# Text Calculator vs SimDif

The clearest difference is price: SimDif at Free against Text Calculator's $0.99. SimDif also leads on rating (4.7 vs 2.0) and review sentiment (81% vs 50%). Text Calculator's advantage is in-app purchases (none vs 15). On ads, device support and iOS requirement there is nothing between them.

SimDif is free to download; Text Calculator costs $0.99 up front. SimDif sells 15 in-app purchases, starting at $3.99 per month. Text Calculator asks for nothing beyond the download.

SimDif holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: SimDif has 1.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Text Calculator's written reviews are positive against 81% of SimDif's.

Text Calculator ships an update every 18 months, SimDif monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Text Calculator | SimDif |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/text-calculator/id312780942/reviews) | **[4.7 (1.6K ratings)](https://appshunter.io/ios/app/simdif-website-builder/id560089880/reviews)** |
| Number of ratings | 3 | **1.6K** |
| Positive reviews | 50.0% of reviews | **81.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [The Simple Different Company Ltd](https://appshunter.io/developer/560089883) |

## What reviewers say

### Text Calculator

[App page](https://appshunter.io/ios/app/text-calculator/id312780942)

Enter mathematical formulas as text and get instant results. Review past calculations with a history feature for error checking and reuse. Supports advanced functions and constants, and can email your calculation history.

**Highlights:** Text-based formula input, Calculation history, Reuse past calculations, Email history, Advanced functions and constants, iPad split screen support

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

**In-app purchases:** none


### SimDif

[App page](https://appshunter.io/ios/app/simdif-website-builder/id560089880)

Easily create, edit, and publish professional websites from any device. AI tools assist with writing and optimization, simplifying the process for beginners and pros alike. Connect custom domains and choose from various plans, including a free option.

**Highlights:** AI-powered writing assistance, Step-by-step content advisor, Cross-device compatibility, Optimization Assistant for SEO, Customizable themes and forms, E-commerce integration

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart features (1 month) | $3.99 | per month |
| Smart Features (1 month) | $7.90 | per month |
| Smart Standard (1 month) | $8.49 | per month |
| Pro features (1 month) | $14.90 | per month |
| Pro Standard (1 month) | $16.49 | per month |
| SimDif SMART _ Annual Payment | $38.99 | per year |
| Smart Standard (1 year) | $59.00 | per year |
| Smart Features (1 year) | $79.00 | per year |
| Pro Standard (1 year) | $109.00 | per year |
| Pro features (1 year) | $149.00 | per year |
| Pro Renewal for 1 Year SimDif1 | $39.99 | one-time |
| 1 Year of Pro features for this site | $54.99 | one-time |
| Smart features (1 year) | $59.00 | one-time |
| Pro features (1 year) | $109.00 | one-time |
| Pro Standard (1 year) | $109.00 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Straightforward website creation
- 💡 Customizable templates
- 🚀 Quick updates and publishing
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 🔒 Limited customization options
- 🔒 Restricted to 30 pages in free version
- 🔒 Mandatory publishing every 21 days
- 🔒 Inability to edit existing sites

**Reported bugs**

- Verification email not working
- Inability to upload images
- Subscription issues and billing problems
- Compatibility problems with certain browsers

**Requested features**

- Undo/redo functionality
- Expanded template library
- More font and color customization
- Ability to embed videos and documents
- Improved SEO and analytics tools


## Frequently asked questions

### Is Text Calculator free?

Text Calculator costs $0.99, with no in-app purchases.

### Is SimDif free?

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

### Which has better reviews, Text Calculator or SimDif?

SimDif is rated higher. Text Calculator averages 2.0 out of 5 from 3 ratings, while SimDif averages 4.7 from 1.6K ratings.

### Do Text Calculator or SimDif have ads?

Neither Text Calculator nor SimDif shows ads.

### Which is updated more often, Text Calculator or SimDif?

Text Calculator ships an update every 18 months, and SimDif monthly. Most recently, Text Calculator was updated on October 7, 2026 and SimDif on October 12, 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.*