NotSendMail vs Grat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NotSendMail
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.
- Compose emails for negative feelings
- Symbolically discard emails
- Reduce stress and improve mood
- No message sending or saving
- Simple and intuitive interface
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This App help you to reduce stress. You edit some ill/bad/sad feeling as e-mail style, and you fly it in the sky or drain it into the sea. Next ,you feel more fine than before. This App doesn't send and save any message.
Grat
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"Grat" is the app for recording your thanks and showing your gratitude by sending a digital letter. ◎ For these cases "I want to remember others' favors" "I'm looking for a way to express my gratitude by more than just a chat message but less formal than a paper letter" ◎ Features ■ Write your thanks Write your emotions, thanks, gratitudes, and what you feel awesome about. ■ Visualize your stock of gratitudes Your recorded gratitudes are built up and the number is shown on the main page. ■ Send a gratitude letter online After writing a letter to whom you want to express your gratitude, you can send an online letter with a published URL. ■ Get positive quotes We deliver positive quotes from famous people. ■ Customizable appearance You can choose from several background colors. ■ Dark theme You can select a dark theme to protect your eyes or save your battery. ■ Secure biometrics lock You can lock the app with biometrics like Face ID or Touch ID if you don't want others to see it. We're very pleased if you send feedback from the contact page in the app.
Screenshots
Verdict
The clearest difference is in-app purchases: NotSendMail at none against Grat's 1. Grat's advantage is ads (none vs shown) and update cadence (every 3 days vs every 16 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Grat sells 1 one-off in-app purchase. NotSendMail asks for nothing beyond the download.
NotSendMail ships an update every 16 months, Grat every 3 days. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.
| Parameter | NotSendMail | Grat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 86.8% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 16 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 14 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Detective Girls | Apero, Inc. |
In-app purchases
NotSendMail
No in-app purchases
Grat
- Carnation Theme$0.99
