# Authenticator 2FA by KeepSolid vs 2FA Authenticator

The clearest difference is rating: 2FA Authenticator at 5.0 against Authenticator 2FA by KeepSolid's 3.9. 2FA Authenticator also leads on update cadence (every 6 days vs monthly). Authenticator 2FA by KeepSolid's advantage is review sentiment (75% vs 35%) and in-app purchases (none vs 4). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 2FA Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. Authenticator 2FA by KeepSolid asks for nothing beyond the download.

2FA Authenticator holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews complicate that: 75% of Authenticator 2FA by KeepSolid's written reviews are positive against 35% of 2FA Authenticator'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, 2FA Authenticator every 6 days. The most recent releases landed on August 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Authenticator 2FA by KeepSolid | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (11 ratings)](https://appshunter.io/ios/app/authenticator-2fa-by-keepsolid/id1660779042/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/2fa-authenticator-mfaotpauth/id6503233227/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | **75.0% of reviews** | 34.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 45 MB | 32 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KeepSolid Inc.](https://appshunter.io/developer/674978021) | [朝虹 陈](https://appshunter.io/developer/1678918725) |

## 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


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-mfaotpauth/id6503233227)

This app provides robust digital security for your online accounts using end-to-end encryption. It simplifies adding accounts, securely backs up and syncs your data, and offers offline password generation. Manage all your passwords and generate strong ones with ease.

**Highlights:** Effortless account addition via QR code, Secure data backup and cross-device sync, Offline one-time password generation, Password manager for central organization, Customizable strong password generator, Face ID and Touch ID secure access

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Weekly | $4.99 | per 7 days |
| Authenticator - Weekly | $4.99 | per 7 days |
| Authenticator Yearly | $39.99 | per year |
| Authenticator 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 2FA Authenticator free?

2FA Authenticator is free to download, with in-app purchases available.

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

2FA Authenticator is rated higher. Authenticator 2FA by KeepSolid averages 3.9 out of 5 from 11 ratings, while 2FA Authenticator averages 5.0 from 3 ratings.

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

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

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

Authenticator 2FA by KeepSolid ships an update monthly, and 2FA Authenticator every 6 days. Most recently, Authenticator 2FA by KeepSolid was updated on August 18, 2026 and 2FA Authenticator on September 22, 2026.

---

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