# Camera Timer HD for iPad vs Optimal Authenticator

The clearest difference is review sentiment: Camera Timer HD for iPad at 52% against Optimal Authenticator's 0%. Camera Timer HD for iPad also leads on iOS requirement (8.0 vs 15.0). Optimal Authenticator's advantage is rating (3.0 vs 1.0) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Optimal Authenticator holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews complicate that: 52% of Camera Timer HD for iPad's written reviews are positive against 0% of Optimal Authenticator's, so the app with the better star average is not the one people write more warmly about.

Camera Timer HD for iPad ships an update every 4 months, Optimal Authenticator every 3 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Camera Timer HD for iPad | Optimal Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/camera-timer-hd-for-ipad/id523151347/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/optimal-authenticator/id1217402923/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | **52.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 6 MB | 80 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [nakhon phagdeechat](https://appshunter.io/developer/386312256) | [Optimal IdM](https://appshunter.io/developer/1050742329) |

## What reviewers say

### Camera Timer HD for iPad

[App page](https://appshunter.io/ios/app/camera-timer-hd-for-ipad/id523151347)

Capture photos of yourself or groups with a customizable countdown timer. Choose between single or multi-shot modes, and enhance your experience with audio and speech alerts. Images are saved directly to your camera roll.

**Highlights:** Customizable countdown timer (1-60 seconds), Single and Multi-shot modes, Audio warning alerts, Speech countdown alerts, Speech alerts after shooting, Adjustable speech speed and languages

**Features:** macOS Compatibility

**In-app purchases:** none


### Optimal Authenticator

[App page](https://appshunter.io/ios/app/optimal-authenticator/id1217402923)

This app provides a secure way to verify your identity for accessing other applications. It uses two-factor authentication via push notifications or verification codes, and allows organizations to register trusted devices for sign-in requests.

**Highlights:** Two-factor authentication, Push notification verification, On-app verification codes, Trusted device registration, Secure identity verification

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

**In-app purchases:** none


## Frequently asked questions

### Is Camera Timer HD for iPad free?

Camera Timer HD for iPad is free to download, with no in-app purchases.

### Is Optimal Authenticator free?

Optimal Authenticator is free to download, with no in-app purchases.

### Which has better reviews, Camera Timer HD for iPad or Optimal Authenticator?

Optimal Authenticator is rated higher. Camera Timer HD for iPad averages 1.0 out of 5 from 2 ratings, while Optimal Authenticator averages 3.0 from 4 ratings.

### Do Camera Timer HD for iPad or Optimal Authenticator have ads?

Neither Camera Timer HD for iPad nor Optimal Authenticator shows ads.

### Which is updated more often, Camera Timer HD for iPad or Optimal Authenticator?

Camera Timer HD for iPad ships an update every 4 months, and Optimal Authenticator every 3 months. Most recently, Camera Timer HD for iPad was updated on October 7, 2026 and Optimal Authenticator 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.*