# GCM Mail vs 2FA Authenticator

The clearest difference is in-app purchases: GCM Mail at none against 2FA Authenticator's 2. GCM Mail also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 2FA Authenticator sells 2 in-app purchases, starting at $2.99 per 7 days. GCM Mail asks for nothing beyond the download.

GCM Mail ships an update every 5 days, 2FA Authenticator every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | GCM Mail | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2fa-authenticator-mabi-auth/id6772507163/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 31 MB | 20 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GCM TECH SOLUTIONS](https://appshunter.io/developer/1281520213) | [Roberto Culpepper](https://appshunter.io/developer/1713481744) |

## What reviewers say

### GCM Mail

[App page](https://appshunter.io/ios/app/gcm-mail/id6749802646)

**Features:** macOS Compatibility

**In-app purchases:** none


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-mabi-auth/id6772507163)

Secure your online accounts with fast, reliable two-factor authentication. This app offers instant 6-digit codes and Face ID protection. Upgrade for unlimited accounts, backups, and widgets.

**Highlights:** Instant 6-digit codes, Face ID protection, QR code scanning, iCloud Backup & Sync, Home Screen & Lock Screen Widgets, Unlimited accounts (Premium)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is GCM Mail free?

GCM Mail is free to download, with no in-app purchases.

### Is 2FA Authenticator free?

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

### Do GCM Mail or 2FA Authenticator have ads?

Neither GCM Mail nor 2FA Authenticator shows ads.

### Which is updated more often, GCM Mail or 2FA Authenticator?

GCM Mail ships an update every 5 days, and 2FA Authenticator every 3 weeks. Most recently, GCM Mail was updated on October 28, 2026 and 2FA Authenticator on October 31, 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.*