# iCalc Math vs BookMoves

The clearest difference is rating: BookMoves at 4.5 against iCalc Math's 1.0. BookMoves also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 12 months). iCalc Math's advantage is iOS requirement (7.0 vs 13.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. iCalc Math sells 1 one-off in-app purchase. BookMoves asks for nothing beyond the download.

BookMoves holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

iCalc Math ships an update every 12 months, BookMoves every 3 weeks. The most recent releases landed on June 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iCalc Math | BookMoves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/icalc-math/id938389990/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/bookmoves/id6469711333/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 70 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dae-Hyeon Kim](https://appshunter.io/developer/630617759) | [Regulus Team s.r.o.](https://appshunter.io/developer/1563166617) |

## What reviewers say

### iCalc Math

[App page](https://appshunter.io/ios/app/icalc-math/id938389990)

This app offers a versatile calculator with seven distinct modes for various needs, from basic arithmetic and scientific calculations to programming, statistics, unit conversion, matrix operations, and graphing. It supports advanced functions and system conversions.

**Highlights:** Multiple calculation modes (Calculator, Programmer, Statistics, IP Subnet, Unit Converter, Matrix, Grapher), Advanced scientific and trigonometric functions, Number system conversions (DEC, BIN, HEX, OCT), Unit conversion for various measurements, Matrix operations, Function graphing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCalc Math Pro | $0.99 | one-time |


### BookMoves

[App page](https://appshunter.io/ios/app/bookmoves/id6469711333)

Master chess openings with a unique blend of theory, computer science, and spaced repetition. Memorize hundreds of variants for both sides and transition from rote learning to intuitive application. Overcome the forgetting curve with an innovative technique for lasting mastery.

**Highlights:** Chess opening theory, Spaced repetition learning, Hundreds of chess variants, Statistical probabilities, Integrated scoring system, Algorithmic improvement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iCalc Math free?

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

### Is BookMoves free?

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

### Which has better reviews, iCalc Math or BookMoves?

BookMoves is rated higher. iCalc Math averages 1.0 out of 5 from 1 ratings, while BookMoves averages 4.5 from 4 ratings.

### Do iCalc Math or BookMoves have ads?

Neither iCalc Math nor BookMoves shows ads.

### Which is updated more often, iCalc Math or BookMoves?

iCalc Math ships an update every 12 months, and BookMoves every 3 weeks. Most recently, iCalc Math was updated on June 25, 2026 and BookMoves on October 1, 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.*