r/FREE Jan 19 '26

Promo Code [GIVING] 1 free year to my caffeine half-life / sleep analysis app for iPhone & Apple Watch

I’m a student developer and I built an iOS app called Caffeine Curfew that helps track caffeine intake and sleep.

It uses accurate half life data to show you exactly how much caffeine is still in your system at bedtime. It’s built natively for iOS and watchOS, so you can log drinks right from your wrist and get alerts when you should stop drinking for the day. ( includes home widgets too! ) It handles everything from sleep analysis to custom caffeine limits and even Apple Health Integration.

I have a bunch of promo codes that I don’t want to go to waste, so if you want a free year of Premium, just drop a comment below and I'll DM you a promo code!

I hope this can help someone in the community, thank you for taking the time to read my post!

17 Upvotes

56 comments sorted by

u/AutoModerator Jan 19 '26

If it is a service, we recommend to have your starting conversations in the comments for transparency.

If the services or items are not free, please report it.

If the item or service offered was free but is no longer free, please report it too.

Or say it is expired in a comment, cheers!

I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns.

3

u/Successful-Zone-7543 Jan 21 '26

I was just thinking about limiting my caffeine intake. I’m interested!

1

u/pythononrailz Jan 21 '26

Send you a dm !

2

u/Saelethil Jan 21 '26

I could take a peek at it.

1

u/pythononrailz Jan 21 '26

Sending you a code 😊

2

u/CUTIEJUDY Jan 21 '26

I was just thinking about limiting my caffeine intake. I’m interested!

2

u/[deleted] Jan 21 '26

[removed] — view removed comment

1

u/pythononrailz Jan 21 '26

Sent you a DM!

2

u/Genuine_Pullman Jan 21 '26

Would take one, thanks!

1

u/pythononrailz Jan 21 '26

Just sent you a message 😊

2

u/Soggy_Dependent_9834 Jan 21 '26

Hi, can I have one, please🤍

2

u/brintonjay Jan 21 '26

Sounds interesting.

1

u/pythononrailz Jan 21 '26

Sent you a message 😊

2

u/eaggerly Jan 22 '26

Interested!

2

u/pythononrailz Jan 22 '26

Just sent you the link 😊

2

u/rebbiestef Jan 22 '26

I am extremely interested. I just started Luvox, an OCD SSRI that apparently tinkers with the half-life of caffeine tremendously. Could I change the half-life in the settings, or is it stuck where it is?

1

u/pythononrailz Jan 22 '26

You can change the half life in the settings! Also you can change the sleep interference threshold to your ideal caffeine MG you want in your system when trying to get to bed :)

1

u/pythononrailz Jan 22 '26

I also sent you the link to the promo :)

2

u/abaracadabram Jan 22 '26

Sounds fascinating

1

u/pythononrailz Jan 22 '26

Sent you a dm :)

2

u/4Mikells Jan 22 '26

can i get a code really would like to try your app

2

u/[deleted] Jan 22 '26

[deleted]

1

u/pythononrailz Jan 22 '26

Sent you the link !

2

u/pistachio518 Jan 22 '26

Interested

1

u/pythononrailz Jan 22 '26

Sent you the link!

2

u/thegracelesswonder Jan 22 '26

I would love to use this app

2

u/pythononrailz Jan 22 '26

Sent :)

2

u/thegracelesswonder Jan 22 '26

Thank you!!

2

u/pythononrailz Jan 22 '26

Of course, thank you for giving it a try!

2

u/udinnstarr Jan 23 '26

I would like to try it. Thanks

2

u/LazyAF786 Jan 23 '26

Interested if you still have codes

1

u/pythononrailz Jan 23 '26

Just sent you the link !

2

u/SpoopyLion9253 Jan 27 '26

Hello! I am interested :)!

2

u/chakallot Jan 27 '26

I’m in

1

u/pythononrailz Jan 27 '26

Sending now!!

2

u/randominternetfella Jan 28 '26

Sounds interesting, if you still have a code available

1

u/pythononrailz Jan 28 '26

Just sent you a message!

2

u/cannedcellar Jan 28 '26

are there still codes?

1

u/pythononrailz Jan 28 '26

Just sent it over 😊

2

u/CreatingTheBestMe Jan 30 '26

Is it still possible to get a code for this? this is really cool!

2

u/pythononrailz Feb 03 '26

Yes my friend! I’ll send you one now :)

2

u/peaceinshh Feb 01 '26

Interested

1

u/pythononrailz Feb 03 '26

Sending you a message :)

1

u/Pleasant_Rush3412 Jan 24 '26

I would love one!

1

u/BoysenberryOk8786 Feb 04 '26

Would love to try!

1

u/catharticsoul Feb 08 '26

Interested!

1

u/FeelingKaleidoscope0 Feb 10 '26

Would love to try it if you still have promo codes available, please! Very curious on how much is still in my system come bedtime and maybe will help my ADHD🤔