can send selected card sets to students via a share code. ABOUT US This resource is brought to you by The Math Learning Center, a nonprofit organization dedicated to K-12 education since 1976. Our mission is to inspire and enable individuals to discover and develop their mathematical confidence and ability. www.mathlearningcenter.org This app was crafted by Clarity Innovations. We help improve teaching and learning by creating solutions that match promising technologies with the needs of education. Visit us: www.clarity-innovations.com

About

BDI

This application assists in administering clinical assessments for child development. It offers guided digital support for scoring, timers, and reporting, functioning both online and offline. Users can manage student data and sync assessments for web-based access.

Highlights
  • Online and offline assessment administration
  • Guided digital scoring assistance
  • Basal and ceiling indicators
  • Built-in timers
  • Modular reporting options
  • Student data management
Features
Read full description

BDI-3 Mobile Data Solution (MDS) is an online and offline application to assist with the administration of the Battelle® Developmental Inventory 3rd Edition™ suite of products. The Battelle Developmental Complete, BDI-3 Screening Test, and the Battelle Early Academic Survey are clinical assessments that may be assessed through the BDI-3 MDS. The application provides guided digital assistance with the administration of each of the three products. The guided digital assistance includes basal and ceiling indicators, tallied scoring, built in timers, scoring rubrics, and modular reporting options. Within the application the user will be able to add students, administer all three types of BDI-3 assessments, and run reports both online and offline. It also allows the user to sync mobile record forms that they can then access on the riversidescore.com website.

Verdict

The call

The clearest difference is rating: Math Vocabulary Cards, by MLC at 3.3 against BDI's 2.3. BDI's advantage is update cadence (every 2 months vs every 16 months) and iOS requirement (13.0 vs 15.4). On price, ratings volume, ads and in-app purchases 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

Math Vocabulary Cards, by MLC holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively.

UpkeepUpdate frequency

Math Vocabulary Cards, by MLC ships an update every 16 months, BDI every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Math Vocabulary Cards, by MLC versus BDI: the parameters behind the verdict, then further details
ParameterMath Vocabulary Cards, by MLCBDI
PriceFreeFree
Rating3.3 (4 ratings) — better2.3 (6 ratings)
Positive reviews100.0% of reviews—
Number of ratings46 — better
Update frequencyEvery 16 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPad
Requires iOS15.413.0 — better
Further details — not scored
Size176 MB208 MB
Age rating4+4+
DeveloperThe Math Learning CenterRiversideInsights

Customer experience

Math Vocabulary Cards, by MLC

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BDI

All ratings6 ratings
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

Math Vocabulary Cards, by MLC

No in-app purchases

None

BDI

No in-app purchases

Questions

Is Math Vocabulary Cards, by MLC free?
Math Vocabulary Cards, by MLC is free to download, with no in-app purchases.
Is BDI free?
BDI is free to download, with no in-app purchases.
Which has better reviews, Math Vocabulary Cards, by MLC or BDI?
Math Vocabulary Cards, by MLC is rated higher. Math Vocabulary Cards, by MLC averages 3.3 out of 5 from 4 ratings, while BDI averages 2.3 from 6 ratings.
Do Math Vocabulary Cards, by MLC or BDI have ads?
Neither Math Vocabulary Cards, by MLC nor BDI shows ads.
Which is updated more often, Math Vocabulary Cards, by MLC or BDI?
Math Vocabulary Cards, by MLC ships an update every 16 months, and BDI every 2 months. Most recently, Math Vocabulary Cards, by MLC was updated on November 6, 2026 and BDI on November 3, 2026.

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