# Gacha Calc vs SMS Forwarder

The clearest difference is in-app purchases: Gacha Calc at none against SMS Forwarder's 4. Gacha Calc also leads on update cadence (daily vs every 5 days) and device support (3 vs 1). SMS Forwarder's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. SMS Forwarder sells 4 in-app purchases, starting at $2.99 per 7 days. Gacha Calc asks for nothing beyond the download.

Gacha Calc ships an update daily, SMS Forwarder every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gacha Calc | SMS Forwarder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 days |
| Size | 36 MB | 19 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [hyeokjin cho](https://appshunter.io/developer/1859562663) | [Mehmed Ihsan Kahramanoglu](https://appshunter.io/developer/1896228167) |

## What reviewers say

### Gacha Calc

[App page](https://appshunter.io/ios/app/gacha-calc-probability-sim/id6756255892)

**Features:** macOS Compatibility

**In-app purchases:** none


### SMS Forwarder

[App page](https://appshunter.io/ios/app/sms-forwarder-text-otp-2fa/id6766184874)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is Gacha Calc free?

Gacha Calc is free to download, with no in-app purchases.

### Is SMS Forwarder free?

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

### Do Gacha Calc or SMS Forwarder have ads?

Gacha Calc shows ads; SMS Forwarder does not.

### Which is updated more often, Gacha Calc or SMS Forwarder?

Gacha Calc ships an update daily, and SMS Forwarder every 5 days. Most recently, Gacha Calc was updated on October 25, 2026 and SMS Forwarder on October 31, 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.*