# Calculator vs Jettle

The clearest difference is in-app purchases: Jettle at none against Calculator's 3. Calculator's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator sells 3 in-app purchases, starting at $0.99 per month. Jettle asks for nothing beyond the download.

Calculator ships an update fortnightly, Jettle weekly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Calculator | Jettle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 8 MB | 21 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [深圳宝乐软件有限公司](https://appshunter.io/developer/1773102040) | [Yunqing Fei](https://appshunter.io/developer/1861075124) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-edit-equations/id6443911558)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月 | $0.99 | per month |
| 1 年 | $1.99 | per year |
| 终身会员 | $2.99 | one-time |


### Jettle

[App page](https://appshunter.io/ios/app/jettle/id6756515917)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is Jettle free?

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

### Do Calculator or Jettle have ads?

Neither Calculator nor Jettle shows ads.

### Which is updated more often, Calculator or Jettle?

Calculator ships an update fortnightly, and Jettle weekly. Most recently, Calculator was updated on November 3, 2026 and Jettle on November 9, 2026.

---

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