# せどりすとプレミアム vs Ama

The clearest difference is update cadence: せどりすとプレミアム at every 11 days against Ama's every 2 months. せどりすとプレミアム also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

せどりすとプレミアム ships an update every 11 days, Ama every 2 months. The most recent releases landed on October 14, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | せどりすとプレミアム | Ama |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 88.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | — | Free |
| Size | 76 MB | 35 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Orela.org](https://appshunter.io/developer/497296372) | [株式会社JACKALL](https://appshunter.io/developer/1542317547) |

## What reviewers say

### せどりすとプレミアム

[App page](https://appshunter.io/ios/app/id878659679)

**In-app purchases:** none


### Ama

[App page](https://appshunter.io/ios/app/ama-jack/id1542317545)

Scan product barcodes or search by keyword to compare prices with Amazon and identify profitable resale opportunities. Visualize sales trends and jump to other e-commerce sites for faster research. List items directly on Amazon.

**Highlights:** Barcode scanning for price comparison, Keyword and model number search, Sales trend visualization (3-month forecast), Price and seller history graphs, One-tap jump to other e-commerce sites, List items directly on Amazon

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

**In-app purchases:** none


## Frequently asked questions

### Is せどりすとプレミアム free?

せどりすとプレミアム is free to download, with no in-app purchases.

### Is Ama free?

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

### Do せどりすとプレミアム or Ama have ads?

Neither せどりすとプレミアム nor Ama shows ads.

### Which is updated more often, せどりすとプレミアム or Ama?

せどりすとプレミアム ships an update every 11 days, and Ama every 2 months. Most recently, せどりすとプレミアム was updated on October 14, 2026 and Ama on November 3, 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.*