# SideProject vs OneCost

The clearest difference is update cadence: SideProject at every 3 days against OneCost's every 2 weeks. SideProject also leads on iOS requirement (16 vs 18.0). OneCost's advantage is review sentiment (100% vs 80%). On price, rating, ratings volume and ads there is nothing between them.

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.

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.

SideProject ships an update every 3 days, OneCost every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SideProject | OneCost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sideproject-side-hustle-roi/id6504465507/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/onecost-ai-expense-tracker/id6759001348/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Freemium | Freemium |
| Size | 11 MB | 15 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Dongguan Tuesday Technology Co., Ltd.](https://appshunter.io/developer/1681685673) | [希 陈](https://appshunter.io/developer/1353019342) |

## What reviewers say

### SideProject

[App page](https://appshunter.io/ios/app/sideproject-side-hustle-roi/id6504465507)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime Access | $99.99 | one-time |


### OneCost

[App page](https://appshunter.io/ios/app/onecost-ai-expense-tracker/id6759001348)

Effortlessly track expenses with AI. Log spending via text, voice, or receipt photos, and get automatic categorization and insights into your financial habits. Manage multiple accounts and currencies with privacy-focused, on-device data storage.

**Highlights:** AI-powered expense logging, Voice and text entry, Receipt and screenshot scanning, Asset account management, Multi-currency support, Spending trend analysis, On-device privacy

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneCost Pro 月度会员 | $0.99 | per month |
| OneCost Pro 季度会员 | $1.99 | per 3 months |
| OneCost Pro 年度会员 | $4.99 | per year |
| OneCost Pro 终身会员 | $9.99 | one-time |


## Frequently asked 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 2 weeks. Most recently, SideProject was updated on October 30, 2026 and OneCost on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*