# HiddenForm vs Jigsaw Underground

The clearest difference is iOS requirement: Jigsaw Underground at 18.0 against HiddenForm's 26.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. HiddenForm sells 1 one-off in-app purchase and Jigsaw Underground sells 12 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for HiddenForm against 5.0 for Jigsaw Underground. Both are backed by a comparable volume of ratings — 8 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

HiddenForm ships an update every 4 days, Jigsaw Underground every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | HiddenForm | Jigsaw Underground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/hiddenform/id6809650487/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/jigsaw-underground-puzzles/id6818240659/reviews) |
| Number of ratings | 8 | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 138 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyndlo LLC](https://appshunter.io/developer/1878300995) | [Underground Games](https://appshunter.io/developer/6818240661) |

## What reviewers say

### 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 |


### Jigsaw Underground

[App page](https://appshunter.io/ios/app/jigsaw-underground-puzzles/id6818240659)

Collaborate on jigsaw puzzles with friends in real-time, even if they don't have the app. Enjoy a daily puzzle, create custom puzzles from your own photos, and play at your own pace.

**Highlights:** Real-time multiplayer co-op puzzles, App Clip for friends without the app, Daily new puzzles, Create custom puzzles from photos, Local multiplayer on iPad/iPhone Duo, Calm and intuitive gameplay

**Features:** macOS Compatibility, Family Sharing, iMessage stickers, Vision Pro support, SharePlay, iPhone Duo support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $3.99 | per month |
| West Virginia | $0.99 | one-time |
| The Deep South | $0.99 | one-time |
| The Great Plains | $0.99 | one-time |
| Washington | $0.99 | one-time |
| Wisconsin | $0.99 | one-time |
| Indigenous Art | $0.99 | one-time |
| BC Ferries | $0.99 | one-time |
| Patterns | $0.99 | one-time |
| Jewels, Landmarks & Americana | $0.99 | one-time |
| Utah | $2.99 | one-time |
| Lifetime Membership | $19.99 | one-time |


## Frequently asked questions

### Is HiddenForm free?

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

### Is Jigsaw Underground free?

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

### Which has better reviews, HiddenForm or Jigsaw Underground?

HiddenForm and Jigsaw Underground are both rated 5.0 out of 5 on the App Store, from 8 and 8 ratings respectively.

### Do HiddenForm or Jigsaw Underground have ads?

Both HiddenForm and Jigsaw Underground show ads.

### Which is updated more often, HiddenForm or Jigsaw Underground?

HiddenForm ships an update every 4 days, and Jigsaw Underground every 3 days. Most recently, HiddenForm was updated on October 31, 2026 and Jigsaw Underground on October 31, 2026.

---

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