# Backplain vs Optarion

The clearest difference is in-app purchases: Optarion at none against Backplain's 2. Optarion also leads on update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

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

Backplain ships an update monthly, Optarion every 9 days. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Backplain | Optarion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/backplain-compare-ai/id6474154184/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 80 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Backplain Inc.](https://appshunter.io/developer/1719066654) | [Abdulkarim habib](https://appshunter.io/developer/1884511712) |

## What reviewers say

### Backplain

[App page](https://appshunter.io/ios/app/backplain-compare-ai/id6474154184)

Access over 30 AI models in one app to get faster, better answers. Compare responses from multiple AI engines side-by-side to instantly find the smartest solution. Boost productivity for research, writing, coding, and more.

**Highlights:** Access 30+ AI models, Side-by-side response comparison, Boost productivity, Affordable subscription, Private and secure

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backplain Pro Monthly | $9.99 | per month |
| Backplain Pro Yearly | $99.99 | per year |


### Optarion

[App page](https://appshunter.io/ios/app/optarion/id6760447529)

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

**In-app purchases:** none


## Frequently asked questions

### Is Backplain free?

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

### Is Optarion free?

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

### Do Backplain or Optarion have ads?

Neither Backplain nor Optarion shows ads.

### Which is updated more often, Backplain or Optarion?

Backplain ships an update monthly, and Optarion every 9 days. Most recently, Backplain was updated on June 5, 2026 and Optarion on September 10, 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.*