# WhatDiff vs Data Manager Classic

The clearest difference is in-app purchases: Data Manager Classic at none against WhatDiff's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WhatDiff sells 3 in-app purchases, starting at $2.99 per month. Data Manager Classic asks for nothing beyond the download.

WhatDiff ships an update every 5 months, Data Manager Classic every 2 months. The most recent releases landed on September 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | WhatDiff | Data Manager Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/data-manager-classic/id6767839103/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 2 MB | 7 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [栋 陈](https://appshunter.io/developer/560090281) | [Andreas Grauf](https://appshunter.io/developer/1878952443) |

## What reviewers say

### WhatDiff

[App page](https://appshunter.io/ios/app/whatdiff/id6762343310)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhatDiff Month Subscription | $2.99 | per month |
| WhatDiff Annual Subscription | $12.99 | per year |
| WhatDiff Lifetime License | $24.99 | one-time |


### Data Manager Classic

[App page](https://appshunter.io/ios/app/data-manager-classic/id6767839103)

Organize any personal data with a customizable database manager. Define your own tables, fields, and relationships to track anything from recipes to expenses. All data remains on your device with optional encryption.

**Highlights:** Customizable tables and fields, Relational data references, Sort, group, and filter data, CSV import/export, Password protection and encryption, Image attachments, Offline data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is WhatDiff free?

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

### Is Data Manager Classic free?

Data Manager Classic is free to download, with no in-app purchases.

### Do WhatDiff or Data Manager Classic have ads?

Neither WhatDiff nor Data Manager Classic shows ads.

### Which is updated more often, WhatDiff or Data Manager Classic?

WhatDiff ships an update every 5 months, and Data Manager Classic every 2 months. Most recently, WhatDiff was updated on September 24, 2026 and Data Manager Classic on October 11, 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.*