Edustream Library vs Subtraction for Kids
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Edustream Library
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Библиотека Edustream — удобное приложение для изучения английского, немецкого, французского языков и музыки. Вас ждёт коллекция современных электронных учебников от ведущих издательств: Express Publishing и Сапалы Бiлiм Баспасы. Материалы адаптированы для самостоятельных занятий, работы в классе и дистанционного обучения. Приложение поддерживает интерактивные задания, поиск, закладки, работу онлайн и офлайн. Edustream — для школьников, педагогов и всех, кто ценит качественное образование и современные технологии.
Subtraction for Kids
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Free to try. One-time unlock — no subscriptions, no ads. Works offline. No data collected. Subtraction for Kids: Math helps children ages 6–8 learn to take away within 20 in a calm, playful way. Your child counts friendly objects, hops along a number line, solves number sentences and story problems, and traces the numbers 0–9 with the correct stroke order — all at their own pace, with gentle, encouraging feedback and never a timer or a score. What's inside: • Take Away — see subtraction come to life with objects you can tap • Count What's Left — pick-the-answer practice within 20 • Number Line Jumps — a clear, visual way to subtract • Number Sentences — build real math confidence • Missing Number — playful problem solving • Trace the Numbers — write 0–9 the right way • Story Problems — everyday subtraction to 20 Why parents love it: • No ads, no third-party tracking, no data collected — ever • Works completely offline • A parental gate protects every purchase and link • Kind by design: no timers, no scores, no pressure Free to download and try. A single one-time purchase — “Unlock Everything,” a lifetime unlock ($4.99) — opens all lessons and activities. This is a one-time purchase, not a subscription, and full access requires this in-app purchase. Privacy Policy: https://joykhansayan1.github.io/subtraction-for-kids-math/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://joykhansayan1.github.io/subtraction-for-kids-math/support.html Great for kindergarten and first grade math, homeschool, and Montessori-style practice.
Screenshots
Verdict
The clearest difference is in-app purchases: Edustream Library at none against Subtraction for Kids's 1. Edustream Library also leads on iOS requirement (13.0 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
Both are free to download. Subtraction for Kids sells 1 one-off in-app purchase. Edustream Library asks for nothing beyond the download.
| Parameter | Edustream Library | Subtraction for Kids |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 35 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Natalya Mukhamedjanova | MD Shahariar Nazim Joy |
In-app purchases
Edustream Library
No in-app purchases
Subtraction for Kids
- Unlock Everything$4.99
Questions
Is Edustream Library free?
Is Subtraction for Kids free?
Do Edustream Library or Subtraction for Kids have ads?
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