# InnoClock vs Delta Calc

The clearest difference is price: InnoClock at Free against Delta Calc's $0.99. Delta Calc's advantage is update cadence (every 3 days vs every 4 weeks). On rating, ratings volume, ads and in-app purchases there is nothing between them.

InnoClock is free to download; Delta Calc costs $0.99 up front. InnoClock sells 7 in-app purchases, starting at $2.99 per month and Delta Calc sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for InnoClock against 5.0 for Delta Calc. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

InnoClock ships an update every 4 weeks, Delta Calc every 3 days. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | InnoClock | Delta Calc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/innoclock-screen-clock-widget/id1643819605/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/delta-calc/id6504148868/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | **Freemium** | Paid |
| Size | 22 MB | 2 MB |
| Requires iOS | **17** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [成东 胡](https://appshunter.io/developer/1643805379) | [Stephen Coffey](https://appshunter.io/developer/1723308273) |

## What reviewers say

### InnoClock

[App page](https://appshunter.io/ios/app/innoclock-screen-clock-widget/id1643819605)

Transform your phone's home screen and charging screen with a variety of artistic clock widgets. Choose from over 20 unique styles, including flip, analog, digital, and roulette clocks, to personalize your device's time display.

**Highlights:** Dozens of crafted clock styles, Flip, analog, digital, and roulette designs, Home screen widgets in multiple sizes, Charging screensaver functionality, Customizable aesthetics (minimalist, neon, pastel), Over 20 unique clock designs

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Quarterly Subscription | $4.99 | per 3 months |
| Yearly Subscription | $9.99 | per year |
| 1-Month Plan | $3.99 | one-time |
| 3-Month Plan | $5.99 | one-time |
| 1-Year Plan | $12.99 | one-time |
| Lifetime Membership | $19.99 | one-time |


### 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, Vision Pro support

**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 InnoClock free?

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

### Is Delta Calc free?

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

### Which has better reviews, InnoClock or Delta Calc?

InnoClock and Delta Calc are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do InnoClock or Delta Calc have ads?

Neither InnoClock nor Delta Calc shows ads.

### Which is updated more often, InnoClock or Delta Calc?

InnoClock ships an update every 4 weeks, and Delta Calc every 3 days. Most recently, InnoClock was updated on October 2, 2026 and Delta Calc on October 17, 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.*