# LittleGray Calculator vs 智能计算器

The clearest difference is price: 智能计算器 at Free against LittleGray Calculator's $2.99. 智能计算器 also leads on update cadence (every 5 days vs every 4 months). LittleGray Calculator's advantage is in-app purchases (none vs 4) and iOS requirement (8.0 vs 13.0). On ads and device support there is nothing between them.

智能计算器 is free to download; LittleGray Calculator costs $2.99 up front. 智能计算器 sells 4 in-app purchases, starting at $0.99 per month. LittleGray Calculator asks for nothing beyond the download.

LittleGray Calculator ships an update every 4 months, 智能计算器 every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LittleGray Calculator | 智能计算器 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/littlegray-calculator-infinity/id1393837500/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 16 MB | 16 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [峻 杨](https://appshunter.io/developer/1259658398) | [Hebei jiudao network technology co., ltd](https://appshunter.io/developer/1683067256) |

## What reviewers say

### LittleGray Calculator

[App page](https://appshunter.io/ios/app/littlegray-calculator-infinity/id1393837500)

This advanced calculator handles large numbers and complex expressions with real-time calculations. Its columnar display shows the calculation process, and multiple keyboard layouts offer flexibility. Save and recall history, or sync across devices.

**Highlights:** High-precision large number calculations, Real-time custom function evaluation, Columnar display for process and results, Multiple keyboard layouts, History record function, iCloud cloud synchronization, Real-time voice input

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

**In-app purchases:** none


### 智能计算器

[App page](https://appshunter.io/ios/app/id6475540044)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $0.99 | per month |
| 周会员 | $0.99 | per 7 days |
| 季会员 | $2.99 | per 3 months |
| 永久会员 | $7.99 | one-time |


## Frequently asked questions

### Is LittleGray Calculator free?

LittleGray Calculator costs $2.99, with no in-app purchases.

### Is 智能计算器 free?

智能计算器 is free to download, with in-app purchases available.

### Do LittleGray Calculator or 智能计算器 have ads?

Neither LittleGray Calculator nor 智能计算器 shows ads.

### Which is updated more often, LittleGray Calculator or 智能计算器?

LittleGray Calculator ships an update every 4 months, and 智能计算器 every 5 days. Most recently, LittleGray Calculator was updated on October 24, 2026 and 智能计算器 on October 25, 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.*