# Spacetime Sprint vs Idle evolution

The clearest difference is in-app purchases: Spacetime Sprint at none against Idle evolution's 10. Spacetime Sprint also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). Idle evolution's advantage is ratings volume (5.9K vs 3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Idle evolution sells 10 in-app purchases, starting at $1.99 per 7 days. Spacetime Sprint asks for nothing beyond the download.

Spacetime Sprint holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Idle evolution has 5.9K 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 75% of Idle evolution's.

Spacetime Sprint ships an update every 3 days, Idle evolution every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Spacetime Sprint | Idle evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/spacetime-sprint/id891657830/reviews)** | [4.6 (5.9K ratings)](https://appshunter.io/ios/app/idle-evolution-life-on-earth/id1484295610/reviews) |
| Number of ratings | 3 | **5.9K** |
| Positive reviews | **100.0% of reviews** | 75.1% 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 | 330 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Fair](https://appshunter.io/developer/891657833) | [DoMobile Co., Ltd.](https://appshunter.io/developer/523576985) |

## 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 evolution

[App page](https://appshunter.io/ios/app/idle-evolution-life-on-earth/id1484295610)

Explore the 4-billion-year history of life on Earth through an engaging idle game. Learn about ancient creatures and human culture while restoring biological forms and unlocking evolutionary mysteries. Experience a blend of casual gameplay and educational content.

**Highlights:** Casual idle gameplay, Popular science education, Biological restoration, Intellectual equipment technology, Unlock mysteries of life, Experience life evolution

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $1.99 | per 7 days |
| Diamond X100 | $1.99 | one-time |
| Limit Gift 01 | $1.99 | one-time |
| Limit Gift 6 | $4.99 | one-time |
| Sealimit.gift1 | $4.99 | one-time |
| Humanlimit.gift1 | $4.99 | one-time |
| DNA output Permanent x2 | $5.99 | one-time |
| Sea.sale2 | $9.99 | one-time |
| Human.sale2 | $9.99 | one-time |
| Special golden passport | $11.99 | one-time |

**What reviewers like**

- 👍 Fun and educational game
- 🚀 Engaging gameplay
- 💡 Interesting prehistoric creatures
- 👍 Informative and accurate content
- 💡 Rewards for answering questions instead of ads

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Unclear instructions
- 🔍 Confusing UI
- 🔍 Inaccurate creature descriptions
- 🔍 Slow progress after a certain point

**Reported bugs**

- Game not loading or crashing
- Incorrect resource deduction when purchasing items
- Ads not closing properly
- Saved progress not syncing across devices

**Requested features**

- More dinosaur and prehistoric creature models
- Improved tutorial and onboarding
- Ability to reset progress and start over
- More advanced gameplay modes
- Optimization for larger screens


## Frequently asked questions

### Is Spacetime Sprint free?

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

### Is Idle evolution free?

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

### Which has better reviews, Spacetime Sprint or Idle evolution?

Spacetime Sprint is rated higher. Spacetime Sprint averages 5.0 out of 5 from 3 ratings, while Idle evolution averages 4.6 from 5.9K ratings.

### Do Spacetime Sprint or Idle evolution have ads?

Idle evolution shows ads; Spacetime Sprint does not.

### Which is updated more often, Spacetime Sprint or Idle evolution?

Spacetime Sprint ships an update every 3 days, and Idle evolution every 2 months. Most recently, Spacetime Sprint was updated on November 1, 2026 and Idle evolution on November 7, 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.*