# Alarm Clock HD vs DittoZap

The clearest difference is ads: DittoZap at none against Alarm Clock HD's shown. DittoZap also leads on update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Alarm Clock HD sells 10 in-app purchases, starting at $1.49 per month and DittoZap sells 6 in-app purchases, starting at $14.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Alarm Clock HD ships an update fortnightly, DittoZap weekly. The most recent releases landed on November 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Alarm Clock HD | DittoZap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (104K ratings)](https://appshunter.io/ios/app/alarm-clock-hd/id476555713/reviews)** | — |
| Number of ratings | **104K** | — |
| Positive reviews | 31.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 234 MB | 15 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [坤 左](https://appshunter.io/developer/1512899326) |

## What reviewers say

### Alarm Clock HD

[App page](https://appshunter.io/ios/app/alarm-clock-hd/id476555713)

Wake up refreshed with customizable alarms and sleep tracking. Enjoy your favorite music as an alarm, track your sleep patterns, and utilize features like a built-in flashlight and local weather updates. Offers a premium subscription for an ad-free experience and enhanced support.

**Highlights:** Unlimited alarms with music or custom sounds, Sleep tracking and analysis, Customizable nightstand display, Integrated flashlight, Local weather information, Sleep timer

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium member - 1 month | $1.49 | per month |
| Premium Features - Weekly | $1.99 | per 7 days |
| Premium Features - Monthly | $2.59 | per month |
| Upgrade to Premium Features | $5.49 | per 6 months |
| Premium Yearly | $9.99 | per year |
| Premium Yearly | $11.99 | per year |
| Upgrade Your Alarm Clock | $14.99 | per year |
| Premium yearly | $19.99 | per year |
| Premium yearly | $19.99 | per year |
| Premium yearly | $29.99 | per year |

**What reviewers like**

- 🚀 Reliable alarm clock
- 🎨 Customizable colors
- 🔊 Ability to use music as alarm
- 💤 Gradual volume increase

**What reviewers complain about**

- 🐛 Alarm not going off
- 🔍 Difficulty seeing small buttons/text
- 💸 Subscription model for ad-free version
- 🔋 High battery consumption
- 🔇 Alarm muting phone volume

**Reported bugs**

- Alarm randomly snoozing itself
- Alarm not working when phone is muted
- Alarm sound not playing
- Alarm screen freezing/crashing

**Requested features**

- 24-hour clock option
- More alarm sounds/tones
- Ability to use own music files
- Do not disturb mode


### DittoZap

[App page](https://appshunter.io/ios/app/dittozap/id6754529618)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $14.99 | per 7 days |
| Monthly Membership | $29.99 | per month |
| Annual Membership | $159.99 | per year |
| 10-Use Pack | $1.99 | one-time |
| 30-Use Pack | $3.99 | one-time |
| 100-Use Pack | $12.99 | one-time |


## Frequently asked questions

### Is Alarm Clock HD free?

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

### Is DittoZap free?

DittoZap is free to download, with in-app purchases available.

### Do Alarm Clock HD or DittoZap have ads?

Alarm Clock HD shows ads; DittoZap does not.

### Which is updated more often, Alarm Clock HD or DittoZap?

Alarm Clock HD ships an update fortnightly, and DittoZap weekly. Most recently, Alarm Clock HD was updated on November 8, 2026 and DittoZap on October 25, 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.*