Comparison

Sundialbum vs Forerunner

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

Head to head
About

Sundialbum

Features
Read full description

Record a photo every day to connect ordinary daily life into a timeless chapter of light and shadow. The touching moments of photos, the vitality of live photos, and the laughter recorded in videos can all become exquisite covers for your diary. Write down a few lines of text about your unique mood, weather, or story of the day, and you can also sync it to Apple Health. By continuously recording a single theme (such as three meals a day, sky colors), perceiving subtle changes in repetition, regaining awareness of life, and building the bricks and tiles of your life museum. Apple's native interface for accessing photos protects privacy and security. [Timeline Cinema Mode] All photos are automatically archived to the corresponding date according to the shooting time, making your growth process more intuitive through the "Calendar View". The hidden "time capsule" allows you to unintentionally see the diary of the same month and day in the past in the future. The review function allows you to reunite with your past self and discover the beauty that was once overlooked. Record daily life and also keep accounts. The number type will automatically capture the operation symbols and numbers of the input content for real-time calculation. Results support long press one-click copy, sharing and checking is as fast as lightning! Expenses and benefits will be clear at a glance! Immersive sharing Pearl Card: Automatically exclude unfilled content and save daily records as art cards with text layout. Media types not only make diaries more colorful, but also serve as a platform for you to post Moments. It supports one-click sharing to major social platforms in the future. Synchronized Pitu marking Select the cover and the heart mark of the personal collection when you want to add pictures and videos in addition to displaying iOS photos. It will also prioritize displaying pictures and videos organized by "Pitu - Mark Gallery Organize". And it will display corresponding unique tags, allowing you to select more intuitively and efficiently. From the baby's first cry to the white-haired smile, every ordinary moment is meaningful because of recording. "- User @CATTEN狸猫 Easy as a note, yet with a movie-level healing feeling. "- User @偃歆歆歆 One picture every day, tears in my eyes when I look back after three years... I never knew I had so many shining daily lives. "- User @Mrmemr Download now and start writing your life script. Hope you like it, any questions and suggestions please contact: ohonhon@doulike.world User Licensing Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Forerunner

This app helps runners improve performance with VDOT analysis and condition management. Track progress, adjust training, and monitor fatigue to prevent injuries and run smarter. It offers customizable data analysis and home screen widgets for easy access to your running records.

Highlights
  • VDOT-based precision analysis
  • Customizable periodic analysis
  • Fatigue & condition monitoring
  • Home screen widgets
  • Full VoiceOver support
Features
Read full description

Running Tracker: Forerunner goes beyond simple run tracking, helping runners achieve sustainable growth through VDOT, sleep, hrv, training load analysis and systematic condition management. Track your records, adjust your training intensity, and manage your physical condition scientifically. [Key Features] Running Readiness Monitoring - Check your body's fatigue and condition alongside your daily run logs. Combine data with your physical intuition to prevent injuries and maintain optimal training levels. VDOT-Based Precision Analysis - Precisely measure your current condition and skill level based on VDOT, a scientific performance metric, and track real-time changes with every run. Customizable Periodic Analysis - Deeply analyze your running data by setting flexible periods such as weekly, monthly, or yearly. Various Widget Support - Conveniently check your monthly mileage or recent records right from your home screen without opening the app. Full Accessibility - With full VoiceOver support, every user can experience the app equally. Running Tracker: Forerunner is the ultimate tool for runners aiming for higher goals through data. From beginners to marathoners, we're here to make every day’s run smarter and healthier. --- Privacy Policy: https://selfovercoming.app/forerunner/privacy Terms of Service: https://selfovercoming.app/forerunner/terms

Screenshots

Sundialbum4 screens
Forerunner4 screens

Verdict

The call

The clearest difference is update cadence: Forerunner at every 3 days against Sundialbum's every 3 weeks. Sundialbum's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases 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. Sundialbum sells 3 in-app purchases, starting at $0.99 per month and Forerunner sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sundialbum ships an update every 3 weeks, Forerunner every 3 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Sundialbum versus Forerunner: the parameters behind the verdict, then further details
ParameterSundialbumForerunner
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS15.0 — better26.0
Further details — not scored
Size18 MB55 MB
Age rating4+12+
Developer虹 刘Forerunner

In-app purchases

3 purchases

Sundialbum

Subscriptions2
  • 按月订阅$0.991 Month
  • 按年订阅$6.991 Year
One-time1
  • 终身订阅$24.99
5 purchases

Forerunner

Subscriptions3
  • Weekly$4.997 Days
  • Monthly$9.991 Month
  • Yearly7 Days trial$29.991 Year
One-time2
  • Lifetime$49.99
  • Lifetime$99.99

Questions

Is Sundialbum free?
Sundialbum is free to download, with in-app purchases available.
Is Forerunner free?
Forerunner is free to download, with in-app purchases available.
Do Sundialbum or Forerunner have ads?
Neither Sundialbum nor Forerunner shows ads.
Which is updated more often, Sundialbum or Forerunner?
Sundialbum ships an update every 3 weeks, and Forerunner every 3 days. Most recently, Sundialbum was updated on October 28, 2026 and Forerunner on October 30, 2026.

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