# Calculator mini vs 天隆希望能源

The clearest difference is in-app purchases: 天隆希望能源 at none against Calculator mini's 1. 天隆希望能源 also leads on iOS requirement (12.0 vs 17.0). Calculator mini's advantage is update cadence (every 2 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Calculator mini sells 1 one-off in-app purchase. 天隆希望能源 asks for nothing beyond the download.

Calculator mini ships an update every 2 days, 天隆希望能源 every 4 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calculator mini | 天隆希望能源 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/calculator-mini-combo/id1672581992/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Free | — |
| Size | 3 MB | 48 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [鑫 吴](https://appshunter.io/developer/1439411405) | [Safety Education Consulting Shandong Co., Ltd](https://appshunter.io/developer/1735855714) |

## What reviewers say

### Calculator mini

[App page](https://appshunter.io/ios/app/calculator-mini-combo/id1672581992)

A straightforward calculator app featuring a clean design. It offers essential calculation functions, a history log, and home screen widget support for quick access. Enjoy a seamless and elegant user experience for your everyday calculations.

**Highlights:** Basic calculation functions, Combination calculation, History records, Home screen widgets, Sleek design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator mini · Pro | $0.99 | one-time |


### 天隆希望能源

[App page](https://appshunter.io/ios/app/id6503335789)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator mini free?

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

### Is 天隆希望能源 free?

天隆希望能源 is free to download, with no in-app purchases.

### Do Calculator mini or 天隆希望能源 have ads?

Neither Calculator mini nor 天隆希望能源 shows ads.

### Which is updated more often, Calculator mini or 天隆希望能源?

Calculator mini ships an update every 2 days, and 天隆希望能源 every 4 months. Most recently, Calculator mini was updated on October 25, 2026 and 天隆希望能源 on October 27, 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.*