# Nuj Alarm Clock vs Scientific Timer

The clearest difference is ads: Nuj Alarm Clock at none against Scientific Timer's shown. Nuj Alarm Clock also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Nuj Alarm Clock | Scientific Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (72 ratings)](https://appshunter.io/ios/app/nuj-alarm-clock/id1557053396/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 93.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 56 MB | 16 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Snowble Inc.](https://appshunter.io/developer/1489073554) | [Stephane Boutet](https://appshunter.io/developer/1794014850) |

## What reviewers say

### Nuj Alarm Clock

[App page](https://appshunter.io/ios/app/nuj-alarm-clock/id1557053396)

This alarm clock uses financial penalties to motivate users to get out of bed. Set an alarm, a challenge to prove you're up, and a penalty. If you fail to complete the challenge, you'll be charged. It also features cheat detection to prevent users from turning off their phones.

**Highlights:** Money-based motivation, Set alarm and get up times, Customizable challenges (e.g., barcode scanning), Financial penalties, Cloud-based cheat detection, Donations to charity for missed alarms

**In-app purchases:** none

**What reviewers like**

- 💪 Impossible to cheat or bypass the alarm system
- 💰 Financial penalty is highly motivating
- 🎯 Effectively breaks snooze addiction
- 🔒 Cloud-based system prevents workarounds
- ⏰ Locks alarm one hour before to prevent tampering

**What reviewers complain about**

- 💳 $5/month subscription required for full functionality
- 💸 Subscription cost not clearly disclosed upfront
- 😤 Strict penalty policy with limited refund flexibility
- ⚙️ Setup requires additional shortcut configuration
- 🚫 Limited charity options available

**Reported bugs**

- Scanner fails to open despite app being active
- App freezes during barcode scanning process
- Alarm setup is confusing and unintuitive
- Shortcut configuration issues on some devices
- Deactivation process problematic when deleting app

**Requested features**

- Puzzle or math problems to ensure mental alertness
- More charity options for penalty donations
- Yearly subscription discount pricing
- Additional physical activity verification methods
- Customizable alarm sounds beyond shortcuts


### Scientific Timer

[App page](https://appshunter.io/ios/app/scientific-timer/id6741395405)

**In-app purchases:** none


## Frequently asked questions

### Is Nuj Alarm Clock free?

Nuj Alarm Clock is free to download, with no in-app purchases.

### Is Scientific Timer free?

Scientific Timer is free to download, with no in-app purchases.

### Do Nuj Alarm Clock or Scientific Timer have ads?

Scientific Timer shows ads; Nuj Alarm Clock does not.

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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.*