# Exponential Idle vs Sum Rush+

The clearest difference is in-app purchases: Sum Rush+ at none against Exponential Idle's 4. Sum Rush+ also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). Exponential Idle's advantage is iOS requirement (8.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Exponential Idle sells 4 one-off in-app purchases. Sum Rush+ asks for nothing beyond the download.

Exponential Idle ships an update every 3 weeks, Sum Rush+ every 5 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Exponential Idle | Sum Rush+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.1K ratings)](https://appshunter.io/ios/app/exponential-idle/id1538487382/reviews)** | — |
| Number of ratings | **4.1K** | — |
| Positive reviews | 91.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 185 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gilles-Philippe Paille](https://appshunter.io/developer/1538487384) | [Bharat Sharma](https://appshunter.io/developer/1748092256) |

## What reviewers say

### Exponential Idle

[App page](https://appshunter.io/ios/app/exponential-idle/id1538487382)

Engage in a math-inspired incremental game where you strategically stack virtual money through exponential growth. Advance through time, make variable changes, and purchase upgrades to accelerate your earnings and unlock achievements.

**Highlights:** Exponential growth mechanics, Time progression, Change of variables, Buy upgrades, Earn virtual money, Unlock achievements

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate | $0.99 | one-time |
| Permanent Ad Reward | $1.99 | one-time |
| Donate | $1.99 | one-time |
| Donate | $3.99 | one-time |

**What reviewers like**

- 👍 Great and addicting game
- 👍 Interesting story and educational
- 👍 Numbers go big
- 👍 User-friendly with good descriptions
- 👍 Highly automated progression

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- ⏱️ Slow progression after initial stages
- 🕹️ Difficult mini-games
- 🔒 Harsh time-change penalty
- 🔋 Potential performance issues on some devices

**Reported bugs**

- Puzzle mini-games not loading correctly
- Offline progress issues after updates
- Occasional app crashes

**Requested features**

- More mini-games and challenges
- Better explanations for advanced mechanics
- Adjustable color schemes and visual customization
- Improved offline progress tracking
- Smoother performance and optimization


### Sum Rush+

[App page](https://appshunter.io/ios/app/sum-rush-plus/id6757355561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Exponential Idle free?

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

### Is Sum Rush+ free?

Sum Rush+ is free to download, with no in-app purchases.

### Do Exponential Idle or Sum Rush+ have ads?

Exponential Idle shows ads; Sum Rush+ does not.

### Which is updated more often, Exponential Idle or Sum Rush+?

Exponential Idle ships an update every 3 weeks, and Sum Rush+ every 5 days. Most recently, Exponential Idle was updated on October 29, 2026 and Sum Rush+ on October 31, 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.*