# Authenticator 2FA by KeepSolid vs Authenticator App

The clearest difference is in-app purchases: Authenticator 2FA by KeepSolid at none against Authenticator App's 5. Authenticator 2FA by KeepSolid also leads on review sentiment (75% vs 60%). Authenticator App's advantage is rating (4.3 vs 3.9) and update cadence (every 9 days vs monthly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 5 in-app purchases, starting at $4.99 per month. Authenticator 2FA by KeepSolid asks for nothing beyond the download.

Authenticator App holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 11 and 4 respectively. Written reviews complicate that: 75% of Authenticator 2FA by KeepSolid's written reviews are positive against 60% of Authenticator App's, so the app with the better star average is not the one people write more warmly about.

Authenticator 2FA by KeepSolid ships an update monthly, Authenticator App every 9 days. The most recent releases landed on September 29, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Authenticator 2FA by KeepSolid | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (11 ratings)](https://appshunter.io/ios/app/authenticator-2fa-by-keepsolid/id1660779042/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/authenticator-app-authy-2fa/id6444312209/reviews)** |
| Number of ratings | **11** | 4 |
| Positive reviews | **75.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 45 MB | 22 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [KeepSolid Inc.](https://appshunter.io/developer/674978021) | [满 李](https://appshunter.io/developer/1653727587) |

## What reviewers say

### Authenticator 2FA by KeepSolid

[App page](https://appshunter.io/ios/app/authenticator-2fa-by-keepsolid/id1660779042)

This app generates time-based one-time passwords to add an extra layer of security for your online accounts. It supports multi-factor authentication for services like Facebook, Google, and Amazon, protecting your data from unauthorized access. The app offers multi-device support and a user-friendly interface.

**Highlights:** Two-factor authentication (TFA/2FA), Time-based one-time passwords (TOTP), Multi-device support, Secure code generation, User-friendly interface, Account aggregation

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-authy-2fa/id6444312209)

This app securely manages and generates two-factor authentication codes for numerous online services. It offers seamless cross-device syncing via iCloud and a native Apple experience with features like Dark Mode and biometric unlock. Easily import existing accounts and enjoy lifetime access with a one-time payment.

**Highlights:** Secure 2FA code generation, Cross-device iCloud sync, Native Apple experience, Extensive service support, One-click Google Authenticator import, Lifetime membership option

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Pro - Monthly | $4.99 | per month |
| Authenticator Pro - Annual | $9.99 | per year |
| Authenticator Pro - Annual | $14.99 | per year |
| Authenticator Pro - Lifetime | $29.99 | one-time |
| Authenticator Pro - Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Authenticator 2FA by KeepSolid free?

Authenticator 2FA by KeepSolid is free to download, with no in-app purchases.

### Is Authenticator App free?

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

### Which has better reviews, Authenticator 2FA by KeepSolid or Authenticator App?

Authenticator App is rated higher. Authenticator 2FA by KeepSolid averages 3.9 out of 5 from 11 ratings, while Authenticator App averages 4.3 from 4 ratings.

### Do Authenticator 2FA by KeepSolid or Authenticator App have ads?

Neither Authenticator 2FA by KeepSolid nor Authenticator App shows ads.

### Which is updated more often, Authenticator 2FA by KeepSolid or Authenticator App?

Authenticator 2FA by KeepSolid ships an update monthly, and Authenticator App every 9 days. Most recently, Authenticator 2FA by KeepSolid was updated on September 29, 2026 and Authenticator App on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*