# NotSendMail vs やる気メイカー

The clearest difference is in-app purchases: NotSendMail at none against やる気メイカー's 2. NotSendMail also leads on iOS requirement (12.0 vs 14.0). やる気メイカー's advantage is update cadence (every 8 months vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. やる気メイカー sells 2 in-app purchases, starting at $1.49 per month. NotSendMail asks for nothing beyond the download.

NotSendMail ships an update every 16 months, やる気メイカー every 8 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | NotSendMail | やる気メイカー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/notsendmail/id400920857/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 86.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 8 months** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 67 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Detective Girls](https://appshunter.io/developer/400920860) | [yasuhiro kojima](https://appshunter.io/developer/1244729145) |

## What reviewers say

### NotSendMail

[App page](https://appshunter.io/ios/app/notsendmail/id400920857)

Express negative emotions by composing them as emails and then symbolically disposing of them. This app allows you to release feelings of stress, sadness, or anger without actually sending or saving any messages, promoting a sense of relief.

**Highlights:** Compose emails for negative feelings, Symbolically discard emails, Reduce stress and improve mood, No message sending or saving, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### やる気メイカー

[App page](https://appshunter.io/ios/app/id1630794379)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（1ヶ月） | $1.49 | per month |
| プレミアムプラン（1年間） | $15.99 | per year |


## Frequently asked questions

### Is NotSendMail free?

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

### Is やる気メイカー free?

やる気メイカー is free to download, with in-app purchases available.

### Do NotSendMail or やる気メイカー have ads?

Both NotSendMail and やる気メイカー show ads.

### Which is updated more often, NotSendMail or やる気メイカー?

NotSendMail ships an update every 16 months, and やる気メイカー every 8 months. Most recently, NotSendMail was updated on October 18, 2026 and やる気メイカー on October 13, 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.*