# Oyunlag vs MemoKid Math

The clearest difference is in-app purchases: Oyunlag at none against MemoKid Math's 3. Oyunlag also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MemoKid Math sells 3 one-off in-app purchases. Oyunlag asks for nothing beyond the download.

Oyunlag ships an update fortnightly, MemoKid Math every 2 months. The most recent releases landed on October 5, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Oyunlag | MemoKid Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/memokid-math/id6448940728/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 43 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Batzorig Barnasan](https://appshunter.io/developer/1523486247) | [Master Code LLC](https://appshunter.io/developer/1497174549) |

## What reviewers say

### Oyunlag

[App page](https://appshunter.io/ios/app/oyunlag/id1523486245)

**In-app purchases:** none


### MemoKid Math

[App page](https://appshunter.io/ios/app/memokid-math/id6448940728)

This application offers exercises designed for rapid calculation training. It aims to enhance mental arithmetic skills through a structured program. Developed by the Mongolian Intellectual Academy, it's suitable for young learners.

**Highlights:** Rapid calculation exercises, Mental arithmetic training, Structured learning program, Suitable for young learners

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months | $12.99 | one-time |
| 6 months | $17.99 | one-time |
| 1 year | $29.99 | one-time |


## Frequently asked questions

### Is Oyunlag free?

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

### Is MemoKid Math free?

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

### Do Oyunlag or MemoKid Math have ads?

Neither Oyunlag nor MemoKid Math shows ads.

### Which is updated more often, Oyunlag or MemoKid Math?

Oyunlag ships an update fortnightly, and MemoKid Math every 2 months. Most recently, Oyunlag was updated on October 5, 2026 and MemoKid Math on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*