# LFO To Go vs CertPrep

The clearest difference is in-app purchases: LFO To Go at none against CertPrep's 10. LFO To Go also leads on iOS requirement (9.0 vs 17.0). CertPrep's advantage is update cadence (every 10 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. CertPrep sells 10 one-off in-app purchases. LFO To Go asks for nothing beyond the download.

LFO To Go ships an update every 5 months, CertPrep every 10 days. The most recent releases landed on September 16, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | LFO To Go | CertPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/lfo-to-go/id585745302/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 65 MB | 4 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [University of Oregon Digital Press](https://appshunter.io/developer/585745305) | [Waltsoft Inc](https://appshunter.io/developer/891505869) |

## What reviewers say

### LFO To Go

[App page](https://appshunter.io/ios/app/lfo-to-go/id585745302)

This app lets you manage your LinguaFolio Online account on the go. Upload photos, videos, audio, and text as evidence, and manage your language learning statements. It requires an existing student LinguaFolio Online account.

**Highlights:** Upload photo evidence, Upload video evidence, Record and upload audio evidence, Upload text evidence, View and edit Can-Do statements, Manage evidence, Select languages

**Features:** macOS Compatibility

**In-app purchases:** none


### CertPrep

[App page](https://appshunter.io/ios/app/certprep-certification-exams/id6759506639)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SC-100 Cybersecurity Arch Pro | $9.99 | one-time |
| SC-300 Identity & Access Pro | $9.99 | one-time |
| AWS DevOps Professional | $9.99 | one-time |
| AWS Security Specialty | $9.99 | one-time |
| AWS Solutions Architect Assoc | $9.99 | one-time |
| AWS Developer Associate | $9.99 | one-time |
| AWS GenAI Professional | $9.99 | one-time |
| AWS Adv Networking | $9.99 | one-time |
| AWS Cloud Practitioner | $9.99 | one-time |
| AWS Data Engineer | $9.99 | one-time |


## Frequently asked questions

### Is LFO To Go free?

LFO To Go is free to download, with no in-app purchases.

### Is CertPrep free?

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

### Do LFO To Go or CertPrep have ads?

Neither LFO To Go nor CertPrep shows ads.

### Which is updated more often, LFO To Go or CertPrep?

LFO To Go ships an update every 5 months, and CertPrep every 10 days. Most recently, LFO To Go was updated on September 16, 2026 and CertPrep on August 21, 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.*