# InversionLetter vs Upside Down Text ∞

The clearest difference is review sentiment: Upside Down Text ∞ at 89% against InversionLetter's 15%. Upside Down Text ∞ also leads on rating (4.9 vs 1.0) and ads (none vs shown). InversionLetter's advantage is iOS requirement (10.3 vs 26.0). On price, 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.

Upside Down Text ∞ holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Upside Down Text ∞ has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 15% of InversionLetter's written reviews are positive against 89% of Upside Down Text ∞'s.

InversionLetter ships an update every 17 months, Upside Down Text ∞ every 2 months. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | InversionLetter | Upside Down Text ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/inversionletter/id970949034/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/upside-down-text/id1512472489/reviews)** |
| Number of ratings | 1 | **15** |
| Positive reviews | 15.0% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 26 MB | 6 MB |
| Requires iOS | **10.3** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EIICHI KOMINE](https://appshunter.io/developer/495643581) | [Sandya Leelarathne](https://appshunter.io/developer/1382464578) |

## 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


### Upside Down Text ∞

[App page](https://appshunter.io/ios/app/upside-down-text/id1512472489)

Easily flip your text upside down to create unique messages. Simply type your text, copy it, and paste it into any application to surprise your friends. Have fun experimenting with this simple yet engaging tool.

**Highlights:** Type text to format, Copy formatted text, Share formatted text, Paste into any app, Create unique messages

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is InversionLetter free?

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

### Is Upside Down Text ∞ free?

Upside Down Text ∞ is free to download, with no in-app purchases.

### Which has better reviews, InversionLetter or Upside Down Text ∞?

Upside Down Text ∞ is rated higher. InversionLetter averages 1.0 out of 5 from 1 ratings, while Upside Down Text ∞ averages 4.9 from 15 ratings.

### Do InversionLetter or Upside Down Text ∞ have ads?

InversionLetter shows ads; Upside Down Text ∞ does not.

### Which is updated more often, InversionLetter or Upside Down Text ∞?

InversionLetter ships an update every 17 months, and Upside Down Text ∞ every 2 months. Most recently, InversionLetter was updated on September 27, 2026 and Upside Down Text ∞ on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*