Energy Efficiency Technologies vs Keefrash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Energy Efficiency Technologies
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Energy Efficiency Technologies is one app which published with smart air conditioner, it is compatible with smart wifi module and connected with open cloud service. 1. Simply Control Air conditioner: Comfort, Efficiency, and Safety. 2. New User Experience: Special functions and UI interactive design 3. Remote Control: Obtain and Modify Your Home Air Quality Anywhere 4. Sleep Curve: Customize Your Comfortable Sleep 5. Time Scheduling: Auto Switch by Appointment Time Please check the User Manual for detailed information.
Keefrash
Customize your phone case with dynamic ink screen displays. Upload your own images or share your creations with a community. Supports multiple languages for a global user experience.
- Customize phone case ink screen
- NFC image transfer
- DIY screen designs
- Publish creations to Plaza
- Multi-language support
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Keefrash is an application that can change the display content of the ink screen in the phone case.It transfers pictures through NFC transfer function. Users can DIY mobile phone case screens according to their own preferences. 1.Choose a picture to customize your phone case 2.Publish your works to Plaza 3.Supports multiple languages Privacy Policy: https://kf.summitmob.us/agreements/privacy.html User Agreement: https://kf.summitmob.us/agreements/agreements.html
Screenshots
Verdict
The clearest difference is ads: Energy Efficiency Technologies at none against Keefrash's shown. Energy Efficiency Technologies also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, 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.
Energy Efficiency Technologies ships an update every 9 days, Keefrash every 8 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.
| Parameter | Energy Efficiency Technologies | Keefrash |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (5 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 9 days | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 99 MB | 107 MB |
| Age rating | 17+ | 9+ |
| Developer | Guangdong Meizhi Compressor Co., Ltd. | SUMMITMOB, INC. |
In-app purchases
Energy Efficiency Technologies
No in-app purchases
Keefrash
No in-app purchases
Questions
Is Energy Efficiency Technologies free?
Is Keefrash free?
Do Energy Efficiency Technologies or Keefrash have ads?
Which is updated more often, Energy Efficiency Technologies or Keefrash?
Other comparisons
