# SpamBlocker vs ヤマヨ メジャー計測

The clearest difference is in-app purchases: ヤマヨ メジャー計測 at none against SpamBlocker's 1. ヤマヨ メジャー計測 also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. SpamBlocker sells 1 one-off in-app purchase. ヤマヨ メジャー計測 asks for nothing beyond the download.

SpamBlocker ships an update every 3 months, ヤマヨ メジャー計測 every 5 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SpamBlocker | ヤマヨ メジャー計測 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/spamblocker/id570617592/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 21.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 7 MB | 34 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seimitsusakufu LLC](https://appshunter.io/developer/459361672) | [YAMAYO MEASURING TOOLS CO., LTD.](https://appshunter.io/developer/1559181378) |

## What reviewers say

### SpamBlocker

[App page](https://appshunter.io/ios/app/spamblocker/id570617592)

This app helps manage unwanted emails by reassigning spam mailboxes and filtering incoming messages. It uses machine learning and rule-based systems to identify and block junk mail, supporting IMAP/POP3 accounts. It does not have mail sending capabilities.

**Highlights:** Spam/Trash mailbox reassignment, Machine learning spam filtering, Rule-based filtering (sender, subject), IMAP/POP3 support, HTML image blocking, Multi-account support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad&Limitation | $0.99 | one-time |


### ヤマヨ メジャー計測

[App page](https://appshunter.io/ios/app/id1559181376)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpamBlocker free?

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

### Is ヤマヨ メジャー計測 free?

ヤマヨ メジャー計測 is free to download, with no in-app purchases.

### Do SpamBlocker or ヤマヨ メジャー計測 have ads?

Neither SpamBlocker nor ヤマヨ メジャー計測 shows ads.

### Which is updated more often, SpamBlocker or ヤマヨ メジャー計測?

SpamBlocker ships an update every 3 months, and ヤマヨ メジャー計測 every 5 days. Most recently, SpamBlocker was updated on November 1, 2026 and ヤマヨ メジャー計測 on November 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.*