# Convertly vs Freestyle Calculator

Convertly and Freestyle Calculator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Convertly sells 1 one-off in-app purchase and Freestyle Calculator sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Convertly ships an update every 4 days, Freestyle Calculator weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Convertly | Freestyle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Freemium |
| Size | 5 MB | 27 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Avi Shany](https://appshunter.io/developer/1768441278) | [锋 邹](https://appshunter.io/developer/1863829052) |

## What reviewers say

### Convertly

[App page](https://appshunter.io/ios/app/convertly-unit-converter/id6748157020)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Categories | $1.99 | one-time |


### Freestyle Calculator

[App page](https://appshunter.io/ios/app/freestyle-calculator-sci-and-fx/id6760956908)

This app offers real-time expression editing with instant results as you type, eliminating the need for an equals button. It features a searchable history, unit conversions, and customizable keyboard layouts and themes for a personalized calculation experience.

**Highlights:** Real-time expression preview, Live editing with cursor repositioning, Searchable, annotated calculation history, Unit conversions for various metrics, Customizable keyboard layouts and themes, Cloud sync for backup and restore

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcStudio Pro Monthly | $0.99 | per month |
| CalcStudio Pro Annual | $3.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| CalcStudio Pro Lifetime | $7.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is Convertly free?

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

### Is Freestyle Calculator free?

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

### Do Convertly or Freestyle Calculator have ads?

Neither Convertly nor Freestyle Calculator shows ads.

### Which is updated more often, Convertly or Freestyle Calculator?

Convertly ships an update every 4 days, and Freestyle Calculator weekly. Most recently, Convertly was updated on October 30, 2026 and Freestyle Calculator on November 5, 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.*