# Unlock by Locksmith vs HerFlow

The clearest difference is update cadence: HerFlow at every 4 days against Unlock by Locksmith's every 6 weeks. Unlock by Locksmith's advantage is iOS requirement (15.0 vs 17.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Unlock by Locksmith sells 4 in-app purchases, starting at $19.99 per month and HerFlow sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Unlock by Locksmith ships an update every 6 weeks, HerFlow every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Unlock by Locksmith | HerFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/herflow-period-tracker/id6756548479/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 140 MB | 7 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Global Fitness Holdings Ltd](https://appshunter.io/developer/1490993741) | [Stefan Dasic](https://appshunter.io/developer/1861310477) |

## What reviewers say

### Unlock by Locksmith

[App page](https://appshunter.io/ios/app/unlock-by-locksmith/id1600052074)

Access a variety of workouts designed to improve strength and fitness. Train with celebrity trainers and unlock your potential with personalized challenges. Choose a subscription plan with a free trial to begin your fitness journey.

**Highlights:** Variety of workouts, Celebrity trainer access, Personalized challenges, Subscription plans, Free trial periods, Auto-renewal options

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $19.99 | per month |
| Quarterly Subscription | $49.99 | per 3 months |
| Bi-annual Subscription | $99.99 | per 6 months |
| Annual Subscription | $119.99 | per year |


### HerFlow

[App page](https://appshunter.io/ios/app/herflow-period-tracker/id6756548479)

Track your menstrual cycle and share insights with loved ones. Offers personalized tips and educational content to foster understanding and connection between partners, friends, and family.

**Highlights:** Intuitive cycle calendar, Period and fertile window prediction, Mood and symptom logging, Phase-specific insights, Shared tracking with partners, Supportive tips for loved ones, Cycle education

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| People Monthly | $0.99 | per month |
| People Yearly | $9.99 | per year |


## Frequently asked questions

### Is Unlock by Locksmith free?

Unlock by Locksmith is free to download, with in-app purchases available.

### Is HerFlow free?

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

### Do Unlock by Locksmith or HerFlow have ads?

Neither Unlock by Locksmith nor HerFlow shows ads.

### Which is updated more often, Unlock by Locksmith or HerFlow?

Unlock by Locksmith ships an update every 6 weeks, and HerFlow every 4 days. Most recently, Unlock by Locksmith was updated on November 3, 2026 and HerFlow on November 5, 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.*