Comparison

Rainbow Sentences vs Word Vault Pro

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

Head to head
About

Rainbow Sentences

This app uses color-coded visual cues to help students construct grammatically correct sentences. It breaks down sentence parts like who, what, and where, allowing users to build and record sentences in their own voice. Designed for young learners, it offers interactive lessons and engaging rewards.

Highlights
  • Color-coded sentence parts
  • Drag and drop sentence creation
  • Audio support for words
  • Sentence recording and saving
  • 6 levels of sentence complexity
  • Pictograph lessons
  • Earnable puzzle piece rewards
Features
Read full description

Own as an individual app or as part of our MES Speech Therapy Bundle. Winner - 2012 Best Language Development App - Technology in Special Education Finalist - Best Education App of 2012 - Best Apps Ever Rainbow Sentences is designed to help students improve their ability to construct grammatically correct sentences by using color coded visual cues. The who, what, where, and why parts of sentences are color coded to help students recognize and understand how combinations of these parts create basic sentence structure. Students will learn how to recognize the parts of sentences such as nouns, verbs, and prepositions, improve their understanding of how combinations of these parts create basic sentence structure. Students have the opportunity to record their sentences in their own voice to improve their receptive and expressive language skills. Rainbow Sentences offers a unique environment for improving a student's ability to create grammatically correct sentences. FEATURES -168 images to create sentence from -Intuitive drag and drop to create sentences -Words are spoken as they are being dragged for non readers -Words can be color coded for added visual support -Word groups can be selected to simplify sentence construction -6 levels of sentence complexity -Pictograph lessons to help students learn proper sentence construction -Record feature allows students to record sentences in their own voice -Save and email recorded sentences -Students earn puzzle pieces during play to encourage continued play -Puzzles come to life once level is complete LANGUAGES - English REQUIREMENTS - Compatible with iPad - Requires iPad 11 software update Mobile Education Store is a member of Moms with Apps, a collaborative group of family-friendly developers seeking to promote quality apps for kids and families. Recommended Ages: 3-6, 6-10 Categories: Special Needs, Education

About

Word Vault Pro

This app is a comprehensive tool for speech-language pathologists, educators, and parents to teach articulation, language, and social skills. It offers a vast library of flashcards, audio recordings, and interactive content, with the ability to customize lists and track client progress.

Highlights
  • Articulation, language, and social skills teaching
  • 1800+ HD real-world picture flashcards
  • 25+ categories with images/activities
  • Over 20,000 audio recordings
  • Custom word, phrase, and picture addition
  • Client profile and group management
  • Progress data tracking and email reporting
Features
Read full description

*** I can't say enough wonderful comments about this app! - Sue *** "I absolutely love this app." - Amy, SLP *** The ultimate tool for SLPs, parents, teachers, and professionals to teach articulation, language, and social skills. Quickly find and use functional words, phrases, sentences, stories, flashcards, and audio by sound, blend, place, difficulty, or concept through easy navigation. Word Vault Pro is easier to use than ever before and now provides you with 1800+ HD real world picture flashcards, 25+ categories with images or interactive activities, and audio for every word, phrase, sentence, story, question, and content category (over 20,000 recordings!) If you need more than what comes in the app...no problem. You can add your own custom words, phrases, pictures, and record your own audio for any list. Create and organize custom lists in My Vault to fit the individual needs of those you work with. Easily create and edit client profiles and groups to maximize therapy time and practice. If you run out of time the Vault, Place, and Level of Difficulty is saved for each profile you work with, and returns you exactly to the place you left off, the next time you work with them. Word Vaul Pro’s smart and easy to use client management and data tracking system allows you to work with up to 10 clients at a time and record data for each individual while working in different content areas of the app. Email progress data to any recipient of your choice. The 1-touch email feature allows you to send any content (even words and lists you create) seamlessly to anyone for home practice, or you can simply invite them to download the free version of Word Vault on their iOS device. Developed by two ASHA certified Speech Language-Pathologists Word Vault Pro makes teaching all areas of speech and language easier. *This app is dedicated to my Mom for always believing in me, we miss you Grammy Nov. 1951 - Feb 2011, for my Dad who taught me how to work hard, for my Wife who I love and has been so supportive during this journey, and for my kids who keep me smiling.

Screenshots

Word Vault Pro4 screens

Verdict

The call

The clearest difference is price: Rainbow Sentences at $9.99 against Word Vault Pro's $49.99. Rainbow Sentences also leads on review sentiment (94% vs 50%). Word Vault Pro's advantage is rating (4.6 vs 3.7) and update cadence (fortnightly vs every 6 months). On 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

Rainbow Sentences costs $9.99 and Word Vault Pro $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Word Vault Pro holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Word Vault Pro has 458 ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 94% of Rainbow Sentences's written reviews are positive against 50% of Word Vault Pro's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Rainbow Sentences ships an update every 6 months, Word Vault Pro fortnightly. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

Scorecard7 real differences · 3 level
Rainbow Sentences versus Word Vault Pro: the parameters behind the verdict, then further details
ParameterRainbow SentencesWord Vault Pro
Price$9.99 — better$49.99
Rating3.7 (15 ratings)4.6 (458 ratings) — better
Positive reviews94.4% of reviews — better50.0% of reviews
Number of ratings15458 — better
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS11.07.0 — better
Further details — not scored
Size179 MB10 MB
Age rating4+4+
DeveloperMobile Education Store LLCHomeSpeechHome PLLC

