# Fnopt Authenticator vs MarkBuy

The clearest difference is in-app purchases: Fnopt Authenticator at none against MarkBuy's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MarkBuy sells 4 in-app purchases, starting at $1.99 per month. Fnopt Authenticator asks for nothing beyond the download.

## The numbers

| Metric | Fnopt Authenticator | MarkBuy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/markbuy/id6745769884/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 51 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Subaio Limited](https://appshunter.io/developer/1687419675) | [舟 徐](https://appshunter.io/developer/1642105940) |

## What reviewers say

### Fnopt Authenticator

[App page](https://appshunter.io/ios/app/fnopt-authenticator/id6744995705)

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

**In-app purchases:** none


### MarkBuy

[App page](https://appshunter.io/ios/app/markbuy/id6745769884)

Easily track, analyze, and manage all your digital subscriptions in one secure place. Get a clear overview of your spending, receive timely renewal reminders, and gain insights into your financial habits with customizable settings and multi-currency support.

**Highlights:** Comprehensive subscription management, Spending overview and analytics, Calendar renewal reminders, Biometric data protection, Multi-currency support, iCloud sync across devices, Smart app store lookup

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Quarterly Subscription | $3.99 | per 3 months |
| Annual Subscription | $6.99 | per year |
| MarkBuy 高级功能 | $6.99 | one-time |


## Frequently asked questions

### Is Fnopt Authenticator free?

Fnopt Authenticator is free to download, with no in-app purchases.

### Is MarkBuy free?

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

### Do Fnopt Authenticator or MarkBuy have ads?

Neither Fnopt Authenticator nor MarkBuy shows ads.

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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.*