# LCM GCD Prime Factor Math vs Math Kobold

The clearest difference is update cadence: Math Kobold at monthly against LCM GCD Prime Factor Math's every 18 months. LCM GCD Prime Factor Math's advantage is price ($0.99 vs $3.99) and iOS requirement (11.0 vs 16). On ads, in-app purchases and device support there is nothing between them.

LCM GCD Prime Factor Math costs $0.99 and Math Kobold $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LCM GCD Prime Factor Math ships an update every 18 months, Math Kobold monthly. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | LCM GCD Prime Factor Math | Math Kobold |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Monetization | — | Paid |
| Size | 5 MB | 141 MB |
| Requires iOS | **11.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maria Dolores Garcia Ferre](https://appshunter.io/developer/970100146) | [Klebert Engineering](https://appshunter.io/developer/1536143644) |

## What reviewers say

### LCM GCD Prime Factor Math

[App page](https://appshunter.io/ios/app/lcm-gcd-prime-factor-math/id1488738897)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Kobold

[App page](https://appshunter.io/ios/app/math-kobold-learning-game/id1536143642)

Practice mental arithmetic with a fun, step-by-step game. Solve math problems to progress through levels, defeat opponents, and earn rewards. Supports addition, subtraction, multiplication, and division with adjustable difficulty.

**Highlights:** Step-by-step mental arithmetic training, Addition, subtraction, multiplication, division practice, Adjustable number ranges and difficulty levels, Reward system with stars and gold chests, Adaptive problem generator, Engaging gameplay with opponents and music

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LCM GCD Prime Factor Math free?

LCM GCD Prime Factor Math costs $0.99, with no in-app purchases.

### Is Math Kobold free?

Math Kobold costs $3.99, with no in-app purchases.

### Do LCM GCD Prime Factor Math or Math Kobold have ads?

Neither LCM GCD Prime Factor Math nor Math Kobold shows ads.

### Which is updated more often, LCM GCD Prime Factor Math or Math Kobold?

LCM GCD Prime Factor Math ships an update every 18 months, and Math Kobold monthly. Most recently, LCM GCD Prime Factor Math was updated on October 26, 2026 and Math Kobold on November 3, 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.*