NPT Backyard vs E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NPT Backyard
Visualize your dream pool in your own backyard using augmented reality. This app offers stunning 4k graphics, advanced lighting, and realistic water simulations to help you design and preview your perfect pool.
- Augmented Reality pool visualization
- 4k graphics
- Realistic lighting effects
- Advanced water systems
- Design your dream pool
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This application will no longer be available. Existing users will be required to upgrade to the new version and when opened, Users will be directed to our Website.
E
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E-Potis is an APP for off-grid electricity share, work with a meter box provided by iPotisEdge. People can share their surplus photovoltaic power with their neighbors in off-grid ways. Electricity consumption and fee information is automatically recorded through the meter. Historical electricity usage information and bills can be viewed through the APP.
Screenshots
Verdict
The clearest difference is update cadence: E at fortnightly against NPT Backyard's every 2 months. E also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
NPT Backyard ships an update every 2 months, E fortnightly. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.
| Parameter | NPT Backyard | E |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (101 ratings) — better | — |
| Positive reviews | 42.5% of reviews | — |
| Number of ratings | 101 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 117 MB | 36 MB |
| Age rating | 4+ | 17+ |
| Developer | Pool Corporation | iPotisEdge Co., Ltd. |
Bugs and requests
NPT Backyard
Reported bugs
6 issues- AR doesn't work
- App crashes when viewing tiles
- App crashes frequently
- App is slow and hangs
- Water color doesn't change with plaster choices
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- Tutorial is useless
Requested features
6 requests- Option to design a remodel for existing pools
- Ability to change pool dimensions within the app
- More standard pool shapes available (e.g., round spa)
- Include all pool tiles from the catalog
- Ability to drag and position the pool design in the yard
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- More realistic water color rendering based on plaster choices
E
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NPT Backyard
No in-app purchases
E
No in-app purchases
