# Spaced Math vs Học Vui Mỗi Ngày

The clearest difference is in-app purchases: Học Vui Mỗi Ngày at none against Spaced Math's 1. Học Vui Mỗi Ngày also leads on update cadence (every 2 days vs every 2 weeks). Spaced Math's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Spaced Math sells 1 one-off in-app purchase. Học Vui Mỗi Ngày asks for nothing beyond the download.

Spaced Math ships an update every 2 weeks, Học Vui Mỗi Ngày every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Spaced Math | Học Vui Mỗi Ngày |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/spaced-math/id6770719584/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 208 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frank Galanti III](https://appshunter.io/developer/1896761925) | [Hieu Doan](https://appshunter.io/developer/905220502) |

## What reviewers say

### Spaced Math

[App page](https://appshunter.io/ios/app/spaced-math/id6770719584)

Master math facts with engaging daily practice. This app uses spaced repetition to focus on what your child needs to learn, offering multiple input methods and detailed progress tracking. It's designed for families with multiple profiles and no ads or subscriptions.

**Highlights:** Spaced repetition learning, Addition, subtraction, multiplication, division, Keypad, voice, and handwriting input, Multiple child profiles, Detailed progress tracking, iCloud sync and family sharing

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spaced Math Lifetime Unlock | $9.99 | one-time |


### Học Vui Mỗi Ngày

[App page](https://appshunter.io/ios/app/hoc-vui-moi-ngay/id6806516141)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Spaced Math free?

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

### Is Học Vui Mỗi Ngày free?

Học Vui Mỗi Ngày is free to download, with no in-app purchases.

### Do Spaced Math or Học Vui Mỗi Ngày have ads?

Neither Spaced Math nor Học Vui Mỗi Ngày shows ads.

### Which is updated more often, Spaced Math or Học Vui Mỗi Ngày?

Spaced Math ships an update every 2 weeks, and Học Vui Mỗi Ngày every 2 days. Most recently, Spaced Math was updated on October 31, 2026 and Học Vui Mỗi Ngày on October 31, 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.*