Comparison

Unlock by Locksmith vs HerFlow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Unlock by Locksmith

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
Read full description

UNLOCK Welcome to my world of fitness. This is how I become stronger fitter & most importantly challenge myself from day to day. I’d like to welcome the trainers that help me stay at a high level of fitness all year round & now they are your trainers to help you challenge your self, step out your comfort zone & unlock your true potential, JUST LIKE ME! Unlock provides a variety of workouts to help you become stronger, fitter & most importantly challenge yourself from day to day. I’d like to welcome the trainers that help me stay at a high level of fitness all year round & now they are your trainers to help you challenge yourself, step out your comfort zone & unlock your true potential. Ready to work out & have access to a backstage pass with superstar musician Locksmith 1/4 of the multi platinum selling UK band Rudimental? Unlock provides a variety of workouts to help you become stronger, fitter & most importantly challenge yourself from day to day. Welcome to the team that help Locksmith stay at a high level of fitness all year round & now they are your trainers to help you challenge yourself, step out your comfort zone & unlock your true potential. To access all of the above, and start your journey to a NEW YOU all you need to do is choose a subscription that suits you! All my subscriptions come with an automatic free trial - so you can try the app for free. All subscriptions auto-renew and can be cancelled at any time - you're in control! Terms of use: https://unlockbylocksmith.com/gym/unlock/terms

About

HerFlow

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
Read full description

Free. No ads. No account. No tracking. Your cycle is personal. Your period app should respect that. Meet HerFlow: a private space to understand your body, feel more prepared and help the people you love support you. Start without signing up, keep your name to yourself and track your own cycle for free. MORE UNDERSTANDING. LESS GUESSWORK. Get to know the patterns behind your periods, moods and energy. See what may be coming, capture how you feel and make sense of your cycle, one day at a time. FEEL UNDERSTOOD BY THE PEOPLE YOU LOVE Your cycle can be easier to talk about when you don't have to explain everything from scratch. Share your random code with a partner, friend or family member so they can follow your cycle phase and find thoughtful ways to support you. Choose when to share a mood or note. Pause sharing or change your code whenever you want. SMALL DETAILS. EVERYDAY DIFFERENCE. • Feel more prepared with a period calendar, estimated ovulation and fertile days. • Get to know all five cycle phases with everyday self-care tips. • Make space for how you feel: log moods, symptoms, flow and personal notes. • Spot patterns in cycle length, period length and mood over time. • Stay on top of your routine with period, daily check-in, medication and contraception reminders. • Make HerFlow yours with eight themes and a Home Screen widget. • Save confirmed periods, flow and selected symptoms to Apple Health when you choose. PRIVATE, WITHOUT THE SIGN-UP No account or real name required. No ads, advertising tracking or usage analytics. Your name stays on your device. Sharing uses a random code: a small cycle summary is stored on our server when you set up your cycle, even before you share the code. You can turn sharing off. Moods and notes are uploaded only for days you choose to share. FREE FOR YOUR OWN CYCLE Personal cycle tracking is free, with no time limit. Following someone else's cycle is available through the optional People subscription, with a free 7-day trial requiring no payment, then monthly or yearly plans. Made by one independent developer. Available on iPhone and iPad, in 15 app languages. Get to know your cycle. Let your people get to know you better. Questions or ideas? support@herflowapp.com HerFlow is not a medical device or a form of birth control. Predictions are estimates. Terms of Use: https://herflowapp.com/terms.html Privacy Policy: https://herflowapp.com/privacy.html

Screenshots

Unlock by Locksmith4 screens
HerFlow4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Unlock by Locksmith versus HerFlow: the parameters behind the verdict, then further details
ParameterUnlock by LocksmithHerFlow
PriceFreeFree
Rating—4.8 (5 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size140 MB7 MB
Age rating4+12+
DeveloperGlobal Fitness Holdings LtdStefan Dasic

Customer experience

Unlock by Locksmith

Written reviews16 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

HerFlow

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Unlock by Locksmith

Subscriptions4
  • Monthly Subscription7 Days trial$19.991 Month
  • Quarterly Subscription7 Days trial$49.993 Months
  • Bi-annual Subscription14 Days trial$99.996 Months
Show 1 more
  • Annual Subscription14 Days trial$119.991 Year
2 purchases

HerFlow

Subscriptions2
  • People Monthly$0.991 Month
  • People Yearly$9.991 Year

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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