# Eco Power Towns vs SumLock

The clearest difference is rating: SumLock at 5.0 against Eco Power Towns's 4.4. SumLock also leads on price ($0.99 vs $1.99). Eco Power Towns's advantage is ads (none vs shown) and ratings volume (89 vs 1). On in-app purchases and monetization model there is nothing between them.

Eco Power Towns costs $1.99 and SumLock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SumLock holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Eco Power Towns has 89 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Eco Power Towns | SumLock |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [4.4 (89 ratings)](https://appshunter.io/ios/app/eco-power-towns/id6748683190/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumlock/id6786379020/reviews)** |
| Number of ratings | **89** | 1 |
| Positive reviews | 57.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Monetization | Paid | Paid |
| Size | 36 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tepes Ovidiu](https://appshunter.io/developer/1225592787) | [H Valeur](https://appshunter.io/developer/621824042) |

## What reviewers say

### Eco Power Towns

[App page](https://appshunter.io/ios/app/eco-power-towns/id6748683190)

A strategy puzzle game where players build and manage green energy sources to power a small town. Optimize your layout, research upgrades, and reach energy goals across diverse terrains. Enjoy a peaceful, icon-driven experience with no ads or tracking.

**Highlights:** Build solar, wind, tidal, and biomass energy sources, Manage limited resources and optimize layouts, Research upgrades for improved efficiency, Icon-driven gameplay with no text, Handcrafted levels with increasing challenge, Peaceful lo-fi music and minimalist art style

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

**In-app purchases:** none

**What reviewers like**

- 🖤 fun!
- 👍 great art and puzzles
- 💰 great price
- 👍 visually pleasing
- 👍 relaxing puzzler

**What reviewers complain about**

- 🤔 confusing at first
- 🤔 no tutorial
- 🤔 chart makes no sense
- 🤔 no instructions
- 🤔 chart in the game is a little bit confusing

**Reported bugs**

- Level 3 is very difficult to understand
- Randomly placing solar panels is not fun

**Requested features**

- More levels please!
- Tutorial or reference to explain the chart


### SumLock

[App page](https://appshunter.io/ios/app/sumlock/id6786379020)

Engage your mind with a unique number puzzle game that combines logic, arithmetic, and deduction. Crack a 6-digit code within limited attempts, ensuring each guess uses unique digits that sum to a target value. Enjoy a satisfying brain workout with color-coded clues and build your winning streak.

**Highlights:** Crack 6-digit master code, Unique digit and sum challenges, Color-coded feedback clues, Build winning streaks, Daily brain workout, Haptic feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is Eco Power Towns free?

Eco Power Towns costs $1.99, with no in-app purchases.

### Is SumLock free?

SumLock costs $0.99, with no in-app purchases.

### Which has better reviews, Eco Power Towns or SumLock?

SumLock is rated higher. Eco Power Towns averages 4.4 out of 5 from 89 ratings, while SumLock averages 5.0 from 1 ratings.

### Do Eco Power Towns or SumLock have ads?

SumLock shows ads; Eco Power Towns does not.

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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.*