# Digital SPK vs Angles

The clearest difference is in-app purchases: Digital SPK at none against Angles's 2. Digital SPK also leads on iOS requirement (12.0 vs 15.0). Angles's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Angles sells 2 in-app purchases, starting at $9.99 per month. Digital SPK asks for nothing beyond the download.

Digital SPK ships an update every 2 months, Angles every 3 weeks. The most recent releases landed on October 14, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Digital SPK | Angles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/angles-quick-book-summaries/id6503481512/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 35 MB | 6 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Domei Technology](https://appshunter.io/developer/1737903322) | [Farid Asadi](https://appshunter.io/developer/1748432415) |

## What reviewers say

### Digital SPK

[App page](https://appshunter.io/ios/app/digital-spk/id6502816394)

**In-app purchases:** none


### Angles

[App page](https://appshunter.io/ios/app/angles-quick-book-summaries/id6503481512)

Access a vast library of non-fiction book summaries across many categories. Get quick insights with flash summaries or dive deep with chapter-by-chapter analysis. Personalized AI recommendations enhance your learning journey.

**Highlights:** AI-powered personalized recommendations, Flash summaries for quick insights, Deep chapter-by-chapter analysis, 200+ non-fiction book summaries, Diverse category selection, User-friendly interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Angles Premium | $9.99 | per month |
| Angles Premium | $47.90 | per year |


## Frequently asked questions

### Is Digital SPK free?

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

### Is Angles free?

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

### Do Digital SPK or Angles have ads?

Neither Digital SPK nor Angles shows ads.

### Which is updated more often, Digital SPK or Angles?

Digital SPK ships an update every 2 months, and Angles every 3 weeks. Most recently, Digital SPK was updated on October 14, 2026 and Angles on September 16, 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.*