# Exchange rate calculation ! vs Sky Resources

The clearest difference is rating: Sky Resources at 5.0 against Exchange rate calculation !'s 4.6. Sky Resources also leads on monetization model (free vs free with in-app purchases). Exchange rate calculation !'s advantage is ratings volume (85 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Exchange rate calculation ! sells 1 one-off in-app purchase and Sky Resources sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sky Resources holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Exchange rate calculation ! has 85 ratings behind it against 1, so its average is the more settled of the two.

Exchange rate calculation ! ships an update every 2 months, Sky Resources every 6 weeks. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Exchange rate calculation ! | Sky Resources |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (85 ratings)](https://appshunter.io/ios/app/exchange-rate-calculation/id1053791609/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sky-resources/id6451418575/reviews)** |
| Number of ratings | **85** | 1 |
| Positive reviews | 89.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 109 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [玺鑫 王](https://appshunter.io/developer/1063226587) | [Nathan Michael](https://appshunter.io/developer/1698153114) |

## What reviewers say

### Exchange rate calculation !

[App page](https://appshunter.io/ios/app/exchange-rate-calculation/id1053791609)

Easily convert currencies for over 200 countries with real-time rates. This tool offers custom conversion, rate fluctuation alerts, and is ideal for travelers and investors.

**Highlights:** Real-time exchange rates for 200+ countries, Customizable currency conversion, Rate fluctuation warning notifications, Forex real money pictures, Cross exchange rate calculation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP会员 | $3.99 | one-time |


### Sky Resources

[App page](https://appshunter.io/ios/app/sky-resources/id6451418575)

This schedule manager helps you organize your time and tasks with an intuitive interface. It supports team collaboration, event management with sub-events, and calendar synchronization. Customizable reminders ensure you never miss an important deadline.

**Highlights:** Intuitive interface, Main events and sub-events, Team collaboration, Calendar integration, Reminders and notifications

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $5 Fund | $4.99 | one-time |
| $15 Fund | $14.99 | one-time |
| $20 Fund | $19.99 | one-time |
| $25 Fund | $24.99 | one-time |
| $30 Fund | $29.99 | one-time |
| $40 Fund | $39.99 | one-time |
| $45 Fund | $44.99 | one-time |
| $50 Fund | $49.99 | one-time |
| $55 Fund | $54.99 | one-time |
| $60 Fund | $59.99 | one-time |


## Frequently asked questions

### Is Exchange rate calculation ! free?

Exchange rate calculation ! is free to download, with in-app purchases available.

### Is Sky Resources free?

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

### Which has better reviews, Exchange rate calculation ! or Sky Resources?

Sky Resources is rated higher. Exchange rate calculation ! averages 4.6 out of 5 from 85 ratings, while Sky Resources averages 5.0 from 1 ratings.

### Do Exchange rate calculation ! or Sky Resources have ads?

Neither Exchange rate calculation ! nor Sky Resources shows ads.

### Which is updated more often, Exchange rate calculation ! or Sky Resources?

Exchange rate calculation ! ships an update every 2 months, and Sky Resources every 6 weeks. Most recently, Exchange rate calculation ! was updated on September 7, 2026 and Sky Resources on September 9, 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.*