# Robo Run Memory vs UnderGuild

The clearest difference is in-app purchases: Robo Run Memory at none against UnderGuild's 19. Robo Run Memory also leads on ads (none vs shown). UnderGuild's advantage is update cadence (every 10 days vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. UnderGuild sells 19 one-off in-app purchases. Robo Run Memory asks for nothing beyond the download.

Robo Run Memory ships an update every 6 months, UnderGuild every 10 days. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Robo Run Memory | UnderGuild |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (78 ratings)](https://appshunter.io/ios/app/underguild-offense/id6752882356/reviews)** |
| Number of ratings | — | **78** |
| Positive reviews | — | 79.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 408 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chris Clements](https://appshunter.io/developer/1023107489) | [SeungHo Chung](https://appshunter.io/developer/1626940418) |

## What reviewers say

### Robo Run Memory

[App page](https://appshunter.io/ios/app/robo-run-memory/id1273765882)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnderGuild

[App page](https://appshunter.io/ios/app/underguild-offense/id6752882356)

Engage in fast-paced strategy battles, commanding heroes and mercenaries against monster waves. Master tactical placement, unit fusion, and epic boss fights to achieve victory. Your strategic decisions are key to overcoming relentless challenges.

**Highlights:** Tactical hero & mercenary placement, Unit fusion and evolution, Challenging boss fights, Endless unit combination strategies, Engaging offensive gameplay

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piggy Bank 1 | $0.99 | one-time |
| 80 Diamonds | $0.99 | one-time |
| Event Package 1 | $0.99 | one-time |
| Normal Pack 2 | $1.99 | one-time |
| Daily Shop Slot Expansion 1 | $1.99 | one-time |
| Str_Random_Skin | $1.99 | one-time |
| Normal Pack 3 | $2.99 | one-time |
| item_pack_all_1 | $4.99 | one-time |
| Starter Pack | $5.49 | one-time |
| Add 3x speed | $7.99 | one-time |
| Season_Superpass_1 | $7.99 | one-time |
| Unit_Legend | $8.99 | one-time |
| Hero_Legend | $8.99 | one-time |
| Hero_Pass_1 | $9.99 | one-time |
| newhero_1_1 | $9.99 | one-time |
| Auto Pack | $10.99 | one-time |
| Remove Ads | $10.99 | one-time |
| Legendary Hero Level 2 | $10.99 | one-time |
| Season_Hyperpass_1 | $18.99 | one-time |


## Frequently asked questions

### Is Robo Run Memory free?

Robo Run Memory is free to download, with no in-app purchases.

### Is UnderGuild free?

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

### Do Robo Run Memory or UnderGuild have ads?

UnderGuild shows ads; Robo Run Memory does not.

### Which is updated more often, Robo Run Memory or UnderGuild?

Robo Run Memory ships an update every 6 months, and UnderGuild every 10 days. Most recently, Robo Run Memory was updated on September 17, 2026 and UnderGuild on September 24, 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.*