# PutNumber vs Xross Sum

The clearest difference is in-app purchases: Xross Sum at none against PutNumber's 2. Xross Sum also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PutNumber sells 2 one-off in-app purchases. Xross Sum asks for nothing beyond the download.

PutNumber ships an update weekly, Xross Sum every 8 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PutNumber | Xross Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (279 ratings)](https://appshunter.io/ios/app/putnumber-simple-puzzle-game/id989061175/reviews)** | — |
| Number of ratings | **279** | — |
| Positive reviews | 85.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKASHI TOKUDA](https://appshunter.io/developer/665848074) | [Kaito Oshiro](https://appshunter.io/developer/1844346063) |

## What reviewers say

### PutNumber

[App page](https://appshunter.io/ios/app/putnumber-simple-puzzle-game/id989061175)

Slide and group number blocks to clear them from the board. Strategically place blocks to avoid filling the grid. Offers multiple game modes for different play styles, from relaxed to timed challenges.

**Highlights:** Slide and group number blocks, Erase blocks by gathering numbers, Turn blocks before placing, Score bonuses for multiple erasures, Endless, Timed, and Cursor modes, Brain teaser for mental workout

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ERASE SELECTED NUMBER | $0.99 | one-time |
| REMOVE ADS | $14.99 | one-time |

**What reviewers like**

- 🧠 Great brain exercise
- 🤩 Addictive and fun gameplay
- 👍 Simple yet challenging
- 😌 Relaxing and good for time-killing
- 💡 Multiple play modes

**What reviewers complain about**

- 😠 Forced ads during gameplay
- 😤 Unwanted app redirects
- 📉 Frustrating number generation
- ⏳ Long and annoying ads
- 😩 Ads interrupt gameplay flow

**Reported bugs**

- App crashes frequently
- Numbers frozen and unmovable
- Game freezes constantly
- Numbers cannot be dragged to desired positions
- App closes mid-game

**Requested features**

- Dark mode option
- Volume adjustment
- Save function for progress
- Undo button
- Option to choose levels


### Xross Sum

[App page](https://appshunter.io/ios/app/xross-sum/id6757206132)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PutNumber free?

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

### Is Xross Sum free?

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

### Do PutNumber or Xross Sum have ads?

Both PutNumber and Xross Sum show ads.

### Which is updated more often, PutNumber or Xross Sum?

PutNumber ships an update weekly, and Xross Sum every 8 days. Most recently, PutNumber was updated on November 9, 2026 and Xross Sum 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.*