Comparison

Addition Math Trainer vs Found

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

Head to head
About

Addition Math Trainer

Features
Read full description

Discover a new way to master addition with our dynamic math trainer that turns learning into an exciting adventure. Enjoy fun, adaptive mini-games and intuitive handwriting input that make each practice session engaging and perfectly tailored to your skill level. Boost your abilities by practicing the following math skills: You can practice the following math skills: Add a number to a multiple of ten Add doubles Add three numbers up to 10 each Relate addition and subtraction Add a two-digit and a one-digit number Add two multiples of ten Add multiples of 10 or 100 Add two two-digit numbers Addition up to 100 Add two numbers up to three digits Add three numbers up to two digits each Add three numbers up to three digits each Add two numbers with four digits Complete the addition sentence up to three digits Balance addition equations up to two digits Balance addition equations up to three digits

About

Found

Features
Read full description

Found is an archival research and discovery tool for exploring millions of public-domain films, photographs, audio recordings, books, and historical documents from the Internet Archive and Wikimedia Commons. Browse, read, watch, and listen โ€” completely free. Found surfaces the license and attribution for every item, so you always know exactly how a piece of media can be used. DISCOVER THE ARCHIVE Explore one of the largest collections of human culture ever assembled. Search by year, media type, creator, subject, and license type. Found's on-device recommendation engine learns your interests privately โ€” no accounts, no tracking, no data leaves your device. ORGANIZE YOUR RESEARCH Save items to personal collections. Follow archive creators and channels. Build a research library around any topic โ€” history, film, music, literature, science, or culture. KNOW YOUR RIGHTS Every item in Found displays its source, license type, and rights information. Found Pro users get a one-tap attribution generator that produces properly formatted credit text for any item โ€” ready to copy into a paper, article, video description, or creative project. FOUND PRO โ€” THE SERIOUS ARCHIVE TOOLKIT Found Pro is for researchers, educators, journalists, designers, and creators who work with archival media regularly. Pro includes: โ€” Unlimited saved items and collections โ€” Offline research library (cache selected items for reading and viewing without internet) โ€” Advanced license filters: search specifically for CC0, Public Domain, CC-BY, and commercial-friendly works โ€” Attribution generator with copy-ready credit text โ€” Citation export: MLA, APA, Chicago, BibTeX, and Markdown โ€” PDF reader with bookmarks, highlights, and notes โ€” Collection export: Markdown, CSV, and PDF reading list โ€” Creator tools: source overlays, caption text, thumbnail export, and vertical crop for Reels, TikTok, and Shorts โ€” Bulk metadata export FEATURING: โ€” Millions of public-domain and Creative Commons items โ€” Internet Archive and Wikimedia Commons integrated โ€” License and rights display on every item โ€” On-device ML recommendations โ€” 100% private โ€” No accounts. No tracking. No ads. โ€” Dark and Light mode Found does not host any media files. All content is accessed directly from its original source. Found helps you find, understand, credit, and organize archival media responsibly. Privacy Policy: https://foundarchive.netlify.app/privacy.html Copyright & DMCA: https://foundarchive.netlify.app/dmca.html Support: https://foundarchive.netlify.app/faq.html

Screenshots

Addition Math Trainer4 screens
Found4 screens

Verdict

The call

The clearest difference is price: Found at Free against Addition Math Trainer's $2.99. Found also leads on update cadence (every 3 weeks vs every 35 months). Addition Math Trainer's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Found is free to download; Addition Math Trainer costs $2.99 up front. Found sells 3 in-app purchases, starting at $4.99 per month. Addition Math Trainer asks for nothing beyond the download.

UpkeepUpdate frequency

Addition Math Trainer ships an update every 35 months, Found every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard3 real differences ยท 3 level
Addition Math Trainer versus Found: the parameters behind the verdict, then further details
ParameterAddition Math TrainerFound
Price$2.99Free โ€” better
Update frequencyEvery 35 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better13.0
Further details โ€” not scored
Size19 MB77 MB
Age rating4+12+
DeveloperSergey MaluginJeffrey Asante

In-app purchases

None

Addition Math Trainer

No in-app purchases

3 purchases

Found

Subscriptions2
  • Found Pro Monthly$4.991 Month
  • Found Pro Yearly$39.991 Year
One-time1
  • Found Pro Lifetime$129.99

Questions

Is Addition Math Trainer free?
Addition Math Trainer costs $2.99, with no in-app purchases.
Is Found free?
Found is free to download, with in-app purchases available.
Do Addition Math Trainer or Found have ads?
Neither Addition Math Trainer nor Found shows ads.
Which is updated more often, Addition Math Trainer or Found?
Addition Math Trainer ships an update every 35 months, and Found every 3 weeks. Most recently, Addition Math Trainer was updated on October 8, 2026 and Found on October 1, 2026.

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