# Days Since vs Experiment with Light

The clearest difference is in-app purchases: Experiment with Light at none against Days Since's 10. Experiment with Light also leads on iOS requirement (9.0 vs 16.6). Days Since's advantage is ratings volume (20K vs 4) and chart position (#137 vs unranked). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Days Since sells 8 in-app purchases, starting at $2.99 per month. Experiment with Light asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Days Since against 4.8 for Experiment with Light. That said, the two scores are not equally well evidenced: Days Since has 20K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 93% of Days Since's written reviews are positive against 100% of Experiment with Light's.

Days Since ships an update every 2 weeks, Experiment with Light every 3 weeks. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Days Since | Experiment with Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20K ratings)](https://appshunter.io/ios/app/days-since-quit-habit-tracker/id1445348921/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/experiment-with-light/id1543380863/reviews) |
| Number of ratings | **20K** | 4 |
| Positive reviews | 93.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#137** | — |
| Size | 87 MB | 267 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [A Couple of Friends OOD](https://appshunter.io/developer/1445348680) | [Alain Foussat](https://appshunter.io/developer/1543380865) |

## What reviewers say

### Days Since

[App page](https://appshunter.io/ios/app/days-since-quit-habit-tracker/id1445348921)

**Currently charting:** #137 Top Free · Health & Fitness (US App Store)

This app helps you break bad habits by creating custom counters for each one. Track your progress and stay motivated by visualizing how long it's been since your last slip-up. It's designed to encourage you to maintain your streak and achieve your goals.

**Highlights:** Custom habit counters, Progress tracking, Motivation through streaks, Secure with Face ID/passcode, Statistics visualization

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Count Up Club - Monthly | $2.99 | per month |
| Count Up Club - Monthly | $5.99 | per month |
| Premium - Monthly | $7.99 | per month |
| Premium - Monthly | $9.99 | per month |
| (DISCOUNT) Count Up Club | $11.99 | per year |
| Count Up Club - Yearly | $17.99 | per year |
| Premium - Yearly | $24.99 | per year |
| Count Up Club - Lifetime | $49.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Intuitive and responsive
- 💡 Customizable counters and colors
- 🔒 Secure with Face ID/passcode
- 🔥 Helpful for breaking bad habits

**What reviewers complain about**

- 🐛 Occasional bugs or glitches
- 💰 Subscription model could be improved
- 📱 Limited widget/Apple Watch support
- 🖍 Desire for more color options

**Reported bugs**

- Widgets not always displaying correctly
- Occasional data sync issues across devices

**Requested features**

- Ability to edit/pause counters
- Notification system for milestones
- Folder/category organization
- Integration with other health apps
- Option to track money saved


### Experiment with Light

[App page](https://appshunter.io/ios/app/experiment-with-light/id1543380863)

Access Quaker "Experiment with Light" meditation recordings and scripts. Choose from four versions with male or female voice options, or read the full script. This app works offline once installed.

**Highlights:** Meditation recordings, Full scripts, Multiple versions, Male/female voice options, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Days Since free?

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

### Is Experiment with Light free?

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

### Which has better reviews, Days Since or Experiment with Light?

Days Since is rated higher. Days Since averages 4.8 out of 5 from 20K ratings, while Experiment with Light averages 4.8 from 4 ratings.

### Do Days Since or Experiment with Light have ads?

Neither Days Since nor Experiment with Light shows ads.

### Which is updated more often, Days Since or Experiment with Light?

Days Since ships an update every 2 weeks, and Experiment with Light every 3 weeks. Most recently, Days Since was updated on November 10, 2026 and Experiment with Light on November 3, 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.*