# Bloom vs Winterlock

The clearest difference is in-app purchases: Winterlock at none against Bloom's 2. Bloom's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Bloom sells 2 in-app purchases, starting at $4.99 per month. Winterlock asks for nothing beyond the download.

Bloom ships an update every 4 days, Winterlock every 3 days. The most recent releases landed on August 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Bloom | Winterlock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 78 MB | 35 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Prateek Rai](https://appshunter.io/developer/1844000976) | [GCL Tech](https://appshunter.io/developer/1784049183) |

## What reviewers say

### Bloom

[App page](https://appshunter.io/ios/app/bloom-75-day-challenge/id6797767118)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bloom+ | $4.99 | per month |
| Challenge Pass | $6.99 | one-time |


### Winterlock

[App page](https://appshunter.io/ios/app/winterlock-winter-arc-tracker/id6807602638)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bloom free?

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

### Is Winterlock free?

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

### Do Bloom or Winterlock have ads?

Winterlock shows ads; Bloom does not.

### Which is updated more often, Bloom or Winterlock?

Bloom ships an update every 4 days, and Winterlock every 3 days. Most recently, Bloom was updated on August 24, 2026 and Winterlock on September 20, 2026.

---

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