# Atomic Letters vs mySolar

The clearest difference is review sentiment: Atomic Letters at 100% against mySolar's 41%. Atomic Letters also leads on price (Free vs $14.99) and rating (5.0 vs 4.2). mySolar's advantage is update cadence (every 3 months vs every 61 months) and ratings volume (408 vs 2). On device support there is nothing between them.

Atomic Letters is free to download; mySolar costs $14.99 up front. mySolar sells 3 one-off in-app purchases. Atomic Letters asks for nothing beyond the download.

Atomic Letters holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: mySolar has 408 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Atomic Letters's written reviews are positive against 41% of mySolar's.

Atomic Letters ships an update every 61 months, mySolar every 3 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Atomic Letters | mySolar |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/atomic-letters/id925917614/reviews)** | [4.2 (408 ratings)](https://appshunter.io/ios/app/mysolar-build-your-planets/id1237470522/reviews) |
| Number of ratings | 2 | **408** |
| Positive reviews | **100.0% of reviews** | 41.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 61 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 131 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Post River Software](https://appshunter.io/developer/325439356) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### Atomic Letters

[App page](https://appshunter.io/ios/app/atomic-letters/id925917614)

Create unique visual representations of names and phrases using elements from the Periodic Table. Personalize your creations with custom fonts, colors, and backgrounds. The app generates high-quality PNG files perfect for various design projects.

**Highlights:** Spell names and phrases with Periodic Table elements, Customize fonts, colors, and backgrounds, Generate PNG files for various uses, Unique name spellings, Personalized design options

**In-app purchases:** none


### mySolar

[App page](https://appshunter.io/ios/app/mysolar-build-your-planets/id1237470522)

Become a celestial architect and shape your own solar system. Collect cosmic resources to expand your universe, conquer rival systems, and freely design your dream planets. Experience the power of creation and domination.

**Highlights:** Build your own solar system, Collect God points (GP) and Mass points (MP), Defeat rival solars, Absorb enemy resources, Freely build planets

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30000 GP | $2.99 | one-time |
| 80000 GP | $5.99 | one-time |
| 150000 GP | $9.99 | one-time |

**What reviewers like**

- 🚀 Powerful star and planet creation
- 👍 Satisfying gameplay loop
- 🌌 Visually appealing space environment

**What reviewers complain about**

- 🐛 Bugs and glitches causing progress loss
- 💰 Expensive in-app purchases
- 🤔 Unclear progression and upgrade system

**Reported bugs**

- Levels not progressing properly after completing objectives
- Planets and upgrades disappearing after watching ads
- Inability to create binary or multi-star systems

**Requested features**

- Sandbox mode with more customization options
- Multiplayer or co-op gameplay
- Improved tutorial and onboarding


## Frequently asked questions

### Is Atomic Letters free?

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

### Is mySolar free?

mySolar costs $14.99, and also offers in-app purchases.

### Which has better reviews, Atomic Letters or mySolar?

Atomic Letters is rated higher. Atomic Letters averages 5.0 out of 5 from 2 ratings, while mySolar averages 4.2 from 408 ratings.

### Do Atomic Letters or mySolar have ads?

mySolar shows ads; Atomic Letters does not.

### Which is updated more often, Atomic Letters or mySolar?

Atomic Letters ships an update every 61 months, and mySolar every 3 months. Most recently, Atomic Letters was updated on October 9, 2026 and mySolar on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*