# Alarm Clock vs Authenticator

The clearest difference is monetization model: Authenticator at free with in-app purchases against Alarm Clock's subscription. Authenticator also leads on rating (4.5 vs 4.2) and iOS requirement (14.0 vs 16.0). Alarm Clock's advantage is ads (none vs shown) and update cadence (every 2 days vs weekly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Alarm Clock sells 7 in-app purchases, starting at $4.99 per month and Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Alarm Clock has 147 ratings behind it against 25, so its average is the more settled of the two.

Alarm Clock ships an update every 2 days, Authenticator weekly. The most recent releases landed on September 22, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Alarm Clock | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (147 ratings)](https://appshunter.io/ios/app/alarm-clock-wake-up/id6748822315/reviews) | **[4.5 (25 ratings)](https://appshunter.io/ios/app/authenticator-secure-2fa-auth/id6749149708/reviews)** |
| Number of ratings | **147** | 25 |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 81 MB | 73 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alina Mahas](https://appshunter.io/developer/1827467178) | [Timon Scherzinger](https://appshunter.io/developer/1895022963) |

## What reviewers say

### Alarm Clock

[App page](https://appshunter.io/ios/app/alarm-clock-wake-up/id6748822315)

This app helps you stay on schedule with customizable alarms and reminders. Set multiple alarms with unique sounds, recurring or one-time alerts, and adjustable snooze options. Its simple interface ensures you can manage your day efficiently and wake up on time.

**Highlights:** Multiple alarms with customizable tones, Recurring or one-time alerts, Adjustable snooze duration, Simple, user-friendly interface, Timed alerts for tasks

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarm Premium | $4.99 | per month |
| Alarm Premium | $7.99 | per month |
| Alarm Premium | $9.99 | per year |
| Alarm Premium | $14.99 | per year |
| Alarm Premium | $19.99 | per year |
| Alarm Premium | $19.99 | per year |
| Alarm Premium | $29.99 | per year |

**What reviewers like**

- 👍 Customizable alarm sounds

**What reviewers complain about**

- 🔒 Requires subscription to access full features
- 🐛 Alarms don't reliably go off
- 🐛 Alarm mission doesn't appear
- 🐛 Alarms don't play with headphones
- 🐛 Face ID issues in the dark

**Reported bugs**

- Alarms not functioning as expected
- Subscription issues

**Requested features**

- Option to delete alarms
- Ability to test app without paying


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-secure-2fa-auth/id6749149708)

Securely manage your two-factor authentication tokens and passwords in one place. This app offers offline code generation and a private in-app browser. Free users can manage existing codes and passwords, while premium subscribers gain unlimited creation and secure browsing.

**Highlights:** Organize 2FA tokens and passwords, Offline code generation, Built-in secure browser, Manage existing codes and passwords (free), Unlimited code/password creation (premium), Face ID access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $17.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Alarm Clock free?

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

### Is Authenticator free?

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

### Which has better reviews, Alarm Clock or Authenticator?

Authenticator is rated higher. Alarm Clock averages 4.2 out of 5 from 147 ratings, while Authenticator averages 4.5 from 25 ratings.

### Do Alarm Clock or Authenticator have ads?

Authenticator shows ads; Alarm Clock does not.

### Which is updated more often, Alarm Clock or Authenticator?

Alarm Clock ships an update every 2 days, and Authenticator weekly. Most recently, Alarm Clock was updated on September 22, 2026 and Authenticator on September 5, 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.*