Comparison

Vocab Word Study vs Reader Meter

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

Head to head
About

Vocab Word Study

Learn new words daily with short, engaging lessons. Practice using words in sentences with AI-powered feedback to improve comprehension and writing skills. Ideal for students and language learners.

Highlights
  • Learn 3 new words daily
  • Short, few-minute lessons
  • Sentence usage practice
  • Real-time AI feedback
  • Standardized test prep focus
  • ESL learning support
Features
Read full description

Vocab Word Study helps you build a rich vocabulary in just a few minutes a day! You will learn 3 words a day, and each lesson takes only a few minutes. Step 1: learn the word and how it's used in a sentence. Step 2: answer a multiple choice problem to help reinforce the word's definition Step 3: write your own sentence with the word, and get real-time feedback on how to improve! There is no better way to learn vocabulary than using the word in a sentence. Our AI integration provides you with amazing feedback on your word, in real-time. This is a great study/learning app for: * Middle school (6th grade, 7th grade, 8th grade) students who want to improve their reading and writing comprehension. * High school students (9th grade, 10th grade, 11th grade, 12th grade) preparing for the pre-SAT, SAT, ACT, English writing, and college * Standardized test prep (SAT, PSAT, ACT, CoGAT, Selective Enrollment) * College/University students looking to continually learn words * English language learners (ESL) We are now starting to include the best words from some of the most lexically diverse English authors, including Mark Twain. Visit http://www.vocabwordstudy.com to learn more. Questions or suggestions? We'd love to hear from you! Contact us and let us know!

About

Reader Meter

Assess a child's reading fluency and accuracy using any book or passage. Upload text via camera, mark errors as they read, and get instant calculations for accuracy and fluency. Connect to a web app for student management and error analysis.

Highlights
  • Oral Reading Fluency (ORF) assessment
  • Camera text upload
  • Error marking during reading
  • Automatic accuracy and fluency calculation
  • Web app integration for student management
  • Error analysis for instructional insights
Features
Read full description

Your Oral Reading Fluency (ORF) app. Now you can quickly assess the accuracy and fluency of a child/student's reading with just about any book or passage. Use the camera to upload the text of choice. Make any needed edits (removing page numbers, etc.). Then listen as your student or child reads the text, marking errors as they go. When you mark the end of the reading, the app automatically calculates the accuracy and fluency. No need to pull out a timer or calculator. Connect with the web app to add students and see an error analysis to help inform your next instruction.

Screenshots

Vocab Word Study4 screens
Reader Meter4 screens

Verdict

The call

The clearest difference is review sentiment: Vocab Word Study at 100% against Reader Meter's 0%. Vocab Word Study also leads on price (Free vs $4.00) and update cadence (every 2 days vs every 6 months). Reader Meter's advantage is iOS requirement (15.1 vs 18.0). On ads, in-app purchases and device support 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

Vocab Word Study is free to download; Reader Meter costs $4.00 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Vocab Word Study ships an update every 2 days, Reader Meter every 6 months. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

Scorecard5 real differences · 5 level
Vocab Word Study versus Reader Meter: the parameters behind the verdict, then further details
ParameterVocab Word StudyReader Meter
PriceFree — better$4.00
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings7 — better—
Update frequencyEvery 2 days — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size4 MB36 MB
Age rating4+4+
Developerjsdf, LLCSavannah Ngo

Customer experience

Vocab Word Study

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Reader Meter

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Vocab Word Study

No in-app purchases

None

Reader Meter

No in-app purchases

Questions

Is Vocab Word Study free?
Vocab Word Study is free to download, with no in-app purchases.
Is Reader Meter free?
Reader Meter costs $4.00, with no in-app purchases.
Do Vocab Word Study or Reader Meter have ads?
Neither Vocab Word Study nor Reader Meter shows ads.
Which is updated more often, Vocab Word Study or Reader Meter?
Vocab Word Study ships an update every 2 days, and Reader Meter every 6 months. Most recently, Vocab Word Study was updated on September 28, 2026 and Reader Meter on September 27, 2026.

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