# Light Alarm vs OJ MicroLine® OWD5

The clearest difference is review sentiment: Light Alarm at 58% against OJ MicroLine® OWD5's 10%. Light Alarm also leads on rating (4.1 vs 2.0) and ratings volume (69 vs 5). OJ MicroLine® OWD5's advantage is price (Free vs $6.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

OJ MicroLine® OWD5 is free to download; Light Alarm costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Light Alarm holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: Light Alarm has 69 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 58% of Light Alarm's written reviews are positive against 10% of OJ MicroLine® OWD5's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Light Alarm | OJ MicroLine® OWD5 |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.1 (69 ratings)](https://appshunter.io/ios/app/light-alarm/id346542660/reviews)** | [2.0 (5 ratings)](https://appshunter.io/ios/app/oj-microline-owd5/id1326069503/reviews) |
| Number of ratings | **69** | 5 |
| Positive reviews | **58.2% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 17 MB | 43 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seligman Ventures Global Limited](https://appshunter.io/developer/1347937745) | [OJ ELECTRONICS AS](https://appshunter.io/developer/1326069502) |

## What reviewers say

### Light Alarm

[App page](https://appshunter.io/ios/app/light-alarm/id346542660)

Wake up gently and refreshed with a gradually brightening light and customizable nature sounds. This app offers a user-friendly interface with adjustable alarm buildup times, vibration, and snooze options. Personalize your clock display and save money compared to physical sunrise alarm clocks.

**Highlights:** Gradually brightening light, Customizable nature sound alarms, Adjustable buildup times, Snooze function, Personalizable clock display, Screen dimmer for night use, Flashlight feature

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌅 Gentle gradual light wake-up experience
- 🐦 Natural and authentic bird sounds
- 😴 Reduces adrenaline-based jarring alarms
- 💰 Affordable compared to physical light alarms
- 🎵 Multiple nature sound options available

**What reviewers complain about**

- 🔋 Significant battery drain overnight
- 💡 Display too bright at night for sleeping
- 🔒 App must stay open/unlocked for alarm to work
- 🐛 Requires manual reset each night
- ⚠️ Light not bright enough for some users

**Reported bugs**

- App crashes on iOS 8 and later versions
- Alarm fails to trigger or goes off at wrong time
- Light alarm doesn't work when phone is face-down
- Modal rating dialog blocks snooze functionality
- Brightness resets to 50% when exiting settings

**Requested features**

- Dark mode or black background for night display
- Ability to turn off night-time display completely
- Recurring alarm scheduling (daily, weekdays, weekends)
- Larger snooze button to prevent accidental dismissal
- Option to disable sound alarm entirely


### OJ MicroLine® OWD5

[App page](https://appshunter.io/ios/app/oj-microline-owd5/id1326069503)

Remotely control your home heating system from any location. View and adjust temperatures, manage your heating schedule, set vacation mode, and monitor energy consumption. Save on heating bills while ensuring a comfortable home environment.

**Highlights:** Remote temperature control, View and set heating schedules, Vacation mode scheduling, Energy consumption monitoring, Control multiple thermostats, Access multiple locations

**In-app purchases:** none


## Frequently asked questions

### Is Light Alarm free?

Light Alarm costs $6.99, with no in-app purchases.

### Is OJ MicroLine® OWD5 free?

OJ MicroLine® OWD5 is free to download, with no in-app purchases.

### Which has better reviews, Light Alarm or OJ MicroLine® OWD5?

Light Alarm is rated higher. Light Alarm averages 4.1 out of 5 from 69 ratings, while OJ MicroLine® OWD5 averages 2.0 from 5 ratings.

### Do Light Alarm or OJ MicroLine® OWD5 have ads?

Neither Light Alarm nor OJ MicroLine® OWD5 shows ads.

### Which is updated more often, Light Alarm or OJ MicroLine® OWD5?

Light Alarm ships an update every 2 months, and OJ MicroLine® OWD5 every 2 months. Most recently, Light Alarm was updated on November 1, 2026 and OJ MicroLine® OWD5 on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*