# OneLine vs Monoline

The clearest difference is ads: Monoline at none against OneLine's shown. Monoline also leads on update cadence (every 4 days vs every 3 weeks). OneLine's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. OneLine sells 2 in-app purchases, starting at $0.99 per month and Monoline sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

OneLine ships an update every 3 weeks, Monoline every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OneLine | Monoline |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Doublew](https://appshunter.io/developer/1804300678) | [Plien (KR)](https://appshunter.io/developer/1593228528) |

## What reviewers say

### OneLine

[App page](https://appshunter.io/ios/app/oneline-expense-tracker/id6746687919)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium | $34.99 | one-time |


### Monoline

[App page](https://appshunter.io/ios/app/monoline-ai-expense-tracker/id6776655350)

Effortlessly track expenses with AI-powered automatic recording from card messages and Apple Pay. Simply write a line in natural language, and it intelligently categorizes your spending. Offers detailed reports and insights into your financial habits.

**Highlights:** AI automatic recording from card messages and Apple Pay, Natural language input for expense categorization, AI chat for spending analysis and insights, Monthly spending reports with personalized advice, Receipt scanning for item and amount recognition, Multi-currency support with automatic conversion, Separate ledgers for different purposes

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monoline Plus | $1.99 | per month |
| Monoline Plus Yearly | $12.99 | per year |


## Frequently asked questions

### Is OneLine free?

OneLine is free to download, with in-app purchases available.

### Is Monoline free?

Monoline is free to download, with in-app purchases available.

### Do OneLine or Monoline have ads?

OneLine shows ads; Monoline does not.

### Which is updated more often, OneLine or Monoline?

OneLine ships an update every 3 weeks, and Monoline every 4 days. Most recently, OneLine was updated on October 24, 2026 and Monoline on October 25, 2026.

---

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