# Rootflux vs Needle in a haystack

The clearest difference is update cadence: Rootflux at every 3 days against Needle in a haystack's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rootflux sells 3 one-off in-app purchases and Needle in a haystack sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Rootflux ships an update every 3 days, Needle in a haystack every 6 days. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Rootflux | Needle in a haystack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (78 ratings)](https://appshunter.io/ios/app/rootflux-idle-game/id6776658493/reviews)** | — |
| Number of ratings | **78** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 165 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Idle System, Inc.](https://appshunter.io/developer/1727483319) | [Synthify Inc](https://appshunter.io/developer/1089257745) |

## What reviewers say

### Rootflux

[App page](https://appshunter.io/ios/app/rootflux-idle-game/id6776658493)

An idle game focused on subterranean exploration and growth. Players expand a root network, gather resources, and break through underground layers to build a deeper living system. Features include idle growth, network expansion, and long-term progression systems.

**Highlights:** Idle nutrient growth, Expanding root network, Transport and absorption upgrades, Breakthrough strata, Seedfall and automation systems

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Pass | $2.99 | one-time |
| Dandelion | $4.99 | one-time |
| Spider | $4.99 | one-time |


### Needle in a haystack

[App page](https://appshunter.io/ios/app/needle-in-a-haystack/id6804802643)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $3.99 | one-time |
| Magnet | $9.99 | one-time |


## Frequently asked questions

### Is Rootflux free?

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

### Is Needle in a haystack free?

Needle in a haystack is free to download, with in-app purchases available.

### Do Rootflux or Needle in a haystack have ads?

Both Rootflux and Needle in a haystack show ads.

### Which is updated more often, Rootflux or Needle in a haystack?

Rootflux ships an update every 3 days, and Needle in a haystack every 6 days. Most recently, Rootflux was updated on October 21, 2026 and Needle in a haystack on October 12, 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.*