# MarkBuy vs Extremtag

The clearest difference is in-app purchases: Extremtag at none against MarkBuy's 4. Extremtag also leads on iOS requirement (15 vs 17.0). MarkBuy's advantage is update cadence (fortnightly vs monthly). On price, ads and device support there is nothing between them.

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

MarkBuy ships an update fortnightly, Extremtag monthly. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MarkBuy | Extremtag |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 169 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [舟 徐](https://appshunter.io/developer/1642105940) | [J2 Technology Limited](https://appshunter.io/developer/1865075570) |

## What reviewers say

### 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 |


### Extremtag

[App page](https://appshunter.io/ios/app/extremtag/id6757174627)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MarkBuy free?

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

### Is Extremtag free?

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

### Do MarkBuy or Extremtag have ads?

Neither MarkBuy nor Extremtag shows ads.

### Which is updated more often, MarkBuy or Extremtag?

MarkBuy ships an update fortnightly, and Extremtag monthly. Most recently, MarkBuy was updated on October 20, 2026 and Extremtag on October 17, 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.*