# Motion Alarm Clock vs Fast Write down

The clearest difference is in-app purchases: Fast Write down at none against Motion Alarm Clock's 1. Fast Write down also leads on update cadence (every 3 weeks vs every 6 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Motion Alarm Clock sells 1 one-off in-app purchase. Fast Write down asks for nothing beyond the download.

Motion Alarm Clock ships an update every 6 months, Fast Write down every 3 weeks. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Motion Alarm Clock | Fast Write down |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.3K ratings)](https://appshunter.io/ios/app/motion-alarm-clock/id918121337/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 50.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 75 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jarig Duval](https://appshunter.io/developer/539738096) | [玉波 刘](https://appshunter.io/developer/1699269120) |

## What reviewers say

### Motion Alarm Clock

[App page](https://appshunter.io/ios/app/motion-alarm-clock/id918121337)

This app ensures you wake up on time with a unique shake-to-stop alarm. It offers customizable alarms, a bedside clock, and features to help establish healthy morning routines and prevent oversleeping.

**Highlights:** Shake to stop alarm, Multiple and repeating alarms, Lockable alarm (cannot be canceled), Customizable bedside clock, Bedtime reminder and enforcer, Wake up to music or talking alarm, Dark mode and color themes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free | $14.99 | one-time |

**What reviewers like**

- 🚀 Wakes me up effectively
- 👍 Requires physical movement to stop alarm
- 🚀 Helps me get out of bed

**What reviewers complain about**

- 🐛 Crashes frequently
- 🔋 Drains battery
- 🔇 Loud ads after alarm
- 🔇 Alarm sound can't be adjusted
- 🔇 Alarm doesn't stop when phone is on silent

**Reported bugs**

- Alarm doesn't always go off
- Alarm keeps ringing long after scheduled time
- Constant crash notifications

**Requested features**

- Option to permanently silence alarm after initial motion
- More alarm sound options
- Improved reliability and stability


### Fast Write down

[App page](https://appshunter.io/ios/app/fast-write-down/id6453753231)

**In-app purchases:** none


## Frequently asked questions

### Is Motion Alarm Clock free?

Motion Alarm Clock is free to download, with in-app purchases available.

### Is Fast Write down free?

Fast Write down is free to download, with no in-app purchases.

### Do Motion Alarm Clock or Fast Write down have ads?

Both Motion Alarm Clock and Fast Write down show ads.

### Which is updated more often, Motion Alarm Clock or Fast Write down?

Motion Alarm Clock ships an update every 6 months, and Fast Write down every 3 weeks. Most recently, Motion Alarm Clock was updated on October 14, 2026 and Fast Write down on October 6, 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.*