# NumBool vs Salvage Forge

The clearest difference is rating: Salvage Forge at 5.0 against NumBool's 3.0. Salvage Forge also leads on ratings volume (3 vs 1). NumBool's advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Salvage Forge holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

NumBool ships an update every 5 days, Salvage Forge every 4 weeks. The most recent releases landed on September 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NumBool | Salvage Forge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/numbool/id6444843264/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/salvage-forge/id6793362171/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Furkan Bozgoz](https://appshunter.io/developer/1585153052) | [Murat Surenler](https://appshunter.io/developer/6786936260) |

## What reviewers say

### NumBool

[App page](https://appshunter.io/ios/app/numbool/id6444843264)

Engage in a competitive logic game where players guess each other's secret 5-digit sequences. Hone your deductive skills in a practice mode or challenge friends directly. Climb the leaderboards and prove your strategic prowess.

**Highlights:** Multiplayer logic challenges, Guess opponent's digit sequence, Practice mode for skill development, Friend invitations, Ranking table for stats comparison, Matchmaking feature

**Features:** macOS Compatibility

**In-app purchases:** none


### Salvage Forge

[App page](https://appshunter.io/ios/app/salvage-forge/id6793362171)

Merge parts to create better items, from scrap to advanced technology. Earn coins even when offline and return to a growing pile of passive income. Progress through multiple tiers of gear and enjoy weekly season passes.

**Highlights:** Merge matching parts to create better items, Offline earnings and passive income, Eight tiers of gear to unlock, Weekly season pass with free and premium rewards, Prestige system for permanent earning multipliers, Contracts, crates, and daily bonuses

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NumBool free?

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

### Is Salvage Forge free?

Salvage Forge is free to download, with no in-app purchases.

### Which has better reviews, NumBool or Salvage Forge?

Salvage Forge is rated higher. NumBool averages 3.0 out of 5 from 1 ratings, while Salvage Forge averages 5.0 from 3 ratings.

### Do NumBool or Salvage Forge have ads?

Salvage Forge shows ads; NumBool does not.

### Which is updated more often, NumBool or Salvage Forge?

NumBool ships an update every 5 days, and Salvage Forge every 4 weeks. Most recently, NumBool was updated on September 16, 2026 and Salvage Forge on October 15, 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.*