# 务实 vs Science Calc

The clearest difference is in-app purchases: Science Calc at none against 务实's 4. Science Calc also leads on update cadence (every 5 days vs monthly). 务实's advantage is iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 务实 sells 4 one-off in-app purchases. Science Calc asks for nothing beyond the download.

务实 ships an update monthly, Science Calc every 5 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 务实 | Science Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/science-calc/id1620799327/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free |
| Size | 32 MB | 1 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [程欣 朱](https://appshunter.io/developer/1808327732) | [Luke Drushell](https://appshunter.io/developer/1565902401) |

## What reviewers say

### 务实

[App page](https://appshunter.io/ios/app/id1474765920)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12务实币 | $1.99 | one-time |
| 25务实币 | $3.99 | one-time |
| 40务实币 | $5.99 | one-time |
| 50务实币 | $7.99 | one-time |


### Science Calc

[App page](https://appshunter.io/ios/app/science-calc/id1620799327)

This app simplifies complex science calculations with handy formulas and simulations. It offers features like wavelength, frequency, and velocity calculations, plus a nuclear bomb blast radius simulator. Enjoy a dark mode for late-night study sessions.

**Highlights:** Wavelength, Frequency, Velocity Calculator, Nuclear Bomb Blast Radius Simulator, Half Life Computation, Atomic Mass Calculation, Volume and Surface Area Calculator, Logarithm Equation Solver, Dark Mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 务实 free?

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

### Is Science Calc free?

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

### Do 务实 or Science Calc have ads?

Neither 务实 nor Science Calc shows ads.

### Which is updated more often, 务实 or Science Calc?

务实 ships an update monthly, and Science Calc every 5 days. Most recently, 务实 was updated on October 29, 2026 and Science Calc on October 24, 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.*