# nandeyanen vs InversionLetter

The clearest difference is review sentiment: nandeyanen at 58% against InversionLetter's 15%. nandeyanen also leads on rating (2.0 vs 1.0) and ratings volume (5 vs 1). InversionLetter's advantage is iOS requirement (10.3 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

nandeyanen holds the better App Store score, 2.0 against 1.0. That said, the two scores are not equally well evidenced: nandeyanen has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 58% of nandeyanen's written reviews are positive against 15% of InversionLetter's.

nandeyanen ships an update every 16 months, InversionLetter every 17 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | nandeyanen | InversionLetter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (5 ratings)](https://appshunter.io/ios/app/nandeyanen/id342689345/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/inversionletter/id970949034/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **58.0% of reviews** | 15.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 16 months** | Every 17 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 39 MB | 26 MB |
| Requires iOS | 12.0 | **10.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [OMOSHIRO KAKUMEI CAPSULE PLUS, K.K.](https://appshunter.io/developer/342689348) | [EIICHI KOMINE](https://appshunter.io/developer/495643581) |

## What reviewers say

### nandeyanen

[App page](https://appshunter.io/ios/app/nandeyanen/id342689345)

This entertainment app features a unique Japanese phrase that is triggered by shaking or touching your device. It offers a simple, interactive experience for users interested in Japanese culture.

**Highlights:** Shake and touch interaction, Plays "nandeyanen" phrase, Japanese cultural element, Simple interface

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is nandeyanen free?

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

### Is InversionLetter free?

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

### Which has better reviews, nandeyanen or InversionLetter?

nandeyanen is rated higher. nandeyanen averages 2.0 out of 5 from 5 ratings, while InversionLetter averages 1.0 from 1 ratings.

### Do nandeyanen or InversionLetter have ads?

Both nandeyanen and InversionLetter show ads.

### Which is updated more often, nandeyanen or InversionLetter?

nandeyanen ships an update every 16 months, and InversionLetter every 17 months. Most recently, nandeyanen was updated on November 1, 2026 and InversionLetter on November 1, 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.*