# 90 Day Challenge : Day by Day — Tally Habit • Days Since

> Track multi-day challenges with daily check-ins, totals, photos, and journal entries. (iPhone/iPad app by treebetty LLC.)

- Source: https://appshunter.io/ios/app/90-day-challenge-day-by-day/id6739090100 (this page in markdown: same URL + `.md`)
- Developer: [treebetty LLC](https://appshunter.io/developer/1508918351)
- Category: Lifestyle, Productivity
- Price: Free with in-app purchases
- Rating: 4.70/5 from 29 App Store ratings · 8 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.5 · 36 MB
- Languages: American English
- Released: 2024-12-18
- Data updated: 2026-09-08
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/90-day-challenge-day-by-day/id6739090100/reviews.md

## What is 90 Day Challenge?

Day by Day helps you create and track Multi-Day Challenges. 

Create 90-Day, 30-Day, 21-Day, 7-Day, Any-Day challenges.

Why do a Multi-Day Challenges?
- They help you develop discipline and consistency.
- They’re a finite length of time giving you a mental end goal.
- The daily repetition is habit forming.
- Challenges often gets easier as you progress.
- Challenges can help you get closer to a bigger goal.


Day by Day lets you track 4 things with each Challenge. 
Track with one or track with all:

1. Daily Check-In: Just tap the day  if you did it.
2. Daily Total: Enter reps, weights, personal records, words, sales, money, anything after every check-in.
3. Progress Pictures: Upload a photo after every check-in.
4. Journal Entries: Enter your thoughts or notes after every check-in


Day by Day Features:-------------

- Multi-Day Challenges of ANY length
- Adjust a Challenge as you go. Add days. Remove days. Adjust in a way that works best for you.
- Daily Check-ins
- Daily Totals
- Daily Progress Pictures
- Daily Journal Entries
- Daily Reminder for each Challenge
- Easily share progress with friends, family, accountability partners
- Automatic iCloud Backup
- Sync across devices via iCloud
- No subscription required
- No login or account required
- Complete privacy. All data resides only on your device and in your iCloud account.


Day by Day Premium:-------------

- Unlimited Challenges
- Unlimited Check-Ins
- Unlimited Journal Entries
- Unlimited Daily Reminders
- Auto-Backup to iCloud
- Sync Across Devices
- No Subscription Required
- No Login or Account Required

## Key features

- Multi-Day Challenges of any length
- Daily check-ins
- Daily totals tracking
- Progress pictures
- Journal entries
- Daily reminders
- iCloud backup and sync

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Day by Day: Lifetime Premium | $7.99 | one-time |
| Day by Day: Lifetime Pro | $6.99 | one-time |


## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/90-day-challenge-day-by-day/id6739090100/reviews.md

### 5/5 — Love this app!

*2025-11-18*

Simple and easy, great for self accountability!

### 5/5 — Perfect

*2025-10-03*

Love this app! It’s perfect. I’ve been looking for one to track my 90-day challenges. This one is awesome.

### 1/5 — bad backend

*2025-02-15*

.

### 5/5 — Keeps me on track

*2025-01-05*

Good app to help get rid of old bad habits and make new good habits stick.

### 5/5 — Easy to use

*2024-12-28*

Great for tracking my daily reading goal.

### 5/5 — New Year’s Resolution

*2024-12-25*

Getting a head start on my New Year’s resolutions by downloading and committing to documenting my progress in this app! Clean and easy!

### 5/5 — Been needing this

*2024-12-19*

Have been looking for an app to help me keep track of a few different things/goals I’m working on, and I like the design, simplicity, and functionality of this one

### 5/5 — Easy and motivating to keep on going!

*2024-12-19*

I like the app a lot as it’s easy to use, keep all your challenges in one place and have reminders to do them on daily, weekly or whatever time you choose. I love the graphic, simple, clean and so beautiful! I purchased several apps from this developer and I was never disappointed!! 6 stars!

## Frequently asked questions about 90 Day Challenge

### What is the 90 Day Challenge app?

The 90 Day Challenge app helps you create and track multi-day challenges of any length. You can log daily check-ins, record totals, upload progress pictures, and write journal entries to build discipline and form habits.

### Does the 90 Day Challenge app have ads?

No, the 90 Day Challenge app does not contain advertisements. It is designed to be an ad-free experience for users focused on their challenges.

### How much does the 90 Day Challenge app cost?

The 90 Day Challenge app is free to download and use. There are optional in-app purchases for premium features, but no subscription is required.

### Can I adjust my challenges in the 90 Day Challenge app?

Yes, you can adjust your challenges as you go. The app allows you to add or remove days and make other adjustments to suit your needs.

### Does the 90 Day Challenge app sync data?

Yes, the 90 Day Challenge app automatically backs up your data to iCloud and syncs across your devices. This ensures your progress is saved and accessible wherever you are.

### Is my data private in the 90 Day Challenge app?

Yes, the 90 Day Challenge app prioritizes complete privacy. All your data resides only on your device and in your iCloud account, with no login or account required.

### What devices does the 90 Day Challenge app support?

The 90 Day Challenge app is currently supported on iPhones. It utilizes iCloud for backup and syncing across Apple devices.

### How often is the 90 Day Challenge app updated?

The 90 Day Challenge app was last updated on July 14, 2025, with version 1.2.1. This indicates regular updates to improve functionality and add features.

## Version history (last 4 releases)

### 1.2.1 — 2025-07-14

• Fixed bug where days were labeled incorrectly if you changed the 'First Day of Week' setting.

### 1.2 — 2025-04-09

Improved performance and a few bug fixes.

Thanks for giving Day by Day a try! If you are enjoying the app, please consider leaving a rating or a review. Either will go a long way in helping this one-person development team.

### 1.1 — 2025-01-19

• You can now share weekly and daily updates of a challenge with accountability partners, friends and family via text, email or social media. 
• New daily, weekly and calendar views of your challenges.
• Finished a challenge and want to do it again? You can now restart a completed challenge with a simple push of a button.

Loving Day by Day? If so, please consider leaving a rating or a review. It will go a long way in helping out this one-person development team.

### 1.0 — 2024-12-18

No release notes.

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All apps by treebetty LLC: https://appshunter.io/developer/1508918351

## Related topics

[90 day challenge](https://appshunter.io/ios/topics/90-day-challenge) · [90 day](https://appshunter.io/ios/topics/90-day) · [90 days challenge](https://appshunter.io/ios/topics/90-days-challenge) · [first 90 days](https://appshunter.io/ios/topics/first-90-days) · [90 days](https://appshunter.io/ios/topics/90-days) · [100 day challenge](https://appshunter.io/ios/topics/100-day-challenge)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-08.*