# Cortexia vs SMS Instant

The clearest difference is in-app purchases: Cortexia at none against SMS Instant's 2. Cortexia also leads on ads (none vs shown). SMS Instant's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. SMS Instant sells 2 in-app purchases, starting at $1.99 per month. Cortexia asks for nothing beyond the download.

Cortexia ships an update every 3 months, SMS Instant every 5 months. The most recent releases landed on May 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Cortexia | SMS Instant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (60 ratings)](https://appshunter.io/ios/app/sms-instant/id1504179579/reviews)** |
| Number of ratings | — | **60** |
| Positive reviews | — | 11.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 68 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cortexia SA](https://appshunter.io/developer/1463563853) | [Hayato Shimizu](https://appshunter.io/developer/1207195348) |

## What reviewers say

### Cortexia

[App page](https://appshunter.io/ios/app/cortexia/id1463563854)

**Features:** macOS Compatibility

**In-app purchases:** none


### SMS Instant

[App page](https://appshunter.io/ios/app/sms-instant/id1504179579)

Receive SMS messages anonymously with temporary phone numbers. Protect your private number by using disposable digits for service registrations and urgent SMS needs. Get a new number each time you open the app.

**Highlights:** Disposable phone numbers, Receive registration messages, Anonymous SMS reception, No registration required, Secure private number protection, New number on each launch

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly plan) | $1.99 | per month |
| Premium (Buying out) | $19.99 | one-time |


## Frequently asked questions

### Is Cortexia free?

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

### Is SMS Instant free?

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

### Do Cortexia or SMS Instant have ads?

SMS Instant shows ads; Cortexia does not.

### Which is updated more often, Cortexia or SMS Instant?

Cortexia ships an update every 3 months, and SMS Instant every 5 months. Most recently, Cortexia was updated on May 13, 2026 and SMS Instant on September 25, 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.*