# Authenticator for Yahoo vs Ruler & Level

The clearest difference is in-app purchases: Ruler & Level at none against Authenticator for Yahoo's 2. Ruler & Level also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Authenticator for Yahoo sells 2 in-app purchases, starting at $3.99 per 7 days. Ruler & Level asks for nothing beyond the download.

## The numbers

| Metric | Authenticator for Yahoo | Ruler & Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-for-yahoo/id6744443225/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Subscription | — |
| Size | 115 MB | 23 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [bili treg](https://appshunter.io/developer/1807737644) | [Pui Chung Ho](https://appshunter.io/developer/6781229379) |

## What reviewers say

### Authenticator for Yahoo

[App page](https://appshunter.io/ios/app/authenticator-for-yahoo/id6744443225)

This app provides secure verification codes for Yahoo account logins, adding a crucial second layer of protection. It generates time-based one-time passwords for fast and reliable two-factor authentication, even offline. Manage multiple accounts with ease and ensure your personal information stays safe.

**Highlights:** Secure Yahoo login verification codes, Fast and easy account setup, Reliable time-based one-time passwords (TOTP), Offline code generation, Support for multiple Yahoo accounts, Backup and restore functionality, Clean and simple interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Safe Access 2FA (weekly std) | $3.99 | per 7 days |
| Safe Access 2FA (weekly trial) | $3.99 | per 7 days |


### Ruler & Level

[App page](https://appshunter.io/ios/app/ruler-and-level/id6781229377)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator for Yahoo free?

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

### Is Ruler & Level free?

Ruler & Level is free to download, with no in-app purchases.

### Do Authenticator for Yahoo or Ruler & Level have ads?

Neither Authenticator for Yahoo nor Ruler & Level shows ads.

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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.*