Khmer Physic Formulas vs Writing Explanation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Khmer Physic Formulas
Access a comprehensive collection of physics formulas for various grade levels and specialized fields. This app offers a simple, fast, and smooth user interface for easy formula lookup.
- Physics formulas for grades 7-12
- Engineering physics formulas
- Basic physics formulas
- SI Units and constants
- Formula symbol reference
- Simple and fast UI
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The First Khmer Physic Formulas app on App Store. Khmer Physic Formulas is designed with simple UI, fast and smooth. Khmer Physic Formulas has collected all formulas such as: - Grade 7 - Grade 8 - Grade 9 - Grade 10 - Grade 11 - Grade 12 - Basics Physic Formulas - Physic for Engineering - SI Units - Constants value - Symbols Now you just use your fingertip to browse any formulas as you need.
Writing Explanation
This educational app provides a collection of essays designed to help students prepare for the Bac II Examination. Its user-friendly interface makes it easy to access and navigate study materials.
- Bac II Examination essay collection
- Friendly user interface
- Easy to use
- iOS compatible
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Writing Explanation is the best iOS app that is important for who prepares for Bac II Examination. It collects a lot of essays into the app that is friendly UI and easy to use.
Screenshots
Verdict
The clearest difference is ads: Writing Explanation at none against Khmer Physic Formulas's shown. Writing Explanation also leads on update cadence (every 2 weeks vs every 19 months) and monetization model (free vs ad-supported). Khmer Physic Formulas's advantage is rating (4.4 vs 4.0) and ratings volume (15 vs 3). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
Khmer Physic Formulas holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Khmer Physic Formulas has 15 ratings behind it against 3, so its average is the more settled of the two.
Khmer Physic Formulas ships an update every 19 months, Writing Explanation every 2 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | Khmer Physic Formulas | Writing Explanation |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (15 ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 15 — better | 3 |
| Update frequency | Every 19 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Cheab Kunthea | Phanna PANG |
Customer experience
Khmer Physic Formulas
Writing Explanation
In-app purchases
Khmer Physic Formulas
No in-app purchases
Writing Explanation
No in-app purchases
Questions
Is Khmer Physic Formulas free?
Is Writing Explanation free?
Which has better reviews, Khmer Physic Formulas or Writing Explanation?
Do Khmer Physic Formulas or Writing Explanation have ads?
Which is updated more often, Khmer Physic Formulas or Writing Explanation?
Other comparisons
