# CALC~blocks vs Flag Game

The clearest difference is rating: Flag Game at 5.0 against CALC~blocks's 4.0. Flag Game also leads on ads (none vs shown). CALC~blocks's advantage is in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Flag Game sells 1 one-off in-app purchase. CALC~blocks asks for nothing beyond the download.

Flag Game holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 65% of CALC~blocks's written reviews are positive against 67% of Flag Game's.

CALC~blocks ships an update every 3 weeks, Flag Game every 5 weeks. The most recent releases landed on September 21, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | CALC~blocks | Flag Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/calcblocks/id1229303760/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flag-game/id1230934253/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 65.4% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 19 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [STROVI LIMITED](https://appshunter.io/developer/299491523) |

## What reviewers say

### CALC~blocks

[App page](https://appshunter.io/ios/app/calcblocks/id1229303760)

A block math puzzle game where you calculate math results to clear blocks, similar to Tetris. Aim for combos and higher scores by clearing blocks quickly and correctly. Enjoy different difficulty levels and play offline.

**Highlights:** Block math puzzle gameplay, Calculate math results to clear blocks, Combo shots for higher scores, Multiple difficulty levels, Offline play supported, Visual effects

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

**In-app purchases:** none


### Flag Game

[App page](https://appshunter.io/ios/app/flag-game/id1230934253)

Challenge your geography skills by matching countries to their correct flags. Unlock achievements across various game modes, from easy to comprehensive world flag challenges. Personalize your app icon with your favorite flag on supported iOS versions.

**Highlights:** Match country to flag, Multiple game modes, World flag challenges, Regional flag games, Game Center Achievements, Customizable app icon

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flag Game Premium | $0.99 | one-time |


## Frequently asked questions

### Is CALC~blocks free?

CALC~blocks is free to download, with no in-app purchases.

### Is Flag Game free?

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

### Which has better reviews, CALC~blocks or Flag Game?

Flag Game is rated higher. CALC~blocks averages 4.0 out of 5 from 4 ratings, while Flag Game averages 5.0 from 1 ratings.

### Do CALC~blocks or Flag Game have ads?

CALC~blocks shows ads; Flag Game does not.

### Which is updated more often, CALC~blocks or Flag Game?

CALC~blocks ships an update every 3 weeks, and Flag Game every 5 weeks. Most recently, CALC~blocks was updated on September 21, 2026 and Flag Game on August 26, 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.*