Comparison

Addition Concentrated vs Syntactic Analysis

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

Head to head
About

Addition Concentrated

Practice addition with single to five-digit numbers using two distinct methods. Offers visual customization options for accessibility and large display for classroom use.

Highlights
  • Addition practice
  • Single to five-digit numerals
  • Column-by-column method
  • Multiple choice mode
  • Customizable background colors
  • Large numeral display
Features
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Solve addition problems of one-digit to five-digit numerals, either in the traditional right-to-left, column-by-column method; or in multiple choice mode, to select the answer from four choices. Eight background color choices including white-on-black and black-on-white, for users with mild visual impairment. Perfect for use with a classroom iPad. Numerals, as displayed on the iPad, are large enough to be seen at a distance, so it's great for a group demonstration or a challenge between teams.

About

Syntactic Analysis

Features
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Our Online English Grammar and Syntax Analyzer is a powerful yet beginner-friendly tool created for students, teachers, and language learners. It automatically analyzes sentences to identify parts of speech, clauses, predicates, and structural issues. Built on simplified, school-level grammar logic, the app is ideal for practice, learning, and teaching. Key Features 1. Parts of Speech Identification Instantly get a detailed list of words with Universal Part-of-Speech (UPOS) tags. Perfect for assignments, grammar drills, and understanding how words function within sentences. 2. Subject & Predicate Detection Automatically highlights the subject, the simple predicate (main verb), and the complete predicate (verb phrase) to help users grasp sentence structure. 3. Fragment Detection Identifies whether a sentence has both a subject and predicate (including linking verbs). Helps learners quickly recognize incomplete thoughts. 4. Run-on Sentence Detection Flags run-on sentences using a practical heuristic: multiple verbs without conjunctions or punctuation. A lightweight yet effective tool for training and exercises. 5. Clause Identification Distinguishes between independent and dependent clauses using Universal Dependencies (UD) labels. Essential for mastering sentence types and complex grammar structures. 6. Parallelism Check Checks if coordinated elements match in part of speech. Highlights mismatches, guiding learners to correct parallelism errors in writing. 7. Punctuation Validation Ensures every sentence ends with correct punctuation (., !, or ?), reinforcing complete and grammatically correct writing habits. Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Addition Concentrated4 screens
Syntactic Analysis1 screens

Verdict

The call

The clearest difference is price: Syntactic Analysis at Free against Addition Concentrated's $0.99. Syntactic Analysis also leads on update cadence (every 3 months vs every 25 months). Addition Concentrated's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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

Syntactic Analysis is free to download; Addition Concentrated costs $0.99 up front. Syntactic Analysis sells 2 in-app purchases, starting at $1.99 per month. Addition Concentrated asks for nothing beyond the download.

UpkeepUpdate frequency

Addition Concentrated ships an update every 25 months, Syntactic Analysis every 3 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Addition Concentrated versus Syntactic Analysis: the parameters behind the verdict, then further details
ParameterAddition ConcentratedSyntactic Analysis
Price$0.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 25 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size2 MB12 MB
Age rating4+4+
DeveloperCatherine VittiMaksim Gusev

In-app purchases

None

Addition Concentrated

No in-app purchases

2 purchases

Syntactic Analysis

Subscriptions1
  • Professional version$1.991 Month
One-time1
  • Adding 1,000,000 characters$1.99

Questions

Is Addition Concentrated free?
Addition Concentrated costs $0.99, with no in-app purchases.
Is Syntactic Analysis free?
Syntactic Analysis is free to download, with in-app purchases available.
Do Addition Concentrated or Syntactic Analysis have ads?
Syntactic Analysis shows ads; Addition Concentrated does not.
Which is updated more often, Addition Concentrated or Syntactic Analysis?
Addition Concentrated ships an update every 25 months, and Syntactic Analysis every 3 months. Most recently, Addition Concentrated was updated on October 5, 2026 and Syntactic Analysis on October 13, 2026.

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