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 app provides a discreet alarm that plays only through your earphones, allowing you to nap without disturbing others. It pauses when earphones are removed and resumes when reconnected, with options for wired and Bluetooth devices. You can also switch to speaker mode if needed.
- Plays alarm exclusively through earphones
- Pauses alarm when earphones are removed
- Resumes alarm when earphones are reconnected
- Supports wired and Bluetooth earphones
- Switchable between earphone and speaker modes
- Precise timing to the second
- Prevents screen from turning off
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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 ads: E at none against Nenne's shown. Nenne's advantage is update cadence (every 9 days vs every 6 weeks). 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.
E ships an update every 6 weeks, Nenne every 9 days. The most recent releases landed on October 13, 2026 and October 12, 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 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15 | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 94 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
No in-app purchases
