# NotSendMail vs YUMEMO 〜夢記録アプリ〜

The clearest difference is update cadence: YUMEMO 〜夢記録アプリ〜 at every 5 days against NotSendMail's every 16 months. 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.

NotSendMail ships an update every 16 months, YUMEMO 〜夢記録アプリ〜 every 5 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NotSendMail | YUMEMO 〜夢記録アプリ〜 |
| --- | --- | --- |
| 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 | No |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Detective Girls](https://appshunter.io/developer/400920860) | [funnyfan](https://appshunter.io/developer/505193075) |

## 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


### YUMEMO 〜夢記録アプリ〜

[App page](https://appshunter.io/ios/app/yumemo/id6759557886)

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

**In-app purchases:** none


## Frequently asked questions

### Is NotSendMail free?

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

### Is YUMEMO 〜夢記録アプリ〜 free?

YUMEMO 〜夢記録アプリ〜 is free to download, with no in-app purchases.

### Do NotSendMail or YUMEMO 〜夢記録アプリ〜 have ads?

Both NotSendMail and YUMEMO 〜夢記録アプリ〜 show ads.

### Which is updated more often, NotSendMail or YUMEMO 〜夢記録アプリ〜?

NotSendMail ships an update every 16 months, and YUMEMO 〜夢記録アプリ〜 every 5 days. Most recently, NotSendMail was updated on November 1, 2026 and YUMEMO 〜夢記録アプリ〜 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.*