# EigenGauge vs Save Polly

The clearest difference is device support: EigenGauge at 3 against Save Polly's 1. EigenGauge also leads on iOS requirement (10.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. EigenGauge sells 3 one-off in-app purchases and Save Polly sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.8 for EigenGauge against 3.8 for Save Polly. Both are backed by a comparable volume of ratings — 32 and 22 respectively. Written reviews split almost evenly too, at 55% and 55% positive.

EigenGauge ships an update every 6 weeks, Save Polly every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | EigenGauge | Save Polly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (32 ratings)](https://appshunter.io/ios/app/eigengauge/id1533879018/reviews) | **[3.8 (22 ratings)](https://appshunter.io/ios/app/save-polly/id6479299251/reviews)** |
| Number of ratings | **32** | 22 |
| Positive reviews | **55.0% of reviews** | 54.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 975 MB | 454 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHRIS HODGE](https://appshunter.io/developer/903916651) | [Polarcade AB](https://appshunter.io/developer/1735481023) |

## What reviewers say

### EigenGauge

[App page](https://appshunter.io/ios/app/eigengauge/id1533879018)

Experience intense, retro-style racing across a star system with numerous locations. Master diverse abilities and choose from six unique vehicles. Compete in challenging races to unlock new content.

**Highlights:** Retro high-speed racing, Star system exploration, Unlockable abilities, Six distinct vehicles, Unlock new challenges

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Gems | $0.99 | one-time |
| 500 Gems | $1.99 | one-time |
| 900 Gems | $2.99 | one-time |


### Save Polly

[App page](https://appshunter.io/ios/app/save-polly/id6479299251)

Embark on an emotional endless runner adventure as a brave parrot searching for her lost parents. Navigate diverse jungle environments, master intuitive controls, and overcome challenging obstacles. Compete weekly and unlock upgrades to enhance your journey.

**Highlights:** Compelling storyline, Intuitive flight controls, Endless runner gameplay, Diverse environmental challenges, Marathon mode, Weekly competitions, Unlockable mystery chests, Character upgrades and customization

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite Pack | $0.99 | one-time |
| Small Pack | $2.99 | one-time |
| Medium Pack | $9.99 | one-time |
| Starter Pack | $14.99 | one-time |
| Large Pack | $29.99 | one-time |


## Frequently asked questions

### Is EigenGauge free?

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

### Is Save Polly free?

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

### Which has better reviews, EigenGauge or Save Polly?

Save Polly is rated higher. EigenGauge averages 3.8 out of 5 from 32 ratings, while Save Polly averages 3.8 from 22 ratings.

### Do EigenGauge or Save Polly have ads?

Neither EigenGauge nor Save Polly shows ads.

### Which is updated more often, EigenGauge or Save Polly?

EigenGauge ships an update every 6 weeks, and Save Polly every 3 weeks. Most recently, EigenGauge was updated on October 24, 2026 and Save Polly on October 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.*