# ShiftPower vs Percentage Calculator & Math

The clearest difference is rating: ShiftPower at 4.8 against Percentage Calculator & Math's 3.5. ShiftPower also leads on ratings volume (357 vs 2) and device support (4 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ShiftPower holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: ShiftPower has 357 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | ShiftPower | Percentage Calculator & Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (357 ratings)](https://appshunter.io/ios/app/shiftpower/id1473662284/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/percentage-calculator-and-math/id6780200350/reviews) |
| Number of ratings | **357** | 2 |
| Positive reviews | 61.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 112 MB | 7 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Faaftech Tecnologia Ltda](https://appshunter.io/developer/1473662283) | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) |

## What reviewers say

### ShiftPower

[App page](https://appshunter.io/ios/app/shiftpower/id1473662284)

Enhance your driving experience with customizable acceleration modes for sportier and safer performance. Control your vehicle's safety with dedicated Lock and Valet modes, offering over 300 acceleration response maps for a personalized feel.

**Highlights:** Four customizable driving modes, Lock and Valet safety modes, Over 300 acceleration response maps, Sportier and safer overtaking, Plug-and-Play installation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Percentage Calculator & Math

[App page](https://appshunter.io/ios/app/percentage-calculator-and-math/id6780200350)

Easily calculate various percentages, including discounts, taxes, tips, and interest. It offers multiple calculation types, from finding a percentage of a number to determining percentage change and margin. All calculations are performed privately on your device and the app supports 50 languages.

**Highlights:** Percentage of a Number, Percentage Change, Discount Calculation, Tax and Tip Addition, Margin & Markup, Interest Calculation, Chained Percentage Changes

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

**In-app purchases:** none


## Frequently asked questions

### Is ShiftPower free?

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

### Is Percentage Calculator & Math free?

Percentage Calculator & Math is free to download, with no in-app purchases.

### Which has better reviews, ShiftPower or Percentage Calculator & Math?

ShiftPower is rated higher. ShiftPower averages 4.8 out of 5 from 357 ratings, while Percentage Calculator & Math averages 3.5 from 2 ratings.

### Do ShiftPower or Percentage Calculator & Math have ads?

Both ShiftPower and Percentage Calculator & Math show ads.

### Which is updated more often, ShiftPower or Percentage Calculator & Math?

ShiftPower ships an update every 2 weeks, and Percentage Calculator & Math every 2 weeks. Most recently, ShiftPower was updated on November 11, 2026 and Percentage Calculator & Math on November 10, 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.*