# Power Summers vs Lettract

The clearest difference is in-app purchases: Lettract at none against Power Summers's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Power Summers sells 1 one-off in-app purchase. Lettract asks for nothing beyond the download.

## The numbers

| Metric | Power Summers | Lettract |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/power-summers-math-strategy/id6759366908/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 157 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kalyan Lakkavarapukota](https://appshunter.io/developer/1855873339) | [Emad Ali](https://appshunter.io/developer/1562729942) |

## What reviewers say

### Power Summers

[App page](https://appshunter.io/ios/app/power-summers-math-strategy/id6759366908)

A competitive math strategy game featuring two distinct exponential progression systems: 2ⁿ Binary Mode and 3ⁿ Ternary Mode. Master unique merge logic and board strategies to climb separate leaderboards. Enjoy pure strategic play with no forced timers.

**Highlights:** Dual progression systems (2ⁿ and 3ⁿ), Independent ranked leaderboards, Overcharge mechanic for tile upgrades, Clean neon strategy interface, Pro-exclusive Endless Mode, No forced timers

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $2.99 | one-time |


### Lettract

[App page](https://appshunter.io/ios/app/lettract/id6761775838)

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

**In-app purchases:** none


## Frequently asked questions

### Is Power Summers free?

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

### Is Lettract free?

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

### Do Power Summers or Lettract have ads?

Both Power Summers and Lettract show ads.

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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.*