# -48 Calculator vs Flataverse

The clearest difference is review sentiment: -48 Calculator at 100% against Flataverse's 47%. -48 Calculator also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.6). Flataverse's advantage is ratings volume (830 vs 24) and iOS requirement (13.0 vs 17.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flataverse sells 4 in-app purchases, starting at $6.99 per 7 days. -48 Calculator asks for nothing beyond the download.

-48 Calculator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Flataverse has 830 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 100% of -48 Calculator's written reviews are positive against 47% of Flataverse's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | -48 Calculator | Flataverse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (24 ratings)](https://appshunter.io/ios/app/48-calculator/id6448708115/reviews)** | [4.6 (830 ratings)](https://appshunter.io/ios/app/flataverse-explore-flat-earth/id6720764565/reviews) |
| Number of ratings | 24 | **830** |
| Positive reviews | **100.0% of reviews** | 46.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 486 MB |
| Requires iOS | 17.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Thomas McSorley](https://appshunter.io/developer/1685728168) | [Appsline](https://appshunter.io/developer/1633063013) |

## What reviewers say

### -48 Calculator

[App page](https://appshunter.io/ios/app/48-calculator/id6448708115)

This app converts text into numerical values using various cipher dictionaries. It allows saving and searching phrases, calculating date differences, and analyzing public domain Bible texts and archived online posts.

**Highlights:** Text to numeric value conversion, Multiple cipher dictionaries, Save and search phrases, Date difference calculator, Analyze Bible texts, Analyze archived online posts

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

**In-app purchases:** none


### Flataverse

[App page](https://appshunter.io/ios/app/flataverse-explore-flat-earth/id6720764565)

Explore an interactive 3D model of a flat Earth, engage with alternative theories, and test your knowledge through simulations and quizzes. This app encourages critical thinking and offers a unique perspective on natural phenomena.

**Highlights:** Interactive 3D flat Earth model, Evidence and counterargument cards, Volcano and tsunami simulations, Knowledge-testing quizzes, Exploration of alternative theories

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Discovery Week | $6.99 | per 7 days |
| Discovery Week | $6.99 | per 7 days |
| One Year Explorer (50% OFF) | $24.99 | per year |
| One Year Explorer | $49.99 | per year |

**What reviewers like**

- 💡 Educational content with hands-on simulation tools
- 🎮 Interactive 3D flat earth model and quizzes
- 📚 Comprehensive information and resources
- ✨ Visually appealing design and interface
- 🔄 Smooth app performance overall

**What reviewers complain about**

- 💰 Expensive pricing ($7/month or $50/year)
- ❌ Misleading and inaccurate information
- 🤔 Misrepresents flat earth community arguments
- 🔒 Paywalls blocking access to content
- 🐛 Glitchy zoom functionality and texture issues

**Reported bugs**

- Glitchy zoom functionality on 3D model
- Wonky rotations on the globe visualization
- Texture quality needs improvement

**Requested features**

- Community chat room or discussion board
- Free or lower-cost access to content
- Better 3D model textures and polish
- Fix rotation glitches on the globe model
- More witnessable, observable evidence


## Frequently asked questions

### Is -48 Calculator free?

-48 Calculator is free to download, with no in-app purchases.

### Is Flataverse free?

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

### Which has better reviews, -48 Calculator or Flataverse?

-48 Calculator is rated higher. -48 Calculator averages 5.0 out of 5 from 24 ratings, while Flataverse averages 4.6 from 830 ratings.

### Do -48 Calculator or Flataverse have ads?

Neither -48 Calculator nor Flataverse shows ads.

### Which is updated more often, -48 Calculator or Flataverse?

-48 Calculator ships an update monthly, and Flataverse monthly. Most recently, -48 Calculator was updated on October 17, 2026 and Flataverse on October 19, 2026.

---

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