# InversionLetter vs グラプリ

The clearest difference is review sentiment: グラプリ at 50% against InversionLetter's 15%. グラプリ also leads on ads (none vs shown) and update cadence (monthly vs every 17 months). InversionLetter's advantage is in-app purchases (none vs 8) and iOS requirement (10.3 vs 13.0). On price and device support there is nothing between them.

Both are free to download. グラプリ sells 8 one-off in-app purchases. InversionLetter asks for nothing beyond the download.

InversionLetter ships an update every 17 months, グラプリ monthly. The most recent releases landed on October 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | InversionLetter | グラプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/inversionletter/id970949034/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 15.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 26 MB | 53 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [EIICHI KOMINE](https://appshunter.io/developer/495643581) | [OTA](https://appshunter.io/developer/1674090778) |

## What reviewers say

### InversionLetter

[App page](https://appshunter.io/ios/app/inversionletter/id970949034)

This app allows users to invert and rotate text messages, then send them as images via email. It offers options to change characters, tilt, and invert text, with various font choices.

**Highlights:** Invert characters, Rotate text, Send as image via email, Change characters, Tilt and invert options, Font selection

**Features:** Vision Pro support

**In-app purchases:** none


### グラプリ

[App page](https://appshunter.io/ios/app/id6446073621)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 130 コイン | $0.99 | one-time |
| 420 コイン | $2.99 | one-time |
| 900 コイン | $5.99 | one-time |
| 4,400 コイン | $29.99 | one-time |
| 9,000 コイン | $59.99 | one-time |
| 18,500 コイン | $119.99 | one-time |
| 48,000 コイン | $299.99 | one-time |
| 48,800 コイン | $299.99 | one-time |


## Frequently asked questions

### Is InversionLetter free?

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

### Is グラプリ free?

グラプリ is free to download, with in-app purchases available.

### Do InversionLetter or グラプリ have ads?

InversionLetter shows ads; グラプリ does not.

### Which is updated more often, InversionLetter or グラプリ?

InversionLetter ships an update every 17 months, and グラプリ monthly. Most recently, InversionLetter was updated on October 13, 2026 and グラプリ on September 22, 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.*