# NotSendMail vs AI仏

The clearest difference is in-app purchases: NotSendMail at none against AI仏's 3. NotSendMail also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). AI仏's advantage is update cadence (fortnightly vs every 16 months). On price and ads there is nothing between them.

Both are free to download. AI仏 sells 3 in-app purchases, starting at $2.99 per month. NotSendMail asks for nothing beyond the download.

NotSendMail ships an update every 16 months, AI仏 fortnightly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | NotSendMail | AI仏 |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Detective Girls](https://appshunter.io/developer/400920860) | [Z DEVELOPER LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1565730853) |

## 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


### AI仏

[App page](https://appshunter.io/ios/app/ai/id6743794231)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI仏プレミアム（月額） | $2.99 | per month |
| 運営を応援する | $2.99 | one-time |
| 広告削除 | $3.99 | one-time |


## Frequently asked questions

### Is NotSendMail free?

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

### Is AI仏 free?

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

### Do NotSendMail or AI仏 have ads?

Both NotSendMail and AI仏 show ads.

### Which is updated more often, NotSendMail or AI仏?

NotSendMail ships an update every 16 months, and AI仏 fortnightly. Most recently, NotSendMail was updated on October 13, 2026 and AI仏 on October 2, 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.*