# Smart Aligner Services vs CK Academy

Smart Aligner Services and CK Academy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Aligner Services ships an update fortnightly, CK Academy weekly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Smart Aligner Services | CK Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 61 MB | 47 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Aligner Services SL](https://appshunter.io/developer/1750855239) | [Chess Knowledge FZE](https://appshunter.io/developer/1628767249) |

## What reviewers say

### Smart Aligner Services

[App page](https://appshunter.io/ios/app/smart-aligner-services/id6784329203)

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

**In-app purchases:** none


### CK Academy

[App page](https://appshunter.io/ios/app/ck-academy/id6796031327)

**In-app purchases:** none


## Frequently asked questions

### Is Smart Aligner Services free?

Smart Aligner Services is free to download, with no in-app purchases.

### Is CK Academy free?

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

### Do Smart Aligner Services or CK Academy have ads?

Neither Smart Aligner Services nor CK Academy shows ads.

### Which is updated more often, Smart Aligner Services or CK Academy?

Smart Aligner Services ships an update fortnightly, and CK Academy weekly. Most recently, Smart Aligner Services was updated on October 24, 2026 and CK Academy 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.*