# GSM Alarm vs Geometry Solver for Area

The clearest difference is in-app purchases: GSM Alarm at none against Geometry Solver for Area's 2. GSM Alarm also leads on update cadence (monthly vs every 5 months) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Geometry Solver for Area sells 2 in-app purchases, starting at $1.99 per 7 days. GSM Alarm asks for nothing beyond the download.

GSM Alarm ships an update monthly, Geometry Solver for Area every 5 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GSM Alarm | Geometry Solver for Area |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 1 MB | 68 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [亚钢 蔡](https://appshunter.io/developer/959255230) | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) |

## What reviewers say

### GSM Alarm

[App page](https://appshunter.io/ios/app/gsm-alarm/id959292939)

**Features:** macOS Compatibility

**In-app purchases:** none


### Geometry Solver for Area

[App page](https://appshunter.io/ios/app/geometry-solver-for-area/id1458614713)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is GSM Alarm free?

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

### Is Geometry Solver for Area free?

Geometry Solver for Area is free to download, with in-app purchases available.

### Do GSM Alarm or Geometry Solver for Area have ads?

Neither GSM Alarm nor Geometry Solver for Area shows ads.

### Which is updated more often, GSM Alarm or Geometry Solver for Area?

GSM Alarm ships an update monthly, and Geometry Solver for Area every 5 months. Most recently, GSM Alarm was updated on October 26, 2026 and Geometry Solver for Area on October 29, 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.*