# LumiSource vs Estudylog

The clearest difference is in-app purchases: LumiSource at none against Estudylog's 2. LumiSource also leads on rating (4.8 vs 4.5) and review sentiment (93% vs 78%). Estudylog's advantage is update cadence (every 3 days vs every 3 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Estudylog sells 2 in-app purchases, starting at $3.99 per month. LumiSource asks for nothing beyond the download.

LumiSource holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 91 and 54 respectively. Written reviews point the same way: 93% of LumiSource's written reviews are positive against 78% of Estudylog's.

LumiSource ships an update every 3 months, Estudylog every 3 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | LumiSource | Estudylog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (91 ratings)](https://appshunter.io/ios/app/lumisource-exam-prep/id6746340356/reviews)** | [4.5 (54 ratings)](https://appshunter.io/ios/app/estudylog-study-tracker/id6751782944/reviews) |
| Number of ratings | **91** | 54 |
| Positive reviews | **93.3% of reviews** | 78.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 81 MB | 74 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CaseHippo Inc](https://appshunter.io/developer/1551575873) | [Estudylog inc.](https://appshunter.io/developer/1836623082) |

## What reviewers say

### LumiSource

[App page](https://appshunter.io/ios/app/lumisource-exam-prep/id6746340356)

Prepare for AP exams with condensed study guides and realistic practice tests. This app offers mobile-optimized content for efficient review anytime, anywhere. It currently supports over 10 AP subjects.

**Highlights:** Condensed study guides, Realistic practice tests, Detailed answer breakdowns, Mobile-optimized for on-the-go study, Supports over 10 AP subjects

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

**In-app purchases:** none


### Estudylog

[App page](https://appshunter.io/ios/app/estudylog-study-tracker/id6751782944)

Organize your academic life with a study tracker and timer. Log sessions, monitor progress, and calculate grade targets to study more effectively. Gain insights into your focus patterns and ensure comprehensive topic coverage.

**Highlights:** Course organization with goal dates, Study timer with session notes and ratings, Focus pattern insights, Grade calculator for target scores, Topic coverage tracking, Consistency visualization

**Features:** Apple Wallet, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EstudyLog Plus-Monthly | $3.99 | per month |
| Estudylog Plus-Annual | $24.99 | per year |


## Frequently asked questions

### Is LumiSource free?

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

### Is Estudylog free?

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

### Which has better reviews, LumiSource or Estudylog?

LumiSource is rated higher. LumiSource averages 4.8 out of 5 from 91 ratings, while Estudylog averages 4.5 from 54 ratings.

### Do LumiSource or Estudylog have ads?

Neither LumiSource nor Estudylog shows ads.

### Which is updated more often, LumiSource or Estudylog?

LumiSource ships an update every 3 months, and Estudylog every 3 days. Most recently, LumiSource was updated on October 16, 2026 and Estudylog on October 14, 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.*