# next.calc vs Chess Clock

The clearest difference is rating: next.calc at 5.0 against Chess Clock's 4.5. next.calc also leads on review sentiment (100% vs 69%) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. next.calc sells 3 one-off in-app purchases and Chess Clock sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

next.calc holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 39 and 42 respectively. Written reviews point the same way: 100% of next.calc's written reviews are positive against 69% of Chess Clock's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on August 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | next.calc | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (39 ratings)](https://appshunter.io/ios/app/nextcalc-a-modern-calculator/id1470313161/reviews)** | [4.5 (42 ratings)](https://appshunter.io/ios/app/chess-clock-speed-timer/id6497330518/reviews) |
| Number of ratings | 39 | **42** |
| Positive reviews | **100.0% of reviews** | 68.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 19 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Josh Angelsberg](https://appshunter.io/developer/1469949381) | [Natalia Jakubczyk-Gajewska](https://appshunter.io/developer/1307515292) |

## What reviewers say

### next.calc

[App page](https://appshunter.io/ios/app/nextcalc-a-modern-calculator/id1470313161)

A beautifully designed calculator app that offers a modern and intuitive user experience. It features personalization options, live activities, and widgets for quick access, along with advanced editing capabilities for complex expressions.

**Highlights:** Free with no ads or tracking, Customizable themes, Live Activities and Lock Screen Widgets, One-handed keyboard, Infix calculations with syntax highlighting, Infinite history and favorite expressions, Cursor gestures and trackpad support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a slice of pizza | $2.99 | one-time |
| Buy me a coffee | $4.99 | one-time |
| Buy me a burrito | $9.99 | one-time |


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-speed-timer/id6497330518)

This app provides a clean, ad-free timer for various chess game formats, including blitz and rapid. It offers customizable time controls, supports Fischer and Bronstein increment modes, and tracks game statistics for both players. Easily adjust time during a game and switch between portrait and landscape orientations.

**Highlights:** Ad-free interface, Fischer and Bronstein increment modes, Customizable timers, Adjust time during game, Move counter and statistics, Portrait and landscape support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium Subscription | $4.99 | per 7 days |
| Chess Clock Premium | $5.99 | per 7 days |
| Chess Clock Premium | $7.99 | per month |
| Chess Clock Premium | $14.99 | per 3 months |
| Chess Clock Premium | $29.99 | per year |
| Chess Clock Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is next.calc free?

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

### Is Chess Clock free?

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

### Which has better reviews, next.calc or Chess Clock?

next.calc is rated higher. next.calc averages 5.0 out of 5 from 39 ratings, while Chess Clock averages 4.5 from 42 ratings.

### Do next.calc or Chess Clock have ads?

Neither next.calc nor Chess Clock shows ads.

### Which is updated more often, next.calc or Chess Clock?

next.calc ships an update every 5 weeks, and Chess Clock every 5 weeks. Most recently, next.calc was updated on August 26, 2026 and Chess Clock on September 19, 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.*