# InstantCert CLEP vs Surface to Soul

The clearest difference is in-app purchases: Surface to Soul at none against InstantCert CLEP's 1. Surface to Soul also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (13.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. InstantCert CLEP sells 1 in-app purchase, starting at $19.99 per month. Surface to Soul asks for nothing beyond the download.

InstantCert CLEP ships an update every 6 months, Surface to Soul every 3 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | InstantCert CLEP | Surface to Soul |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/instantcert-clep/id1238759723/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Subscription | — |
| Size | 38 MB | 46 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InstantCert.com, LLC](https://appshunter.io/developer/465309084) | [Vibrant Faith Ministries](https://appshunter.io/developer/410228567) |

## What reviewers say

### InstantCert CLEP

[App page](https://appshunter.io/ios/app/instantcert-clep/id1238759723)

Prepare for college credit exams like CLEP and DSST with smart flashcards and progress tracking. Study over 60 subjects on your phone and connect with a community of learners. Earn college credit faster and save on tuition.

**Highlights:** Smart flashcards for memorization, Covers CLEP, DSST & TECEP subjects, Mobile study anywhere, Progress tracking, Community support, Over 60 exam subjects

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (1 Month) | $19.99 | per month |


### Surface to Soul

[App page](https://appshunter.io/ios/app/surface-to-soul/id1552921695)

**In-app purchases:** none


## Frequently asked questions

### Is InstantCert CLEP free?

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

### Is Surface to Soul free?

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

### Do InstantCert CLEP or Surface to Soul have ads?

Neither InstantCert CLEP nor Surface to Soul shows ads.

### Which is updated more often, InstantCert CLEP or Surface to Soul?

InstantCert CLEP ships an update every 6 months, and Surface to Soul every 3 months. Most recently, InstantCert CLEP was updated on November 2, 2026 and Surface to Soul 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.*