# Spacetime Sprint vs Idle Human Evolution Merge RPG

The clearest difference is review sentiment: Spacetime Sprint at 100% against Idle Human Evolution Merge RPG's 54%. Spacetime Sprint also leads on in-app purchases (none vs 15) and ads (none vs shown). Idle Human Evolution Merge RPG's advantage is ratings volume (785 vs 3) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Idle Human Evolution Merge RPG sells 14 one-off in-app purchases. Spacetime Sprint asks for nothing beyond the download.

Spacetime Sprint holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Idle Human Evolution Merge RPG has 785 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Spacetime Sprint's written reviews are positive against 54% of Idle Human Evolution Merge RPG's.

Spacetime Sprint ships an update every 3 days, Idle Human Evolution Merge RPG every 2 months. The most recent releases landed on October 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Spacetime Sprint | Idle Human Evolution Merge RPG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/spacetime-sprint/id891657830/reviews)** | [4.8 (785 ratings)](https://appshunter.io/ios/app/idle-human-evolution-merge-rpg/id6747118983/reviews) |
| Number of ratings | 3 | **785** |
| Positive reviews | **100.0% of reviews** | 54.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 75 MB | 439 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Joshua Fair](https://appshunter.io/developer/891657833) | [MULTICAST GAMES LIMITED](https://appshunter.io/developer/1597996449) |

## What reviewers say

### Spacetime Sprint

[App page](https://appshunter.io/ios/app/spacetime-sprint/id891657830)

Race through space, dodging obstacles at light speed while learning STEM principles. Work with historical scientists, enhance your gameplay with collected bits, and build your IQ to unlock new features. Recruit friends to assist in your cosmic journey.

**Highlights:** Learn STEM principles, Work with famous scientists, Explore Hubble images, Collect bits to enhance gameplay, Build IQ and unlock features, Recruit friends as assistants, Activate Power-Up Particles

**Features:** macOS Compatibility

**In-app purchases:** none


### Idle Human Evolution Merge RPG

[App page](https://appshunter.io/ios/app/idle-human-evolution-merge-rpg/id6747118983)

Guide a hero from primitive times to a cosmic empire in this idle RPG. Evolve humans through various ages, unlock new abilities, and engage in strategic battles with evolving bombs. Enjoy offline progress and customize your hero's journey.

**Highlights:** Evolve humans through the ages, Idle evolution progress, Merge life simulator mechanics, Unlock evolving bombs, Time travel through eras, Customize and upgrade hero, Offline progression

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gems Pack 01 | $1.99 | one-time |
| Age Pack 1 | $1.99 | one-time |
| Age Pack 2 | $4.99 | one-time |
| Gems Pack 02 | $4.99 | one-time |
| Gems Pack 03 | $9.99 | one-time |
| Age Pack 3 | $9.99 | one-time |
| Age Great Pack 2 | $9.99 | one-time |
| Age Pack 4 | $14.99 | one-time |
| Age Pack 9 | $19.99 | one-time |
| Age Great Pack 3 | $19.99 | one-time |
| Gems Pack 04 | $19.99 | one-time |
| Age Great Pack 4 | $29.99 | one-time |
| No Ads | $34.99 | one-time |
| Gems Pack 06 | $99.99 | one-time |

**What reviewers like**

- 👍 Fun and enjoyable game
- 💡 Interesting gameplay and progression

**What reviewers complain about**

- 🐛 Health bug causing issues with progression
- 🐛 Calculation issues with attack and health percentage upgrades
- 🐛 Portal requiring religion but unable to find it in the game

**Reported bugs**

- Health bug causing health to drop unexpectedly
- Issues with attack and health percentage upgrades
- Unable to find religion for portal

**Requested features**

- Option to make icons smaller
- More content and updates
- Fix for health bug and other issues


## Frequently asked questions

### Is Spacetime Sprint free?

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

### Is Idle Human Evolution Merge RPG free?

Idle Human Evolution Merge RPG is free to download, with in-app purchases available.

### Which has better reviews, Spacetime Sprint or Idle Human Evolution Merge RPG?

Spacetime Sprint is rated higher. Spacetime Sprint averages 5.0 out of 5 from 3 ratings, while Idle Human Evolution Merge RPG averages 4.8 from 785 ratings.

### Do Spacetime Sprint or Idle Human Evolution Merge RPG have ads?

Idle Human Evolution Merge RPG shows ads; Spacetime Sprint does not.

### Which is updated more often, Spacetime Sprint or Idle Human Evolution Merge RPG?

Spacetime Sprint ships an update every 3 days, and Idle Human Evolution Merge RPG every 2 months. Most recently, Spacetime Sprint was updated on October 5, 2026 and Idle Human Evolution Merge RPG on October 30, 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.*