Customer experience

Rainbow Sentences

All ratings15 ratings
Positive66.7%
Neutral13.3%
Negative20.0%
Written reviews90 reviews
Positive94.4%
Neutral3.3%
Negative2.2%

Word Vault Pro

All ratings454 ratings
Positive87.9%
Neutral4.4%
Negative7.7%
Written reviews42 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

User reviews

Rainbow Sentences

From 15 App Store ratings

What we love

  • 👍 Highly customizable and adaptable
  • 🎨 Color-coding for visual learners
  • 🗣️ Recording and playback feature
  • 🧩 Motivating reward system (puzzles)
  • 📊 Progress tracking and reporting

Room to improve

  • 😠 Ads in a paid app
  • 🚫 Unremovable advertisements
  • 🐛 App loads into settings
  • 🧩 Puzzle can be distracting
  • 🚧 Cannot go from sentence building to settings/stats

Word Vault Pro

From 458 App Store ratings

What we love

  • 👍 Great concept for speech therapy
  • 👍 Useful word lists and stimuli
  • 👍 Engaging for children
  • 👍 Good for big groups
  • 👍 User-friendly on phone and iPad

Room to improve

  • 🐛 Pictures not downloading
  • 🐛 Paid features missing
  • 🐛 Limited functionality
  • 🐛 Workarounds needed
  • 🐛 Can't create custom lists with photos

Bugs and requests

Rainbow Sentences

Reported bugs

15 issues
  • Advertisement cannot be gotten rid of
  • App loads into settings
  • Program loads into settings options
  • Advertisement for another Mobile app that cannot be gotten rid of
  • App description page only scrolls partway
Show 10 more
  • App does not work at all
  • Only get a picture and no words
  • Email stats button not working
  • Unable to email stats
  • Screen not displaying correctly
  • Problem with iPad settings
  • Cannot go from sentence building to settings or statistics page until/unless sentence is correctly built
  • Play Lesson button placement issue
  • Difficulty dragging words
  • Color scheme does not match industry standard Fitzgerald Key

Requested features

31 requests
  • Remove ads from paid app
  • Set app to load into play mode by default
  • Restrict settings for adults only
  • Add questions and past/future tenses
  • Make pictures more age-appropriate for high school
Show 26 more
  • Turn off the puzzle feature
  • Move 'Play Lesson' button
  • Add foreign language versions
  • Vocalize words when first selected
  • Categorize words by parts of speech
  • Provide definitions of parts of speech
  • Add more levels with additional parts of speech
  • Option to remove picture clue
  • Move text placement lines closer to picture
  • Enlarge text size
  • Words on the bottom of the screen to speak when touched
  • Set custom color coding
  • Accommodate different country spellings
  • More sentences required for each reinforcer/puzzle piece
  • More immediate feedback with each correct answer
  • Words at the bottom of the picture spoken instead of printed
  • Option to auto-advance to the next level
  • Make the child place the puzzle piece themselves
  • Variety of praise statements instead of just 'That's right'
  • More reward puzzles per level
  • Multi-player option
  • Option to move a word back to the word bank
  • Allow children to place earned puzzle pieces themselves
  • More interest level choices for sentences
  • Different country spellings
  • More levels with increased difficulty for older users

Word Vault Pro

Reported bugs

15 issues
  • Cannot get access/sign in issues
  • Pictures will not download
  • Paid features not working
  • Folders from free version not in paid version
  • Pictures missing for many categories
Show 10 more
  • App keeps crashing
  • App crashes when selecting student
  • App crashes when switching profiles
  • Inconsistent word lists and pictures
  • App resets to beginning of list when switching students
  • Cannot access Pro pictures after previous year
  • No student profiles after re-downloading app
  • Login issues
  • Picture for 'sack' is 'cereal'
  • No 'sh' words

Requested features

20 requests
  • Allow importing own words, lists, stories, questions
  • Add stories with figurative language and pictures
  • Add pictures to idioms
  • Option for having just one word on the screen at a time
  • On-the-go data collection
Show 15 more
  • More phonological processes represented
  • Number each stimulus for easier scoring
  • Ability to chart client scores over time
  • Make app work better for British English
  • Adjust sample/practice phrases for non-children
  • Add custom pictures/audio to My Vault
  • Make games/tools folder accessible in paid version
  • Ensure pictures show for all words
  • Include pictures for all sections (e.g., vowels, minimal pairs)
  • Improve editing of word lists
  • Easier creation of custom lists with photos
  • Ability to create lists of specific words from existing lists
  • Make app stay on the item when switching between players
  • Add dark mode option
  • Advanced analytics dashboard

In-app purchases

None

Rainbow Sentences

No in-app purchases

None

Word Vault Pro

No in-app purchases

Questions

Is Rainbow Sentences free?
Rainbow Sentences costs $9.99, with no in-app purchases.
Is Word Vault Pro free?
Word Vault Pro costs $49.99, with no in-app purchases.
Which has better reviews, Rainbow Sentences or Word Vault Pro?
Word Vault Pro is rated higher. Rainbow Sentences averages 3.7 out of 5 from 15 ratings, while Word Vault Pro averages 4.6 from 458 ratings.
Do Rainbow Sentences or Word Vault Pro have ads?
Neither Rainbow Sentences nor Word Vault Pro shows ads.
Which is updated more often, Rainbow Sentences or Word Vault Pro?
Rainbow Sentences ships an update every 6 months, and Word Vault Pro fortnightly. Most recently, Rainbow Sentences was updated on October 21, 2026 and Word Vault Pro on October 29, 2026.

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