# MnM KnowledgeStore vs SellZone

The clearest difference is in-app purchases: MnM KnowledgeStore at none against SellZone's 3. MnM KnowledgeStore also leads on update cadence (fortnightly vs every 19 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SellZone sells 3 one-off in-app purchases. MnM KnowledgeStore asks for nothing beyond the download.

MnM KnowledgeStore ships an update fortnightly, SellZone every 19 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MnM KnowledgeStore | SellZone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 19 months |
| Size | 27 MB | 63 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MarketsandMarkets](https://appshunter.io/developer/1591653434) | [MD Masud Rana](https://appshunter.io/developer/1719050019) |

## What reviewers say

### MnM KnowledgeStore

[App page](https://appshunter.io/ios/app/mnm-knowledgestore/id1591653432)

**Features:** macOS Compatibility

**In-app purchases:** none


### SellZone

[App page](https://appshunter.io/ios/app/sellzone/id6737626755)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $0.29 | one-time |
| Basic | $12.99 | one-time |
| Enterprise | $24.99 | one-time |


## Frequently asked questions

### Is MnM KnowledgeStore free?

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

### Is SellZone free?

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

### Do MnM KnowledgeStore or SellZone have ads?

Neither MnM KnowledgeStore nor SellZone shows ads.

### Which is updated more often, MnM KnowledgeStore or SellZone?

MnM KnowledgeStore ships an update fortnightly, and SellZone every 19 months. Most recently, MnM KnowledgeStore was updated on October 30, 2026 and SellZone on October 25, 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.*