# Kid Study vs Synaplay

The clearest difference is update cadence: Synaplay at every 5 days against Kid Study's monthly. Kid Study's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Kid Study sells 5 one-off in-app purchases and Synaplay sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Kid Study ships an update monthly, Synaplay every 5 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kid Study | Synaplay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/synaplay-brain-training/id6811291985/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 41 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jen Hsien Chen](https://appshunter.io/developer/1576491016) | [勇 刘](https://appshunter.io/developer/1872085466) |

## What reviewers say

### Kid Study

[App page](https://appshunter.io/ios/app/kid-study/id1613678208)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Animal Full Version | $0.99 | one-time |
| Food Full Version | $0.99 | one-time |
| Items Full Version | $0.99 | one-time |
| World, Environment & Nature Full | $0.99 | one-time |
| Full Version | $2.99 | one-time |


### Synaplay

[App page](https://appshunter.io/ios/app/synaplay-brain-training/id6811291985)

Assess your cognitive abilities and train your brain with personalized daily exercises. This app offers a pocket brain gym with science-based drills to improve memory, processing speed, and attention. Track your progress over time with detailed reports and an on-device AI coach.

**Highlights:** Cognitive Brain Age assessment, Personalized 5-minute daily training plan, 7 cognitive modules covering memory, speed, and attention, 60+ brain games across 5 domains, On-device AI brain coach, 28-day progress reports, Streak tracking and widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synaplay Pro Monthly | $7.99 | per month |
| Synaplay Pro Yearly | $49.99 | per year |
| Synaplay Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Kid Study free?

Kid Study is free to download, with in-app purchases available.

### Is Synaplay free?

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

### Do Kid Study or Synaplay have ads?

Neither Kid Study nor Synaplay shows ads.

### Which is updated more often, Kid Study or Synaplay?

Kid Study ships an update monthly, and Synaplay every 5 days. Most recently, Kid Study was updated on October 7, 2026 and Synaplay on October 10, 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.*