Comparison

SideProject vs OneCost

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

Head to head
About

SideProject

This app helps solopreneurs and creators track time and money spent on their side hustles. It calculates ROI, net income, and hourly value per project, offering insights through charts and comparisons to identify profitable ventures.

Highlights
  • Per-project time, spend, and income tracking
  • Boston Matrix for effort vs. payoff comparison
  • Visual charts for weekly, monthly, and yearly performance
  • Mood and health context for sustainable pace
  • Multi-currency support
  • iCloud sync across iPhone and iPad
Read full description

Which side project is actually worth your time? SideProject helps solopreneurs and creators log time and money per hustle, then see ROI, net income, and real hourly value—not one blended spreadsheet. WHY NOT A GENERIC TIME TRACKER • Per-project time, spend, and income—not one mixed bucket • Boston Matrix to compare effort vs payoff • Beautiful charts for week, month, and year • Mood + optional health context for sustainable pace • Multi-currency support • iCloud sync across iPhone and iPad BUILT FOR Solo founders, one-person businesses, indie apps, content channels, and any startup side project you run after your day job. PREMIUM • Deep insights and advanced views • Annual plan includes a 7-day free trial • Monthly and lifetime options available Start logging today. Double down on what pays—cut what only feels busy. Terms: https://www.johnnydaszhu.com/apps/sideproject/terms Privacy: https://www.johnnydaszhu.com/apps/sideproject/privacy

About

OneCost

This app simplifies expense tracking by using AI to understand natural language input. It automatically identifies amounts and dates, eliminating the need for manual categorization or complex budgeting. The focus is on making recording expenses as effortless as sending a message, encouraging long-term habit formation.

Highlights
  • AI-powered text and voice input
  • Automatic amount and date recognition
  • Image receipt scanning
  • Smart category suggestions
  • Monthly spending forecasts
  • Weekly/monthly/yearly spending views
  • Concise AI-driven financial insights
Features
Read full description

Track spending in one line. OneCost is a minimalist, AI-powered expense tracker. Just say or type what you spent, and AI figures out the amount, time and category. Or snap a receipt or payment screenshot and it extracts the total automatically. ■ Effortless entry · Text: type "lunch 28" to record it · Voice: say "taxi 35" and it's logged · Photo: snap a receipt or payment screenshot — AI reads the amount and merchant ■ Asset accounts · Manage cash, bank cards, credit cards, e-wallets and investments · Transfers and balance calibration; see your net worth anytime · Entries link to accounts automatically so money flow stays clear ■ Multi-currency · Support for USD, EUR, JPY, KRW, CNY and more · Automatic exchange rates; summaries convert to your base currency ■ Insights · AI analyzes your spending trends, timing and emotional patterns · Spending persona, anomaly alerts and impulse-spending hints ■ Widgets & Apple Watch · Home / Lock Screen / StandBy widgets for today's spending · Quick entry on Apple Watch ■ Privacy first · Your data stays on your device and in your iCloud; text/images are forwarded to a third-party AI service through our server only when you use AI recognition · No ad tracking, no personal data collection ■ And more · iCloud sync across devices · Import & export, trash, multiple ledgers Privacy Policy: https://plums-look-mpw.craft.me/dqFvtDnyTIAIfn Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SideProject4 screens
OneCost4 screens

Verdict

The call

SideProject and OneCost both sit at 5.0 stars, but that hides the real split: 100% of OneCost's written reviews are positive against 80% of SideProject's. SideProject's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (16 vs 18.0). On price, rating, ratings volume and ads 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. SideProject sells 3 in-app purchases, starting at $2.99 per month and OneCost sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SideProject against 5.0 for OneCost. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 80% of SideProject's written reviews are positive against 100% of OneCost's.

UpkeepUpdate frequency

SideProject ships an update every 3 days, OneCost every 10 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
SideProject versus OneCost: the parameters behind the verdict, then further details
ParameterSideProjectOneCost
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 3 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS16 — better18.0
Further details — not scored
Size11 MB13 MB
Age rating4+12+
DeveloperDongguan Tuesday Technology Co., Ltd.希 陈

Customer experience

SideProject

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

OneCost

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

SideProject

Subscriptions2
  • Monthly$2.991 Month
  • Yearly7 Days trial$19.991 Year
One-time1
  • Lifetime Access$99.99
4 purchases

OneCost

Subscriptions3
  • OneCost Pro 月度会员$0.991 Month
  • OneCost Pro 季度会员$1.993 Months
  • OneCost Pro 年度会员$4.991 Year
One-time1
  • OneCost Pro 终身会员$9.99

Questions

Is SideProject free?
SideProject is free to download, with in-app purchases available.
Is OneCost free?
OneCost is free to download, with in-app purchases available.
Which has better reviews, SideProject or OneCost?
SideProject and OneCost are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do SideProject or OneCost have ads?
Neither SideProject nor OneCost shows ads.
Which is updated more often, SideProject or OneCost?
SideProject ships an update every 3 days, and OneCost every 10 days. Most recently, SideProject was updated on October 24, 2026 and OneCost on October 20, 2026.

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