# Safe Authenticator vs Gravitio

The clearest difference is in-app purchases: Safe Authenticator at none against Gravitio's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gravitio sells 2 in-app purchases, starting at $9.99 per month. Safe Authenticator asks for nothing beyond the download.

Safe Authenticator ships an update every 3 months, Gravitio every 2 months. The most recent releases landed on October 11, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Safe Authenticator | Gravitio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 2 MB | 14 MB |
| Requires iOS | **17.3** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Mohammadali Ghanavati](https://appshunter.io/developer/1469186860) | [Gravitio](https://appshunter.io/developer/1896315897) |

## What reviewers say

### Safe Authenticator

[App page](https://appshunter.io/ios/app/safe-authenticator/id6737532246)

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

**In-app purchases:** none


### Gravitio

[App page](https://appshunter.io/ios/app/gravitio-ai-market-prediction/id6766692456)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $9.99 | per month |
| PREMIUM | $24.99 | per month |


## Frequently asked questions

### Is Safe Authenticator free?

Safe Authenticator is free to download, with no in-app purchases.

### Is Gravitio free?

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

### Do Safe Authenticator or Gravitio have ads?

Neither Safe Authenticator nor Gravitio shows ads.

### Which is updated more often, Safe Authenticator or Gravitio?

Safe Authenticator ships an update every 3 months, and Gravitio every 2 months. Most recently, Safe Authenticator was updated on October 11, 2026 and Gravitio on October 23, 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.*