MathFun vs PubMinder
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
MathFun
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A little practice, again and again, helps times tables become familiar. MathFun turns multiplication from 1Γ1 to 9Γ9 into target practice and friendly tank battles, giving children a reason to try one more question. Practise without rushing There is no answer time limit in practice mode. Think, choose an answer and watch your tank fire. Need a reminder? Open the full multiplication chart, then return to practice. Make it a shared activity Play against the computer, starting with a beginner level. Play face to face with family on opposite ends of one iPhone or iPad. On separate devices, invite a friend with a code or find an opponent through quick match. Find a favourite way to play Round Battle has both players racing to answer the same question. Quick Battle lets each player keep answering their own questions. A change of pace adds variety to repeated practice. See progress over time Create separate family profiles and view answer results, correct-answer streaks and practice counts. Pick a favourite vehicle and keep profiles with file exports or iCloud backups. MathFun is free to download and play, with 18 interface languages. Online play requires an internet connection and a Game Center account. Try a short session as part of your childβs everyday routine, and keep practising together.
PubMinder
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PubMinder is an AI-powered research feed for scientists, students, and curious minds. It aggregates the latest preprints and journal articles from bioRxiv, medRxiv, arXiv, and PubMed β then summarizes each one in 2β3 plain-English sentences using Apple Intelligence (on-device) or Groq's free AI. WHAT IT DOES Fetches the newest papers from the subjects you care about Summarizes every abstract automatically β no reading walls of text Opens papers in a built-in reader, so you never lose your place Lets you save and share papers with one tap Search your saved papers and sort by date, title, or source Supports keyword filtering so only relevant papers reach your feed ORGANIZE YOUR LIBRARY (PRO) Add tags and notes to any saved paper Group papers into collections and browse by project Export your library to BibTeX, RIS, or CSV β import straight into Zotero, EndNote, or Mendeley, with authors, year, and journal included SOURCES INCLUDED bioRxiv β biology and life sciences preprints medRxiv β medical and clinical preprints arXiv β physics, mathematics, and computer science preprints PubMed β peer-reviewed journal articles via NCBI E-utilities AI SUMMARIZATION On Apple Intelligence-capable devices (A17 Pro, A18, or M-series chips, iOS 26+), summaries run entirely on-device β no internet, no API key needed. On other devices, PubMinder uses Groq's free cloud AI. A free Groq API key takes about 2 minutes to set up at console.groq.com. PRO AI summaries and your saved library are free. A single one-time purchase (no subscription) unlocks tags, notes, collections, unlimited subjects, and library export. PRIVACY PubMinder does not collect personal data, require an account, or track you. API keys are stored in the iOS Keychain, not in plain text.
Screenshots
Verdict
The clearest difference is in-app purchases: MathFun at none against PubMinder's 1. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. PubMinder sells 1 one-off in-app purchase. MathFun asks for nothing beyond the download.
| Parameter | MathFun | PubMinder |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 β better | 18.0 |
| Further details β not scored | ||
| Size | 10 MB | 8 MB |
| Age rating | 12+ | 12+ |
| Developer | Nihon Kanun K.K. | BRANDI LYNN CANTAREL |
In-app purchases
MathFun
No in-app purchases
PubMinder
- Preprint Sources Unlock$4.99
Questions
Is MathFun free?
Is PubMinder free?
Do MathFun or PubMinder have ads?
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