# Simplify & Solve Equation PRO vs 奇蹟背單字

The clearest difference is price: 奇蹟背單字 at Free against Simplify & Solve Equation PRO's $1.99. 奇蹟背單字 also leads on update cadence (every 5 days vs monthly). Simplify & Solve Equation PRO's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 3). On ratings volume, ads, device support and iOS requirement there is nothing between them.

奇蹟背單字 is free to download; Simplify & Solve Equation PRO costs $1.99 up front. 奇蹟背單字 sells 3 in-app purchases, starting at $1.99 per month. Simplify & Solve Equation PRO asks for nothing beyond the download.

Simplify & Solve Equation PRO holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Simplify & Solve Equation PRO ships an update monthly, 奇蹟背單字 every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Simplify & Solve Equation PRO | 奇蹟背單字 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simplify-and-solve-equation-pro/id1500087480/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/id6741516031/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Paid | — |
| Size | 182 MB | 47 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [ByteTechVista LTD](https://appshunter.io/developer/664410266) |

## What reviewers say

### Simplify & Solve Equation PRO

[App page](https://appshunter.io/ios/app/simplify-and-solve-equation-pro/id1500087480)

This app quickly finds the solution for 'x' in algebraic equations. It shows every step of the simplification process, from complex terms to a simple form, before solving numerically. Supports decimals, constants, and variables, with a history function to save inputs.

**Highlights:** Solves algebraic equations for 'x', Shows step-by-step simplification, Numeric algorithm for solutions, Supports decimals, constants, and variables, History function to save inputs, Highlights incorrect entries

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

**In-app purchases:** none


### 奇蹟背單字

[App page](https://appshunter.io/ios/app/id6741516031)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 背單字會員月卡 | $1.99 | per month |
| 背單字會員年卡 | $17.99 | per year |
| 終身會員 | $12.99 | one-time |


## Frequently asked questions

### Is Simplify & Solve Equation PRO free?

Simplify & Solve Equation PRO costs $1.99, with no in-app purchases.

### Is 奇蹟背單字 free?

奇蹟背單字 is free to download, with in-app purchases available.

### Which has better reviews, Simplify & Solve Equation PRO or 奇蹟背單字?

Simplify & Solve Equation PRO is rated higher. Simplify & Solve Equation PRO averages 5.0 out of 5 from 3 ratings, while 奇蹟背單字 averages 3.8 from 4 ratings.

### Do Simplify & Solve Equation PRO or 奇蹟背單字 have ads?

Neither Simplify & Solve Equation PRO nor 奇蹟背單字 shows ads.

### Which is updated more often, Simplify & Solve Equation PRO or 奇蹟背單字?

Simplify & Solve Equation PRO ships an update monthly, and 奇蹟背單字 every 5 days. Most recently, Simplify & Solve Equation PRO was updated on October 24, 2026 and 奇蹟背單字 on October 24, 2026.

---

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