# Authenticator App ∞ vs Smart Day Calendar

The clearest difference is rating: Smart Day Calendar at 5.0 against Authenticator App ∞'s 3.9. Smart Day Calendar also leads on update cadence (every 9 days vs every 2 months). Authenticator App ∞'s advantage is ratings volume (357 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Authenticator App ∞ sells 6 in-app purchases, starting at $9.99 per 7 days and Smart Day Calendar sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Smart Day Calendar holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Authenticator App ∞ has 357 ratings behind it against 1, so its average is the more settled of the two.

Authenticator App ∞ ships an update every 2 months, Smart Day Calendar every 9 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Authenticator App ∞ | Smart Day Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (357 ratings)](https://appshunter.io/ios/app/authenticator-app/id6742086933/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-day-calendar/id6787170154/reviews)** |
| Number of ratings | **357** | 1 |
| Positive reviews | 22.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 18 MB | 9 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rushdata Limited](https://appshunter.io/developer/1861404410) | [RIVSA TECH GROUP LLC](https://appshunter.io/developer/6787170156) |

## What reviewers say

### Authenticator App ∞

[App page](https://appshunter.io/ios/app/authenticator-app/id6742086933)

This app provides robust security for your online accounts by generating secure two-factor authentication (2FA) codes. It also offers features like risky link detection, private file storage, and seamless device synchronization for comprehensive data protection.

**Highlights:** Secure 2FA code generation, Encrypted code storage, QR code scanning and generation, Risky link detection, Private file and notes storage, Seamless device synchronization, Offline 2FA code generation

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Weekly Plan | $9.99 | per 7 days |
| Authenticator Monthly Plan | $14.99 | per month |
| Authenticator Yearly Plan | $29.99 | per year |
| Authenticator Yearly PRO | $49.99 | per year |
| Authenticator Yearly Plan | $49.99 | per year |
| Authenticator Lifetime PRO | $49.99 | one-time |

**What reviewers complain about**

- 💸 Forcing to buy an app to authenticate an account
- 💸 Charged $49.99 for subscription
- 🚫 Scam app
- 🚫 Does not work as expected
- 🚫 Misleading app, not the Microsoft Authenticator

**Reported bugs**

- App does not work with work account
- Repeatedly charged for the app without delivering


### Smart Day Calendar

[App page](https://appshunter.io/ios/app/smart-day-calendar/id6787170154)

This app helps you plan your day by integrating calendar events with traffic and weather forecasts. It provides timely reminders, suggests outfits based on the forecast, and can even scan and import schedules.

**Highlights:** Natural language event input, Wake-up and leave-by time calculations, AI-powered outfit suggestions, Schedule scanning and import, Integrated weather forecasts, Shared calendars, Cross-device synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Day Pro Monthly | $9.99 | per month |
| Smart Day Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is Authenticator App ∞ free?

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

### Is Smart Day Calendar free?

Smart Day Calendar is free to download, with in-app purchases available.

### Which has better reviews, Authenticator App ∞ or Smart Day Calendar?

Smart Day Calendar is rated higher. Authenticator App ∞ averages 3.9 out of 5 from 357 ratings, while Smart Day Calendar averages 5.0 from 1 ratings.

### Do Authenticator App ∞ or Smart Day Calendar have ads?

Neither Authenticator App ∞ nor Smart Day Calendar shows ads.

### Which is updated more often, Authenticator App ∞ or Smart Day Calendar?

Authenticator App ∞ ships an update every 2 months, and Smart Day Calendar every 9 days. Most recently, Authenticator App ∞ was updated on October 25, 2026 and Smart Day Calendar on October 9, 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.*