# Sumizeit vs Sinjalizo

The clearest difference is in-app purchases: Sinjalizo at none against Sumizeit's 19. Sumizeit's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sumizeit sells 19 in-app purchases, starting at $0.99 per year. Sinjalizo asks for nothing beyond the download.

Sumizeit ships an update every 3 days, Sinjalizo every 3 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sumizeit | Sinjalizo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (282 ratings)](https://appshunter.io/ios/app/sumizeit-daily-micro-learning/id1327646115/reviews)** | — |
| Number of ratings | **282** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 25 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scomy Inc](https://appshunter.io/developer/678648751) | [SIGMA TECHNOLOGY SEE L.L.C.](https://appshunter.io/developer/1108478199) |

## What reviewers say

### Sumizeit

[App page](https://appshunter.io/ios/app/sumizeit-daily-micro-learning/id1327646115)

Access concise summaries of non-fiction books in text, audio, infographic, podcast, and video formats. Learn key insights from experts in personal development, career, health, and more, in just minutes a day. Offers short audio courses for further learning.

**Highlights:** Text, audio, video book summaries, Infographic and podcast summaries, Short audio courses, Personal development topics, Career and success advice, Expert-curated content, Send summaries to Kindle

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumizeit Yearly Subscription | $0.99 | per year |
| Sumizeit Monthly Subscription | $0.99 | per month |
| SumizeitMonthly | $4.99 | per month |
| Sumizeit Monthly Subscription | $4.99 | per month |
| Sumizeit Monthtly Subscription | $5.99 | per month |
| Sumizeit Monthly | $6.99 | per month |
| Sumizeit Yearly Subscription | $7.99 | per year |
| Sumizeit Premium Monthly | $12.99 | per month |
| SumizeItYearlySubscription | $24.99 | per year |
| Sumizeit Yearly 50% off | $24.99 | per year |
| Sumizeit Yearly Subscription | $39.99 | per year |
| Subscription Annual $39.99 | $39.99 | per year |
| Sumizeit Yearly Subscription | $49.99 | per year |
| Sumizeit Yearly Subscription | $69.00 | per year |
| Intelligence Type Test Results | $0.99 | one-time |
| 20 Infographics | $9.99 | one-time |
| 20+ Infographics | $19.99 | one-time |
| Sumizeit Lifetime Subscription | $69.99 | one-time |
| Sumizeit Lifetime | $99.99 | one-time |

**What reviewers like**

- 👍 Useful for learning
- 💡 Fills market gap
- 🚀 Quick and easy summaries
- 👍 User-friendly interface
- 👍 Detailed and fun summaries

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Not working on iPad
- 🐛 Dark mode issues
- 🐛 Overly simplified books
- 🐛 Deceptive pricing/refund policy

**Reported bugs**

- Crashes when opening Challenges
- Crashes when bookmarking
- Crashes when selecting interests
- App crashes immediately on various actions
- Login with Gmail not working

**Requested features**

- More video summaries
- Sign In with Apple


### Sinjalizo

[App page](https://appshunter.io/ios/app/sinjalizo/id6738784668)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sumizeit free?

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

### Is Sinjalizo free?

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

### Do Sumizeit or Sinjalizo have ads?

Neither Sumizeit nor Sinjalizo shows ads.

### Which is updated more often, Sumizeit or Sinjalizo?

Sumizeit ships an update every 3 days, and Sinjalizo every 3 months. Most recently, Sumizeit was updated on October 6, 2026 and Sinjalizo 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.*