E vs Nenne
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
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E-Roommate, the billing can be for the entire dormitory's electricity consumption or only for air conditioning usage. After installing the dormitory user app and completing the dormitory room or equipment pairing, users can check the electricity consumption status of the dormitory or air conditioning through the app. It can be paired with an automatic top-up machine to support automatic top-up function.
Nenne
This utility app provides a nap timer and alarm system that plays exclusively through earphones, ensuring no sound leaks to disturb others. It offers customizable alarm settings, gradual volume increases, and home screen widgets for convenient time management.
- Earphone-only alarms
- Nap timer (10s-180m)
- Wake-up alarms
- Gradually louder alarms
- Home screen widgets
- Customizable alarm sounds
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Ever skipped setting an alarm because you didn't want to wake the person next to you? Nenne is a nap timer that plays alarms only through your earphones. Nothing leaks from the speaker, so you can nap freely in the library, on the subway, or at your desk. Features • Alarms that play only through earphones, wired or Bluetooth • Unplug your earphones to pause the alarm, plug them back in to resume • Nap timer from 10 seconds to 180 minutes, set to the second • Wake-up alarms at set times and days (3 free) • Earphone or speaker mode and sound for each alarm • Alarms that grow gradually louder, with optional vibration • Alarm sounds by theme, with previews • Favorites tab for the naps you use most • Home Screen widgets showing nap time left and your next alarm • Dark mode and multiple languages Nenne+ Everything you need for your alarms stays free. With Nenne+ you get: • All 45 alarm sounds without watching ads • Up to 10 wake-up alarms, with volume per alarm • Your own sounds (mp3, wav, m4a) as alarms • Snooze (5, 10, 15 minutes) • 3 nap favorites Terms of Use: https://nenneapp.com/terms Privacy Policy: https://nenneapp.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: E at none against Nenne's 3. E also leads on ads (none vs shown). Nenne's advantage is update cadence (every 8 days vs every 6 weeks). On price, 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. Nenne sells 3 in-app purchases, starting at $2.99 per month. E asks for nothing beyond the download.
E ships an update every 6 weeks, Nenne every 8 days. The most recent releases landed on October 29, 2026 and November 5, 2026 respectively.
| Parameter | E | Nenne |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 90.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15 | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | 台科電科技股份有限公司 | JAEMIN LEE |
In-app purchases
E
No in-app purchases
Nenne
- Nenne+ Monthly$2.991 Month
- Nenne+ Yearly7 Days trial$14.991 Year
- Nenne+ Lifetime$44.99









