IPST Chemistry E vs Lightin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IPST Chemistry E
This electronic textbook explores the periodic table, comparing properties of metals, metalloids, and nonmetals. It details trends in metallic properties, applications of elements, and radioactive elements, including their benefits and drawbacks. The app also contrasts fission and fusion nuclear reactions and their uses.
- Periodic table properties comparison
- Metallic property trends analysis
- Element applications and uses
- Radioactive element properties
- Fission vs. fusion reactions
- Nuclear energy uses and impacts
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หนังสือเรียนอิเล็กทรอนิกส์ เรื่อง ตารางธาตุ (Periodic Table) เนื้อหาเกี่ยวกับการเปรียบเทียบสมบัติของธาตุโลหะ กึ่งโลหะ อโลหะ และวิเคราะห์แนวโน้มสมบัติความเป็นโลหะของธาตุตามตารางธาตุ ยกตัวอย่างการนำธาตุบางชนิดไปใช้ประโยชน์ได้อย่างเหมาะสมตามสมบัติของธาตุนั้น อธิบายสมบัติของธาตุกัมมันตรังสีและยกตัวอย่างประโยชน์และโทษของธาตุกัมมันตรังสีบางชนิด เปรียบเทียบปฏิกิริยานิวเคลียร์แบบฟิชชันกับฟิวชัน และยกตัวอย่างการใช้พลังงานนิวเคลียร์ในด้านต่างๆ รวมทั้งผลกระทบที่มีต่อสิ่งมีชีวิตและสิ่งแวดล้อม
Lightin
Access condensed audio versions of bestselling non-fiction books and podcasts. Develop your career with key insights on management and leadership in minutes. Enjoy professional narration and a wide range of categories.
- Audio versions of books and podcasts
- Professional narration
- Condensed non-fiction insights
- Management and leadership topics
- 3-day free trial
- Multiple categories
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Lightin transforms the key insights of bestselling nonfichtion books into well-crafted audio books & podcasts Looking forward to developing your career? In few minutes you can get all the big ideas from management, leadership books with Lightin listening and reading app. ===================== With the Lightin app you'll get: · A FREE 3-day trial with unlimited access · AUDIO versions of every book and podcast, narrated and produced by PROFESSIONALS · MORE CATEGORIES to explore, book reviews, audio books ===================== You may purchase an auto-renewing subscription through an In-App Purchase. • Premium Monthly • 1 month ($12.99) durations • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase • Privacy policy: https://www.lightin.app/privacy-policy.html • Terms of use: https://www.lightin.app/terms-of-service.html • Subscription Terms of Use: https://www.lightin.app/subscription-terms-of-service.html
Screenshots
Verdict
The clearest difference is rating: IPST Chemistry E at 5.0 against Lightin's 3.7. IPST Chemistry E also leads on in-app purchases (none vs 2) and iOS requirement (8.0 vs 15.0). Lightin's advantage is update cadence (every 8 days vs every 5 months) and ratings volume (3 vs 1). 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. Lightin sells 2 in-app purchases, starting at $0.99 per month. IPST Chemistry E asks for nothing beyond the download.
IPST Chemistry E holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
IPST Chemistry E ships an update every 5 months, Lightin every 8 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | IPST Chemistry E | Lightin |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 5 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 28 MB |
| Age rating | 4+ | 17+ |
| Developer | Kathi Studio Co.,Ltd. | RNOVEL PTE. LTD. |
Customer experience
IPST Chemistry E
Lightin
In-app purchases
IPST Chemistry E
No in-app purchases
Lightin
- Subscription Fee Monthly3 Days trial$0.991 Month
- Premium Monthly3 Days trial$12.991 Month
Questions
Is IPST Chemistry E free?
Is Lightin free?
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