# One Plus Two = 3 vs Sequna

The clearest difference is ads: Sequna at none against One Plus Two = 3's shown. Sequna also leads on update cadence (every 2 days vs every 2 months). One Plus Two = 3's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. One Plus Two = 3 sells 2 one-off in-app purchases and Sequna sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

One Plus Two = 3 ships an update every 2 months, Sequna every 2 days. The most recent releases landed on September 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | One Plus Two = 3 | Sequna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/one-plus-two-3/id1473746933/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Izvalov](https://appshunter.io/developer/1437172357) | [Joost Pieter Joseph van Wollingen](https://appshunter.io/developer/1887109432) |

## What reviewers say

### One Plus Two = 3

[App page](https://appshunter.io/ios/app/one-plus-two-3/id1473746933)

Engage your mind with a unique puzzle game that blends numbers and letters. Solve challenges by translating numerical values into descriptive phrases using a given set of letters. Earn power-ups as you progress through increasingly complex mathematical and linguistic riddles.

**Highlights:** Number to phrase translation, Mathematical operations integration, Use all provided letters, Result must match target number, Power-up rewards, Hidden gameplay hints

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Hint Bulbs | $0.99 | one-time |
| 1000 Hint Bulbs | $4.99 | one-time |


### Sequna

[App page](https://appshunter.io/ios/app/sequna-puzzle-challenge/id6760978377)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level Sharing Unlock | $0.99 | one-time |


## Frequently asked questions

### Is One Plus Two = 3 free?

One Plus Two = 3 is free to download, with in-app purchases available.

### Is Sequna free?

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

### Do One Plus Two = 3 or Sequna have ads?

One Plus Two = 3 shows ads; Sequna does not.

### Which is updated more often, One Plus Two = 3 or Sequna?

One Plus Two = 3 ships an update every 2 months, and Sequna every 2 days. Most recently, One Plus Two = 3 was updated on September 7, 2026 and Sequna on September 19, 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.*