Comparison

SVA vs Maths Retriever

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

Head to head
About

SVA

This app empowers students to identify and organize local community projects, fostering leadership and teamwork. It extends a spirit of volunteerism to primary school classrooms nationwide, encouraging young people to become lifelong volunteers.

Highlights
  • Organize local community projects
  • Engage students in volunteerism
  • Nationwide school program
  • Develop leadership skills
  • Teach cooperation
  • Report on project achievements
Features
Read full description

Student Volunteer Army was formed as a charitable trust which has been continually led by a student executive and guided by a board of trustees. Each year students organise over 50 local projects that engage 3000 students at the University of Canterbury. In 2017 following a request by Primary Schools, SVA launched a nationwide ‘SVA Schools’ programme to extend the SVA spirit to primary school classrooms. In classes, each year 32,000 students identify a local project, build a team, develop a plan, operate their project, and report on what they have achieved. The programme teaches cooperation and leadership skills to young kiwis to become lifelong volunteers!

About

Maths Retriever

This app provides automated grading for handwritten IB Math work, offering detailed feedback and explanations. It generates practice questions, hints, and worked solutions tailored to specific IB Math courses and levels. Users can track progress, identify weak areas, and receive predicted grades.

Highlights
  • Handwritten work grading
  • Line-by-line IB examiner style marking
  • Original exam-style questions
  • Topic-based practice
  • Hints and worked solutions
  • Progress tracking and predicted grades
  • Timed mock papers
Features
Read full description

Maths Retriever marks your handwritten working the way an IB examiner does, line by line. Write on the page with Apple Pencil, or photograph your working on paper with iPhone. Tap Check. Every line gets a tick or a cross, its mark code (M1, A1, R1) and a short note. Where you lost a mark, you see the correct step. ALL FOUR IB MATHS COURSES AA SL, AA HL, AI SL, AI HL. Pick yours once and everything follows: questions, calculator rules, grade boundaries. WHAT YOU GET - Original exam-style questions at three levels: Foundation, Standard and Exam-style. - Practise by topic, or one random question when you've got ten minutes. - Hints that get more specific each time. - Worked solutions in IB mark-scheme style. Tap Why? on any step. - A marking summary with every mark you earned and every mark you lost. - Timed mock papers, marked the same way. - A diagnostic test with a grade out of 7 and a topic breakdown. - A daily plan that goes after your weak sub-topics. - Review that brings questions back just before you'd forget them. - A predicted grade that weighs harder questions more and updates as you practise. - A mistake log that files each lost mark by what went wrong. FREE AND PRO Free: one question per sub-topic at every level, 5 marked checks, 10 hints and 5 full worked solutions a day, Review, and your predicted grade. Pro: every question in the bank and more added for you, unlimited marking, hints and full solutions, mock papers, the diagnostic, the daily plan, per-topic grades, My progress, My papers and the full mistake log. Try Pro free for 7 days. PRIVATE No account, no sign-up. Your work stays on your device unless you ask for marking or help. Made for iPad and Apple Pencil. Works on iPhone too. Maths Retriever is an independent study tool and is not affiliated with, endorsed by, or connected to the International Baccalaureate Organization. "IB" is used only to describe the curriculum the app supports. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SVA3 screens
Maths Retriever4 screens

Verdict

The call

The clearest difference is review sentiment: Maths Retriever at 100% against SVA's 0%. Maths Retriever also leads on update cadence (every 5 days vs every 5 weeks). SVA's advantage is in-app purchases (none vs 2) and iOS requirement (14.4 vs 17.0). On price, ads 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

Both are free to download. Maths Retriever sells 2 in-app purchases, starting at $12.99 per month. SVA asks for nothing beyond the download.

UpkeepUpdate frequency

SVA ships an update every 5 weeks, Maths Retriever every 5 days. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
SVA versus Maths Retriever: the parameters behind the verdict, then further details
ParameterSVAMaths Retriever
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 5 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.4 — better17.0
Further details — not scored
Size43 MB75 MB
Age rating4+4+
DeveloperStudent Volunteer Army FoundationHongzhi Wu

Customer experience

SVA

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Maths Retriever

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SVA

No in-app purchases

2 purchases

Maths Retriever

Subscriptions2
  • Pro monthly$12.991 Month
  • Diploma yearly$99.991 Year

Questions

Is SVA free?
SVA is free to download, with no in-app purchases.
Is Maths Retriever free?
Maths Retriever is free to download, with in-app purchases available.
Do SVA or Maths Retriever have ads?
Neither SVA nor Maths Retriever shows ads.
Which is updated more often, SVA or Maths Retriever?
SVA ships an update every 5 weeks, and Maths Retriever every 5 days. Most recently, SVA was updated on October 11, 2026 and Maths Retriever on October 17, 2026.

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