Grammar Express vs Inference Clues
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grammar Express
Master the different types of nouns with interactive lessons and quizzes. Improve your understanding of noun classification, gender, number, and case through practice questions and detailed feedback. Track your progress with visual charts and customize your learning experience with adjustable timers.
- 48+ pages of grammar lessons and rules
- 327+ examples with explanations
- 450 multiple-choice questions
- Topic-based study and mock tests
- Detailed test results and progress tracking
- Customizable timer settings
- Voice-over feature
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Grammar Express: Nouns is the complete course in mastering the kinds of noun such as common noun, proper noun, collective noun, material noun and abstract noun. It contains over 48 pages of lessons explaining Noun-Number, Gender and Case with several examples. You can learn the grammar rules, study the examples and test their understanding by taking quiz. At the end of quiz the user is presented with test summery and explanation for each test question. Grammar Express can help you to improve your understanding of kinds of noun and their classification into concrete and abstract noun. Custom timer setting can assist you to improve response times under exam time constraints. Research suggest that kids and adults learn most quickly when playing learning games with real-time error-feedback. Grammar Express provides learners with an opportunity to improve strategies for grammar success. ~~~~~~~~~~~~~~~ PREPARE BY TOPICS: ~~~~~~~~~~~~~~~ You can study the grammar rules by topic. All questions are sorted by topic. It also tells you the areas that each topic covers. 1. Noun-Case 2. Noun-Gender 3. Noun-Number ~~~~~~~~~~~~~~~ MOCK TEST MODE: ~~~~~~~~~~~~~~~ In mock test questions are presented randomly from all the topics. ~~~~~~~~~~~~~~~ DETAILED TEST RESULTS: ~~~~~~~~~~~~~~~ A summary of the practice test is presented at the end of each test. It shows you the time you took, the score, which questions you answered correctly and where you were wrong. ~~~~~~~~~~~~~~~ PROGRESS METER: ~~~~~~~~~~~~~~~ The app records your progress as you start giving practice tests. It shows you a beautiful pie chart so that you can track your weak areas and give more focus on them. ~~~~~~~~~~~~~~~ VERY EASY TO USE: ~~~~~~~~~~~~~~~ The slick user interface allows you to choose from possible answers. You don’t need to press too many buttons or encounter any alert messages. The app is very interactive and needs minimum user input Innovative use of iPhone’s small screen real estate. ~~~~~~~~~~~~~~~ FEATURE LIST: ~~~~~~~~~~~~~~~ • Voice over • Over 48 pages of grammar lessons and rules with over 327 examples. • 450 multiple -choice questions with explanation. • Choose number of questions you would like in each test. • A new module, “Pie chart” keeps track of how you are performing in a particular topic or mock test. • Choose your own timer settings. • Special algorithm that randomizes questions every time you take a test. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Inference Clues
This app helps children develop reading comprehension by teaching them to identify clues and make inferences. It offers a step-by-step, game-like learning experience with a reward system to keep young learners motivated. It's suitable for independent use or with a therapist.
- Builds inference skills step-by-step
- Identifies clue words for inferences
- Incremental learning with unlocked levels
- Guided learning for correct answers
- Reward Center for motivation
- Detailed reporting for up to 10 students
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** Featured on FunEducationalApps.com & theAppyLadies.com ** Inference Clues helps build strong reading comprehension skills in a fun, game-like environment. As well as generating inferences, players identify the clue words that lead to an inference -- a vital comprehension skill and part of the Common Core standards. ***** 5 Stars! This is another great app from Happy Frog. I really like how your apps target a specific skill. ***** 5 Stars Just what my son needed. Thanks for your great apps. We are working our way through all of them! Inference Ace 2 is targeted to children in Grades 2-5 who can read the words (decode), but who need help with understanding what they read. Key Features: - Builds inference skills step-by-step until mastery. - Incremental learning. New levels are unlocked only when your child is ready. - Can be used independently (just hand it over, your child will know what to do) or with a therapist for reading intervention. - Guided learning for less frustration. Your child will always arrive at the correct answer. - Fun and engaging Reward Center to increase motivation. - Advanced levels include timers to ensure fluency. Research shows fluency in the foundation skills is critical to reading comprehension. - Detailed reporting for up to 10 students to meet the needs of teachers, therapists and parents. Inference Clues can be used at the same time as Inference Ace (our other inferencing app), or it can be used after Inference Ace has been completed. You can try this app by downloading the free version. The free version has 4 free levels for one player. You can purchase levels and players separately through in-app purchases. If you prefer no in-app purchases, please see the 'School Edition' of this app. We are a member of the 'Moms with Apps program. We collect NO private information in our app, and our apps do not allow unrestricted web access. Our apps are designed for and tested by typical and special needs children. Testers include children with Autism and other special needs. Our apps work for them! We take customer service very seriously! If you ever have a problem or find that we've missed something, contact us at our website and we will do our best to fix the problem.
Screenshots
Verdict
The clearest difference is review sentiment: Inference Clues at 80% against Grammar Express's 0%. Inference Clues also leads on rating (3.3 vs 2.0) and ratings volume (12 vs 1). Grammar Express's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, 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
Both are free to download. Grammar Express sells 1 one-off in-app purchase and Inference Clues sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Inference Clues holds the better App Store score, 3.3 against 2.0. That said, the two scores are not equally well evidenced: Inference Clues has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Grammar Express's written reviews are positive against 80% of Inference Clues's.
Grammar Express ships an update every 13 months, Inference Clues every 8 months. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | Grammar Express | Inference Clues |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 3.3 (12 ratings) — better |
| Positive reviews | 0.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 1 | 12 — better |
| Update frequency | Every 13 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.2 — better |
| Further details — not scored | ||
| Size | 10 MB | 24 MB |
| Age rating | +4 | 4+ |
| Developer | Webrich Software Limited | Janine Toole |
Customer experience
Grammar Express
Inference Clues
In-app purchases
Grammar Express
- Full Question Bank$1.99
Inference Clues
- Update to 2 Players$1.99
- Unlock Levels: Inference Ace 2$2.99
- Upgrade to 10 Players$2.99
Questions
Is Grammar Express free?
Is Inference Clues free?
Which has better reviews, Grammar Express or Inference Clues?
Do Grammar Express or Inference Clues have ads?
Which is updated more often, Grammar Express or Inference Clues?
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