# Kindergarten Humboldt vs RST Photo

Kindergarten Humboldt and RST Photo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kindergarten Humboldt ships an update every 6 weeks, RST Photo every 2 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Kindergarten Humboldt | RST Photo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 54 MB | 40 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asociación Institución Cultural Germano Costarricense](https://appshunter.io/developer/1476069134) | [The Reggio School of Tokyo](https://appshunter.io/developer/1764464490) |

## What reviewers say

### Kindergarten Humboldt

[App page](https://appshunter.io/ios/app/kindergarten-humboldt/id1329958891)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### RST Photo

[App page](https://appshunter.io/ios/app/rst-photo/id6657977458)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Kindergarten Humboldt free?

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

### Is RST Photo free?

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

### Do Kindergarten Humboldt or RST Photo have ads?

Neither Kindergarten Humboldt nor RST Photo shows ads.

### Which is updated more often, Kindergarten Humboldt or RST Photo?

Kindergarten Humboldt ships an update every 6 weeks, and RST Photo every 2 months. Most recently, Kindergarten Humboldt was updated on October 14, 2026 and RST Photo on October 16, 2026.

---

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