# Percentage Difference vs Delta Calc

The clearest difference is price: Percentage Difference at Free against Delta Calc's $0.99. Percentage Difference also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 17.6). On ads and device support there is nothing between them.

Percentage Difference is free to download; Delta Calc costs $0.99 up front. Delta Calc sells 3 in-app purchases, starting at $0.99 per month. Percentage Difference asks for nothing beyond the download.

## The numbers

| Metric | Percentage Difference | Delta Calc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/delta-calc/id6504148868/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Paid |
| Size | 40 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) | [Stephen Coffey](https://appshunter.io/developer/1723308273) |

## What reviewers say

### Percentage Difference

[App page](https://appshunter.io/ios/app/percentage-difference/id1619680450)

**Features:** macOS Compatibility

**In-app purchases:** none


### Delta Calc

[App page](https://appshunter.io/ios/app/delta-calc/id6504148868)

Quickly calculate percent changes, discounts, and financial gains without complex math. Solve for any of the three values in the percent change formula with an intuitive interface and fun animations.

**Highlights:** Calculate percent changes, Solve for any variable in the formula, Customizable decimal places, Haptic feedback, Fun animations, Adjustable keyboard buttons

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delta Calc Monthly | $0.99 | per month |
| Delta Calc Yearly | $4.99 | per year |
| Delta Calc Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Percentage Difference free?

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

### Is Delta Calc free?

Delta Calc costs $0.99, and also offers in-app purchases.

### Do Percentage Difference or Delta Calc have ads?

Neither Percentage Difference nor Delta Calc shows ads.

---

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