# ePrescience vs Variance

The clearest difference is update cadence: ePrescience at every 2 days against Variance's every 2 weeks. ePrescience also leads on iOS requirement (17.0 vs 26.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. ePrescience sells 2 in-app purchases, starting at $14.99 per month and Variance sells 2 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ePrescience against 5.0 for Variance. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ePrescience ships an update every 2 days, Variance every 2 weeks. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ePrescience | Variance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/eprescience/id6748284897/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Freemium | Freemium |
| Size | 66 MB | 18 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Rory Monaghan](https://appshunter.io/developer/1823159578) | [Benjamin Kawano](https://appshunter.io/developer/1885410913) |

## What reviewers say

### ePrescience

[App page](https://appshunter.io/ios/app/eprescience/id6748284897)

An AI-powered study companion that transforms notes into flashcards, generates audio summaries, and solves problems with step-by-step solutions. Chat with an AI tutor and focus with study soundscapes.

**Highlights:** AI-powered notes and flashcards, Audio summaries from notes, Step-by-step problem solver, AI tutor chat, Study soundscapes, Cross-device sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VerbaLearn Premium Monthly | $14.99 | per month |
| ePrescience Premium Annual | $149.99 | per year |


### Variance

[App page](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839)

Prepare for quantitative finance interviews with this app. Practice probability, mental math, logic puzzles, and more with detailed solutions and progress tracking. Sharpen your mathematical intuition and problem-solving skills for trading and research roles.

**Highlights:** Probability practice, Mental math exercises, Logic puzzles, Detailed solutions, Progress tracking, Topic-specific practice

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Variance Pro Monthly | $24.99 | per month |
| Variance Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is ePrescience free?

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

### Is Variance free?

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

### Which has better reviews, ePrescience or Variance?

ePrescience and Variance are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do ePrescience or Variance have ads?

Neither ePrescience nor Variance shows ads.

### Which is updated more often, ePrescience or Variance?

ePrescience ships an update every 2 days, and Variance every 2 weeks. Most recently, ePrescience was updated on September 22, 2026 and Variance on September 30, 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.*