# Stringboard Chinese Keyboard vs Planet Ponder

The clearest difference is in-app purchases: Planet Ponder at none against Stringboard Chinese Keyboard's 2. Planet Ponder also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Stringboard Chinese Keyboard sells 2 in-app purchases, starting at $9.99 per month. Planet Ponder asks for nothing beyond the download.

Stringboard Chinese Keyboard ships an update fortnightly, Planet Ponder every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stringboard Chinese Keyboard | Planet Ponder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/planet-ponder-weekly-learning/id6759616531/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 238 MB | 75 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stringboard Technologies Ltd](https://appshunter.io/developer/1857589830) | [Henry Leung](https://appshunter.io/developer/1414149773) |

## What reviewers say

### Stringboard Chinese Keyboard

[App page](https://appshunter.io/ios/app/stringboard-chinese-keyboard/id6476067037)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月費計劃 | $9.99 | per month |
| Annual plan | $89.99 | per year |


### Planet Ponder

[App page](https://appshunter.io/ios/app/planet-ponder-weekly-learning/id6759616531)

This app offers daily brain games for young learners, combining math challenges, word puzzles, and logic problems. It aims to build confidence in numbers, words, and problem-solving skills through engaging daily mysteries.

**Highlights:** Daily math games, Word puzzles and spelling, Number patterns, Logic puzzles, Collectible stickers, Designed for K-3 learners

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

**In-app purchases:** none


## Frequently asked questions

### Is Stringboard Chinese Keyboard free?

Stringboard Chinese Keyboard is free to download, with in-app purchases available.

### Is Planet Ponder free?

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

### Do Stringboard Chinese Keyboard or Planet Ponder have ads?

Stringboard Chinese Keyboard shows ads; Planet Ponder does not.

### Which is updated more often, Stringboard Chinese Keyboard or Planet Ponder?

Stringboard Chinese Keyboard ships an update fortnightly, and Planet Ponder every 2 weeks. Most recently, Stringboard Chinese Keyboard was updated on November 4, 2026 and Planet Ponder 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.*