# CLEP Social Sciences Prep vs Differ

The clearest difference is price: Differ at Free against CLEP Social Sciences Prep's $0.99. Differ also leads on update cadence (every 4 weeks vs every 5 months) and iOS requirement (16.0 vs 18.0). CLEP Social Sciences Prep's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Differ is free to download; CLEP Social Sciences Prep costs $0.99 up front. Differ sells 4 in-app purchases, starting at $2.99 per month. CLEP Social Sciences Prep asks for nothing beyond the download.

CLEP Social Sciences Prep ships an update every 5 months, Differ every 4 weeks. The most recent releases landed on October 29, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | CLEP Social Sciences Prep | Differ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | — | Freemium |
| Size | 2 MB | 53 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Feraco media Inc.](https://appshunter.io/developer/497957884) | [Ryno Claassen](https://appshunter.io/developer/1529941079) |

## What reviewers say

### CLEP Social Sciences Prep

[App page](https://appshunter.io/ios/app/clep-social-sciences-prep/id955022560)

**Features:** macOS Compatibility

**In-app purchases:** none


### Differ

[App page](https://appshunter.io/ios/app/differ-worksheet-creator/id1534932488)

Create custom math worksheets for young learners in minutes. Select activities, adjust difficulty, and save or share as PDFs. Ideal for teachers and parents supporting Grade 1-3 students.

**Highlights:** Customizable worksheet creation, Grade 1-3 activities, Multiple language options, Adjustable difficulty and question count, Save and share as PDF, Handwriting practice elements

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month of Premium | $2.99 | per month |
| 3 Months of Premium | $7.99 | per 3 months |
| 6 Months of Premium | $15.49 | per 6 months |
| 1 Year of Premium | $28.49 | per year |


## Frequently asked questions

### Is CLEP Social Sciences Prep free?

CLEP Social Sciences Prep costs $0.99, with no in-app purchases.

### Is Differ free?

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

### Do CLEP Social Sciences Prep or Differ have ads?

Neither CLEP Social Sciences Prep nor Differ shows ads.

### Which is updated more often, CLEP Social Sciences Prep or Differ?

CLEP Social Sciences Prep ships an update every 5 months, and Differ every 4 weeks. Most recently, CLEP Social Sciences Prep was updated on October 29, 2026 and Differ on November 7, 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.*