# Second Eye vs Frontier

The clearest difference is update cadence: Second Eye at every 2 weeks against Frontier's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Second Eye sells 2 in-app purchases, starting at $3.99 per month and Frontier sells 6 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Second Eye ships an update every 2 weeks, Frontier monthly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Second Eye | Frontier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 51 MB | 15 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [PRAGMATIC TECH INNOVATIONS LTD](https://appshunter.io/developer/1575147856) | [Appkitekt Ltd.](https://appshunter.io/developer/1771314634) |

## What reviewers say

### Second Eye

[App page](https://appshunter.io/ios/app/second-eye/id6760843474)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Expand Pack | $1.99 | one-time |


### Frontier

[App page](https://appshunter.io/ios/app/frontier-ai-cognitive-coach/id6762355060)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frontier Weekly Smart Mode | $1.99 | per 7 days |
| Frontier Weekly Genius Mode | $2.99 | per 7 days |
| Frontier Monthly Smart Mode | $5.99 | per month |
| Frontier Monthly Genius Mode | $8.99 | per month |
| Frontier Yearly Smart Mode | $44.99 | per year |
| Frontier Yearly Genius Mode | $69.99 | per year |


## Frequently asked questions

### Is Second Eye free?

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

### Is Frontier free?

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

### Do Second Eye or Frontier have ads?

Neither Second Eye nor Frontier shows ads.

### Which is updated more often, Second Eye or Frontier?

Second Eye ships an update every 2 weeks, and Frontier monthly. Most recently, Second Eye was updated on October 24, 2026 and Frontier on October 7, 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.*