# K vs STRATA Insight

The clearest difference is in-app purchases: STRATA Insight at none against K's 7. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K sells 7 in-app purchases, starting at $6.99 per month. STRATA Insight asks for nothing beyond the download.

K ships an update every 3 weeks, STRATA Insight monthly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | K | STRATA Insight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 54 MB | 8 MB |
| Requires iOS | 18.4 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Observation Assistant LLC](https://appshunter.io/developer/1843956434) | [AILOGY LLC](https://appshunter.io/developer/1879625613) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-12-observation-assistant/id6753606149)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Monthly | $6.99 | per month |
| Observer Monthly | $9.99 | per month |
| Snapshot Monthly | $9.99 | per month |
| Individual Annual | $39.99 | per year |
| Observer Annual | $59.99 | per year |
| Observer Unlimited | $99.99 | per year |
| Observations: 25 Pack | $39.99 | one-time |


### STRATA Insight

[App page](https://appshunter.io/ios/app/strata-insight/id6783942470)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is STRATA Insight free?

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

### Do K or STRATA Insight have ads?

Neither K nor STRATA Insight shows ads.

### Which is updated more often, K or STRATA Insight?

K ships an update every 3 weeks, and STRATA Insight monthly. Most recently, K was updated on October 30, 2026 and STRATA Insight on November 10, 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.*