NagareVisualizer vs WordSphere
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NagareVisualizer
Explore the fascinating world of fluid dynamics with this iPad application. Visualize air and liquid movements that are often imperceptible in everyday life, offering an engaging way to understand complex flow patterns.
- Fluid simulation visualization
- Air and liquid movement
- Interactive flow patterns
- Educational tool for fluid dynamics
- iPad optimized
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NagareVisualizer for iPad is an introductory application for fluid simulation. You can enjoy fluid(air or liquid) movement in various ways, even though it is difficult to recognize in our daily life. The visualizer helps you to look into fascinating flow(nagare) world.
WordSphere
This free dictionary app helps users efficiently study English vocabulary. It is suitable for learners of all levels, offering a straightforward approach to mastering new words.
- Efficient vocabulary study
- Suitable for all learner levels
- Free dictionary access
- Focus on English mastery
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WordSphere is designed to give users a fast and efficient way to study English vocabulary. This free dictionary app is built for every level of the learner!
Screenshots
Verdict
The clearest difference is review sentiment: WordSphere at 50% against NagareVisualizer's 0%. WordSphere also leads on price (Free vs $0.99) and rating (4.2 vs 2.0). NagareVisualizer's advantage is ads (none vs shown) and update cadence (every 3 months vs every 7 months). On in-app purchases 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
WordSphere is free to download; NagareVisualizer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
WordSphere holds the better App Store score, 4.2 against 2.0. That said, the two scores are not equally well evidenced: WordSphere has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of NagareVisualizer's written reviews are positive against 50% of WordSphere's.
NagareVisualizer ships an update every 3 months, WordSphere every 7 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | NagareVisualizer | WordSphere |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.0 (1 ratings) | 4.2 (30 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 1 | 30 — better |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 213 MB | 22 MB |
| Age rating | 4+ | +4 |
| Developer | Institute of Computational Fluid Dynamics | APPS BAY LIMITED |
Customer experience
NagareVisualizer
WordSphere
In-app purchases
NagareVisualizer
No in-app purchases
WordSphere
No in-app purchases
