# 賞味期限スキャナ vs Saisun

The clearest difference is in-app purchases: 賞味期限スキャナ at none against Saisun's 1. 賞味期限スキャナ also leads on update cadence (fortnightly vs monthly). Saisun's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Saisun sells 1 in-app purchase, starting at $2.99 per month. 賞味期限スキャナ asks for nothing beyond the download.

賞味期限スキャナ ships an update fortnightly, Saisun monthly. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 賞味期限スキャナ | Saisun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Size | 41 MB | 52 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Curiosity Software Inc.](https://appshunter.io/developer/1688987562) | [Satoshi Sakuma](https://appshunter.io/developer/1791815850) |

## What reviewers say

### 賞味期限スキャナ

[App page](https://appshunter.io/ios/app/id6449421077)

**Features:** macOS Compatibility

**In-app purchases:** none


### Saisun

[App page](https://appshunter.io/ios/app/saisun-ai-clothes-sizer/id6746278475)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.99 | per month |


## Frequently asked questions

### Is 賞味期限スキャナ free?

賞味期限スキャナ is free to download, with no in-app purchases.

### Is Saisun free?

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

### Do 賞味期限スキャナ or Saisun have ads?

賞味期限スキャナ shows ads; Saisun does not.

### Which is updated more often, 賞味期限スキャナ or Saisun?

賞味期限スキャナ ships an update fortnightly, and Saisun monthly. Most recently, 賞味期限スキャナ was updated on October 25, 2026 and Saisun on October 17, 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.*