Comparison

fourf vs Promise

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

Head to head
About

fourf

Capture thoughts, memories, and routines effortlessly with this journaling app. Its chat-like interface and social features allow for shared memories and easy organization across devices. Build a consistent habit with reminders and customizable appearance.

Highlights
  • Chat-like journaling interface
  • Mention friends for shared memories
  • Single-tap routine tracking
  • Effortless organization and search
  • Multi-device compatibility
  • Customizable appearance
  • Journaling habit reminders
Features
Read full description

Experience effortless memory keeping with FFFF, a journaling app designed to transform your daily reflections into a smooth and interactive experience. Our intuitive interface allows you to effortlessly capture thoughts, memories, and routines, keeping your life organized and connected. Journaling Made Simple: • Start writing immediately with a chat-like screen, minimizing distractions and making it easy to capture every moment. Socially Connected Memories: • Mention friends and family in your entries to create shared memories. Notifications keep everyone in the loop, turning journaling into a collaborative activity. Routine Tracking: • Log your daily routines with a single tap, integrating them seamlessly into your journal entries. Effortless Organization: • Keep all your thoughts and memories in one place, free from distractions, and easily searchable. Multi-Device Compatibility: • Enjoy a seamless experience across your iPhone, iPad, and Mac, ensuring your journal is always within reach. Customizable Appearance: • Personalize the look and feel of your journal to match your style and preferences. Build a Consistent Journaling Habit: • Set a reminder and receive notifications to help you maintain a regular journaling practice. Download FFFF today and start your journey towards enriched memory keeping!

About

Promise

This app helps users build better habits and achieve goals through social accountability. Create or join challenges with friends, set commitments, and support each other's progress with features like wagers and group chat. Track your success visually and stay motivated together.

Highlights
  • Custom challenge creation
  • Promise-based wagers
  • Social accountability tracking
  • In-challenge group chat
  • Visual progress monitoring
  • Dark mode support
Features
Read full description

Promise helps you achieve your goals through the power of social accountability. Create or join challenges with friends, make commitments together, and support each other's progress. Whether you're trying to build healthy habits, save money, or learn something new, Promise makes it fun and engaging to stick to your commitments. Key Features: • Create Challenges: Design your own custom challenges, or use our templates to get started quickly • Promise-Based Wagers: Add friendly stakes to keep everyone motivated and accountable • Social Accountability: Join challenges with friends and track each other's progress • Group Chat: Communicate and encourage participants within each challenge • Progress Tracking: Monitor your success with a visual progress indicators and a leaderboard • Dark Mode: Full support for light and dark themes

Screenshots

fourf4 screens
Promise4 screens

Verdict

The call

The clearest difference is in-app purchases: fourf at none against Promise's 10. fourf also leads on update cadence (every 5 days vs fortnightly) and review sentiment (100% vs 86%). Promise's advantage is iOS requirement (15.1 vs 17.4). On price, ads and device support 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. Promise sells 10 in-app purchases, starting at $4.99 per month. fourf asks for nothing beyond the download.

UpkeepUpdate frequency

fourf ships an update every 5 days, Promise fortnightly. Both last shipped on October 30, 2026.

Scorecard5 real differences · 5 level
fourf versus Promise: the parameters behind the verdict, then further details
ParameterfourfPromise
PriceFreeFree
Rating—4.6 (11 ratings) — better
Positive reviews100.0% of reviews — better85.7% of reviews
Number of ratings—11 — better
Update frequencyEvery 5 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.415.1 — better
Further details — not scored
Size5 MB50 MB
Age rating17+4+
DeveloperSalih Bora OzturkArete Labs LLC

Customer experience

fourf

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Promise

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

In-app purchases

None

fourf

No in-app purchases

10 purchases

Promise

Subscriptions10
  • Promise Pro - Monthly1 Month trial$4.991 Month
  • Promise Pro - Monthly$4.991 Month
  • Promise Pro - Monthly7 Days trial$9.991 Month
Show 7 more
  • Promise Pro - Monthly14 Days trial$9.991 Month
  • Promise Pro - Yearly1 Year trial$29.991 Year
  • Promise Pro - Yearly$29.991 Year
  • Promise Pro - Yearly7 Days trial$39.991 Year
  • Promise Pro - Yearly14 Days trial$39.991 Year
  • Promise Pro - Yearly7 Days trial$59.991 Year
  • Promise Pro - Yearly14 Days trial$59.991 Year

Questions

Is fourf free?
fourf is free to download, with no in-app purchases.
Is Promise free?
Promise is free to download, with in-app purchases available.
Do fourf or Promise have ads?
Neither fourf nor Promise shows ads.
Which is updated more often, fourf or Promise?
fourf ships an update every 5 days, and Promise fortnightly. Most recently, fourf was updated on October 30, 2026 and Promise on October 30, 2026.

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