# ぐんぐんきおく vs SPILO think（スピロ・シンク）

The clearest difference is price: SPILO think（スピロ・シンク） at Free against ぐんぐんきおく's $28.99. SPILO think（スピロ・シンク） also leads on update cadence (every 5 days vs every 43 months). ぐんぐんきおく's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

SPILO think（スピロ・シンク） is free to download; ぐんぐんきおく costs $28.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ぐんぐんきおく ships an update every 43 months, SPILO think（スピロ・シンク） every 5 days. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ぐんぐんきおく | SPILO think（スピロ・シンク） |
| --- | --- | --- |
| Price | $28.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 5 days** |
| Size | 153 MB | 128 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Child Caring Association](https://appshunter.io/developer/623054215) | [Yuko Takahashi](https://appshunter.io/developer/1708191163) |

## What reviewers say

### ぐんぐんきおく

[App page](https://appshunter.io/ios/app/id623098749)

**In-app purchases:** none


### SPILO think（スピロ・シンク）

[App page](https://appshunter.io/ios/app/spilo-think/id1574016683)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ぐんぐんきおく free?

ぐんぐんきおく costs $28.99, with no in-app purchases.

### Is SPILO think（スピロ・シンク） free?

SPILO think（スピロ・シンク） is free to download, with no in-app purchases.

### Do ぐんぐんきおく or SPILO think（スピロ・シンク） have ads?

Neither ぐんぐんきおく nor SPILO think（スピロ・シンク） shows ads.

### Which is updated more often, ぐんぐんきおく or SPILO think（スピロ・シンク）?

ぐんぐんきおく ships an update every 43 months, and SPILO think（スピロ・シンク） every 5 days. Most recently, ぐんぐんきおく was updated on October 8, 2026 and SPILO think（スピロ・シンク） on October 20, 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.*