Comparison

OneLife vs Project50

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

Head to head
About

OneLife

This app offers a private journaling experience with a vintage feel. It allows users to revisit past entries from the same date, creating a nostalgic journey. All data is stored locally on your device, with optional iCloud sync for safekeeping.

Highlights
  • Vintage diary experience
  • Daily past entry reviews
  • Local data storage
  • Optional iCloud sync
  • Add multiple photos
  • Customizable review times
Features
Read full description

OneLife Diary is a well-crafted vintage and private diary. Every day, it presents you with entries from the same date in the past week, month, or year, offering a nostalgic journey through time. Using OneLife Diary feels like opening a physical diary book. We've meticulously integrated elements that mimic the experience of a real diary, making journaling a delightful experience and adding a touch of warmth when revisiting your entries. Your privacy is our priority. All your diary data is stored on your device and never uploaded to any server. However, you can sync all data to your iCloud account for safekeeping. For those interested in our OneLife Plus membership, it offers: ◎ Unlimited access to all premium features including iCloud sync, launch to record, add more than 3 photos, new icons, and all review time options. ◎ Flexible subscription options: monthly or yearly. Charges will be applied to your iTunes account upon confirmation of payment. The automatic renewal extends your subscription for another billing cycle 24 hours before expiration. You can disable automatic renewal in your device's "Settings - Apple ID - Subscriptions" menu anytime. ◎ A one-time purchase option for a lifetime membership, including all future updates. Terms of Use: https://mindfm.notion.site/d54911ee9cf741b2b2b0e20f82e5652e Privacy Policy: https://mindfm.notion.site/265cda07fa7d4744b76ac905be829782

About

Project50

Features
Read full description

Project 50 - 50 天挑战,养成 7 个好习惯 想要变得更自律、更高效?Project 50 是一款帮助你在 50 天内养成 7 个关键习惯的挑战 App,让成长可视化,坚持更有动力! 核心功能 每日打卡 - 记录 7 个习惯的完成情况,让挑战不中断。 进度追踪 - 直观查看每日习惯完成情况,掌握整体打卡率与挑战进度。 数据统计 - 计算 50 天内的打卡率,助你建立长期习惯。 50 天的坚持,养成终身受益的习惯!立即开始你的 Project 50 挑战!

Screenshots

OneLife4 screens
Project503 screens

Verdict

The call

The clearest difference is in-app purchases: Project50 at none against OneLife's 4. Project50 also leads on update cadence (weekly vs every 3 weeks). OneLife's advantage is iOS requirement (17.0 vs 26.0). 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. OneLife sells 4 in-app purchases, starting at $0.99 per month. Project50 asks for nothing beyond the download.

UpkeepUpdate frequency

OneLife ships an update every 3 weeks, Project50 weekly. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
OneLife versus Project50: the parameters behind the verdict, then further details
ParameterOneLifeProject50
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews95.2% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size87 MB6 MB
Age rating4+4+
Developer炜东 黄TEKI HO

In-app purchases

4 purchases

OneLife

Subscriptions3
  • Monthly$0.991 Month
  • Yearly (Education)$7.991 Year
  • Yearly$9.991 Year
One-time1
  • Lifetime$19.99
None

Project50

No in-app purchases

Questions

Is OneLife free?
OneLife is free to download, with in-app purchases available.
Is Project50 free?
Project50 is free to download, with no in-app purchases.
Do OneLife or Project50 have ads?
Neither OneLife nor Project50 shows ads.
Which is updated more often, OneLife or Project50?
OneLife ships an update every 3 weeks, and Project50 weekly. Most recently, OneLife was updated on October 26, 2026 and Project50 on October 18, 2026.

Other comparisons