# arrowgram vs Isochrone

The clearest difference is in-app purchases: Isochrone at none against arrowgram's 1. Isochrone also leads on review sentiment (100% vs 83%) and rating (5.0 vs 4.8). arrowgram's advantage is ratings volume (30 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. arrowgram sells 1 one-off in-app purchase. Isochrone asks for nothing beyond the download.

Isochrone holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: arrowgram has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of arrowgram's written reviews are positive against 100% of Isochrone's.

arrowgram ships an update every 4 days, Isochrone every 2 days. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | arrowgram | Isochrone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (30 ratings)](https://appshunter.io/ios/app/arrowgram/id6779475353/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isochrone-timing-puzzle/id6809238037/reviews)** |
| Number of ratings | **30** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 136 MB | 94 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Hussenet](https://appshunter.io/developer/1843228499) | [Luke Kavenagh](https://appshunter.io/developer/6804431615) |

## What reviewers say

### arrowgram

[App page](https://appshunter.io/ios/app/arrowgram/id6779475353)

This is a calm logic puzzle game where players must remove arrows from a grid by tapping them in the correct sequence. The objective is to clear the board by following a single rule: an arrow can only be removed when its path is clear. It offers thousands of levels suitable for short breaks or longer play sessions.

**Highlights:** Clear arrow grids, Tap arrows in sequence, 4000+ levels, Save progress, Simple tap controls, Calm puzzle experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $4.99 | one-time |


### Isochrone

[App page](https://appshunter.io/ios/app/isochrone-timing-puzzle/id6809238037)

Guide a pulse to its receiver by strategically placing timing-based puzzle pieces. Solve increasingly complex challenges with unique mechanics and compete on global leaderboards. Enjoy offline play with all levels included.

**Highlights:** Timing-based pulse guidance, Mirrors and splitters, Daily puzzles and leaderboards, 367 solver-verified levels, Offline play, No ads, timers, or lives

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

**In-app purchases:** none


## Frequently asked questions

### Is arrowgram free?

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

### Is Isochrone free?

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

### Which has better reviews, arrowgram or Isochrone?

Isochrone is rated higher. arrowgram averages 4.8 out of 5 from 30 ratings, while Isochrone averages 5.0 from 1 ratings.

### Do arrowgram or Isochrone have ads?

Neither arrowgram nor Isochrone shows ads.

### Which is updated more often, arrowgram or Isochrone?

arrowgram ships an update every 4 days, and Isochrone every 2 days. Most recently, arrowgram was updated on October 28, 2026 and Isochrone on October 26, 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.*