# INFINIT SMART KEY vs Secret Text

The clearest difference is in-app purchases: INFINIT SMART KEY at none against Secret Text's 2. INFINIT SMART KEY also leads on update cadence (every 5 weeks vs every 7 months) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Secret Text sells 2 in-app purchases, starting at $3.99 per month. INFINIT SMART KEY asks for nothing beyond the download.

INFINIT SMART KEY ships an update every 5 weeks, Secret Text every 7 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | INFINIT SMART KEY | Secret Text |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Size | 54 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Hatem Alsehimi](https://appshunter.io/developer/1797489738) | [建忠 黎](https://appshunter.io/developer/1877957285) |

## What reviewers say

### INFINIT SMART KEY

[App page](https://appshunter.io/ios/app/infinit-smart-key/id6743720893)

**Features:** macOS Compatibility

**In-app purchases:** none


### Secret Text

[App page](https://appshunter.io/ios/app/secret-text-encrypt-message/id6759517129)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecretText Premium | $3.99 | per month |
| SecretText Premium | $24.99 | per year |


## Frequently asked questions

### Is INFINIT SMART KEY free?

INFINIT SMART KEY is free to download, with no in-app purchases.

### Is Secret Text free?

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

### Do INFINIT SMART KEY or Secret Text have ads?

Neither INFINIT SMART KEY nor Secret Text shows ads.

### Which is updated more often, INFINIT SMART KEY or Secret Text?

INFINIT SMART KEY ships an update every 5 weeks, and Secret Text every 7 months. Most recently, INFINIT SMART KEY was updated on November 8, 2026 and Secret Text on November 9, 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.*