# TK App vs DifferSheet

The clearest difference is in-app purchases: TK App at none against DifferSheet's 9. TK App also leads on iOS requirement (10.0 vs 14.0). DifferSheet's advantage is update cadence (every 5 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. DifferSheet sells 9 one-off in-app purchases. TK App asks for nothing beyond the download.

TK App ships an update every 7 months, DifferSheet every 5 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TK App | DifferSheet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Size | 5 MB | 37 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thailand Knowledge Park](https://appshunter.io/developer/1215512862) | [Thakornkrid Thanatharapokin](https://appshunter.io/developer/1622203193) |

## What reviewers say

### TK App

[App page](https://appshunter.io/ios/app/tk-app/id591325373)

**In-app purchases:** none


### DifferSheet

[App page](https://appshunter.io/ios/app/differsheet/id1633300617)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| สตาร์เจม 30 ดวง | $0.99 | one-time |
| สตาร์เจม 95 ดวง | $2.99 | one-time |
| Stargem 230 ดวง | $5.99 | one-time |
| สตาร์เจม 539 ดวง | $12.99 | one-time |
| สตาร์เจม 689 ดวง | $16.99 | one-time |
| สตาร์เจม 779 ดวง | $18.99 | one-time |
| สตาร์เจม 1049 ดวง | $24.99 | one-time |
| สตาร์เจม 919 ดวง | $24.99 | one-time |
| stargem_1299 | $26.99 | one-time |


## Frequently asked questions

### Is TK App free?

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

### Is DifferSheet free?

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

### Do TK App or DifferSheet have ads?

Neither TK App nor DifferSheet shows ads.

### Which is updated more often, TK App or DifferSheet?

TK App ships an update every 7 months, and DifferSheet every 5 weeks. Most recently, TK App was updated on October 1, 2026 and DifferSheet on October 7, 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.*