# Inside INTL vs Retro ID

The clearest difference is ads: Inside INTL at none against Retro ID's shown. Inside INTL also leads on update cadence (every 9 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Inside INTL sells 3 in-app purchases, starting at $9.99 per 7 days and Retro ID sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Inside INTL ships an update every 9 days, Retro ID every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Inside INTL | Retro ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/retro-id-tech-identifier-ai/id6759243217/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 80 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [盼 刘](https://appshunter.io/developer/1821461032) | [Dogan TURAN](https://appshunter.io/developer/1759144166) |

## What reviewers say

### Inside INTL

[App page](https://appshunter.io/ios/app/inside-intl-app-lock-manager/id6748591101)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Yearly Plan | $42.99 | per year |
| Lifetime Plan | $69.99 | one-time |


### Retro ID

[App page](https://appshunter.io/ios/app/retro-id-tech-identifier-ai/id6759243217)

Instantly identify vintage electronics using AI-powered image recognition. Get details on brand, model, era, authentication, condition, estimated value, and historical context. Track your collection's total worth and share your findings.

**Highlights:** AI-powered identification, Authentication assessment, Condition grading, Estimated market value, Price trend indicator, Collection management, Technical specifications

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retro Identifier Pro Weekly | $9.99 | per 7 days |
| Retro Identifier Annually | $29.99 | per year |
| Retro Identifier Annually | $29.99 | per year |
| Retro Identifier Pro Annually | $59.99 | per year |


## Frequently asked questions

### Is Inside INTL free?

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

### Is Retro ID free?

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

### Do Inside INTL or Retro ID have ads?

Retro ID shows ads; Inside INTL does not.

### Which is updated more often, Inside INTL or Retro ID?

Inside INTL ships an update every 9 days, and Retro ID every 3 weeks. Most recently, Inside INTL was updated on October 28, 2026 and Retro ID on October 31, 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.*