# Diamond Quest vs Predictify Numbers

The clearest difference is in-app purchases: Predictify Numbers at none against Diamond Quest's 15. Predictify Numbers also leads on ads (none vs shown). Diamond Quest's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Diamond Quest sells 15 in-app purchases, starting at $4.99 per month. Predictify Numbers asks for nothing beyond the download.

Diamond Quest ships an update weekly, Predictify Numbers every 5 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Diamond Quest | Predictify Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (641 ratings)](https://appshunter.io/ios/app/diamond-quest-dont-rush/id1490427031/reviews)** | — |
| Number of ratings | **641** | — |
| Positive reviews | 71.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 186 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Luu Trong](https://appshunter.io/developer/814550645) | [Alper Emin Yardimci](https://appshunter.io/developer/1874396613) |

## What reviewers say

### Diamond Quest

[App page](https://appshunter.io/ios/app/diamond-quest-dont-rush/id1490427031)

Embark on an addictive adventure as an explorer collecting gems in ancient temples and castles. Navigate treacherous environments, overcome obstacles, and defeat boss monsters to progress through challenging puzzles. Utilize mystic tools to overcome traps and reach the exit.

**Highlights:** Gem collection quests, Obstacle and trap navigation, Boss monster battles, Mystic tool usage, Hundreds of puzzles, Checkpoint system

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vip Package | $4.99 | per month |
| Pile of Diamonds | $0.99 | one-time |
| Promotion Package 1 | $0.99 | one-time |
| Promotion Package 2 | $1.99 | one-time |
| Promotion Package 3 | $2.99 | one-time |
| Promotion Package 5 | $4.99 | one-time |
| Promotion Package 6 | $5.99 | one-time |
| Heap of Diamonds | $6.99 | one-time |
| Promotion Package 7 | $6.99 | one-time |
| Promotion Package 8 | $7.99 | one-time |
| Promotion Package 10 | $9.99 | one-time |
| Bag of Diamonds | $13.99 | one-time |
| Chest of Diamonds | $27.99 | one-time |
| Cart of Diamonds | $49.99 | one-time |
| Diamond Mine | $99.99 | one-time |

**What reviewers like**

- 👍 Nostalgic feeling
- ❤️ Childhood memories
- 🎮 Engaging gameplay
- 🕹️ Challenging puzzles

**What reviewers complain about**

- 🙄 Aggressive ads
- 🔋 Energy system issues
- 🐛 Bugs and glitches
- 💰 Monetization concerns

**Reported bugs**

- Levels not progressing after completing previous ones
- Certain levels being unbeatable due to bugs
- Crashes and freezes on newer devices

**Requested features**

- Original version with classic sound effects
- Ability to continue progress after updates
- Improved level progression and unlocking


### Predictify Numbers

[App page](https://appshunter.io/ios/app/predictify-numbers/id6758787452)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diamond Quest free?

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

### Is Predictify Numbers free?

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

### Do Diamond Quest or Predictify Numbers have ads?

Diamond Quest shows ads; Predictify Numbers does not.

### Which is updated more often, Diamond Quest or Predictify Numbers?

Diamond Quest ships an update weekly, and Predictify Numbers every 5 days. Most recently, Diamond Quest was updated on October 16, 2026 and Predictify Numbers on October 10, 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.*