# Jello Blocks vs HiddenForm

The clearest difference is in-app purchases: Jello Blocks at none against HiddenForm's 1. Jello Blocks also leads on ads (none vs shown) and iOS requirement (15.0 vs 26.0). HiddenForm's advantage is update cadence (every 4 days vs every 9 months). On price and device support there is nothing between them.

Both are free to download. HiddenForm sells 1 one-off in-app purchase. Jello Blocks asks for nothing beyond the download.

Jello Blocks ships an update every 9 months, HiddenForm every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Jello Blocks | HiddenForm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/hiddenform/id6809650487/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 233 MB | 95 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ali Said Yuksel](https://appshunter.io/developer/1481717311) | [Kyndlo LLC](https://appshunter.io/developer/1878300995) |

## What reviewers say

### Jello Blocks

[App page](https://appshunter.io/ios/app/jello-blocks/id6744594746)

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

**In-app purchases:** none


### HiddenForm

[App page](https://appshunter.io/ios/app/hiddenform/id6809650487)

Engage with artful wooden jigsaw puzzles featuring richly illustrated silhouettes. Discover hidden details and assemble unique pieces on a spacious landscape table. Enjoy tactile connections and satisfying reveals with progress saved on your device.

**Highlights:** Silhouette jigsaw puzzles, 3D sculpted wood/plexiglass pieces, Tactile connection sounds, Spacious landscape assembly table, Hidden animals and botanical shapes, Progress saving

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads | $6.99 | one-time |


## Frequently asked questions

### Is Jello Blocks free?

Jello Blocks is free to download, with no in-app purchases.

### Is HiddenForm free?

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

### Do Jello Blocks or HiddenForm have ads?

HiddenForm shows ads; Jello Blocks does not.

### Which is updated more often, Jello Blocks or HiddenForm?

Jello Blocks ships an update every 9 months, and HiddenForm every 4 days. Most recently, Jello Blocks was updated on October 30, 2026 and HiddenForm 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.*