Linear System Solver vs AI Essay Writer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linear System Solver
Read full descriptionHide full description
This application helps students or any person who needs, to solve a system of 3 linear equation with 3 unknowns. A system of linear equations is of this type: / | a11.x + a12.y + a13.z = c1 | a21.x + a22.y + a23.z = c2 | a31.x + a32.y + a33.z = c3 \ Values are required for x,y,z which satisfy the 3 equations. In the application skema, insert the matrix coefficients: a11 a12 a13 a21 a22 a23 a31 a32 a33 and next insert the constant values: c1 c2 c3 Finally, hit the Solve button. If the system has a real solution, this will be shown (x,y,z) in the last row. If no real solution exists, NO,NO,NO will be shown.
AI Essay Writer
This app assists users in writing, paraphrasing, and generating various types of content. It offers tools for essay generation, text rewriting, paragraph creation, summarization, and grammar correction, making writing faster and smarter for students and professionals alike.
- AI Essay Writer
- Paraphrase Text
- Paragraph Generator
- Summarization Tool
- Grammar Correction
- AI Story Generator
Read full descriptionHide full description
Unlock Effortless Writing with ParaWriter – Your AI Essay Writer & Paraphrasing Companion ParaWriter is your ultimate writing assistant — built to simplify how you write, paraphrase, and create. Whether you're a student racing against a deadline, a professional crafting precise content, or a creative looking for inspiration, ParaWriter helps you write better, faster, and smarter. Key Features: -AI Essay Writer Generate full-length, well-structured essays instantly. From topic ideas to final drafts, let AI guide your writing with clarity and coherence. -Paraphrase Text with Ease Rewrite sentences and paragraphs in multiple tones and styles. Say goodbye to repetitive rewrites and hello to smarter paraphrasing. -Paragraph Generator Create meaningful, compelling paragraphs that effectively communicate your ideas. -Summarization Tool Condense lengthy content into digestible summaries with just one tap. -Grammar Correction Eliminate spelling and grammar errors to ensure your writing is polished and professional. -AI Story Generator Spark your creativity with AI-generated story ideas and narratives — perfect for writers and storytellers. Whether you're writing academic content, emails, stories, or social media posts, ParaWriter equips you with powerful AI tools tailored to your needs. Write less. Achieve more. Download ParaWriter today and let your words flow effortlessly. Unlock unlimited access to all advanced features by subscribing to a weekly or yearly plan within the app. Enjoy a free 3-day trial to explore everything ParaWriter Premium has to offer. After the trial ends, your subscription will automatically convert to a paid weekly plan. Payment will be charged to your iTunes Account upon confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, based on the selected plan. You can manage your subscription and turn off auto-renewal at any time in your Account Settings. Any unused portion of a free trial will be forfeited if you purchase a subscription before the trial ends. Privacy Policy: https://zipoapps.com/aiessaywriterios/privacy Terms of Use: https://zipoapps.com/aiessaywriterios/terms
Screenshots
Verdict
The clearest difference is price: AI Essay Writer at Free against Linear System Solver's $0.99. Linear System Solver's advantage is in-app purchases (none vs 12) and update cadence (every 3 days vs every 3 weeks). On ads, device support and iOS requirement 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
AI Essay Writer is free to download; Linear System Solver costs $0.99 up front. AI Essay Writer sells 12 in-app purchases, starting at $6.99 per 7 days. Linear System Solver asks for nothing beyond the download.
Linear System Solver ships an update every 3 days, AI Essay Writer every 3 weeks. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.
| Parameter | Linear System Solver | AI Essay Writer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.8 (752 ratings) — better |
| Positive reviews | — | 61.9% of reviews |
| Number of ratings | — | 752 — better |
| Update frequency | Every 3 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 130 MB |
| Age rating | 4+ | 4+ |
| Developer | Luigi Fonti | ZipoApps |
Bugs and requests
Linear System Solver
Not enough reviews yet to summarise bugs or requests.
AI Essay Writer
Reported bugs
3 issues- Doesn't work all the time even with subscription
- Error summarizing long texts
- Cuts off towards the end
Requested features
5 requests- Add gift to a friend feature
- More 3D design options
- Renew and update chatbots
- Desktop version that connects with phone
- Option to choose writing language beforehand
In-app purchases
Linear System Solver
No in-app purchases
AI Essay Writer
- Weekly Pro$6.997 Days
- Weekly Pro3 Days trial$6.997 Days
- Unlimited Access3 Days trial$7.997 Days
Show 9 moreShow fewer
- Weekly Premium3 Days trial$7.997 Days
- Unlimited Access3 Days trial$8.997 Days
- Monthly Pro$9.991 Month
- Monthly Pro3 Days trial$9.991 Month
- Yearly Pro Discounted$29.991 Year
- Yearly Pro3 Days trial$39.991 Year
- Yearly Pro$39.991 Year
- Unlimited Access3 Days trial$49.991 Year
- Yearly Premium$49.991 Year
Questions
Is Linear System Solver free?
Is AI Essay Writer free?
Do Linear System Solver or AI Essay Writer have ads?
Which is updated more often, Linear System Solver or AI Essay Writer?
Other comparisons















