# Firefly Fill Light vs DayBack

The clearest difference is ads: Firefly Fill Light at none against DayBack's shown. Firefly Fill Light also leads on iOS requirement (12.0 vs 18.2). DayBack's advantage is update cadence (every 6 weeks vs every 6 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Firefly Fill Light ships an update every 6 months, DayBack every 6 weeks. The most recent releases landed on September 11, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | Firefly Fill Light | DayBack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dayback/id6751670877/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | — | Ad-supported |
| Size | 29 MB | 9 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广胜 梁](https://appshunter.io/developer/1698241777) | [Liberty Lane Innovations LLC](https://appshunter.io/developer/1836266561) |

## What reviewers say

### Firefly Fill Light

[App page](https://appshunter.io/ios/app/firefly-fill-light/id6744722868)

**Features:** macOS Compatibility

**In-app purchases:** none


### DayBack

[App page](https://appshunter.io/ios/app/dayback/id6751670877)

Rediscover forgotten photos from past years on this exact day. Easily keep cherished memories or delete unwanted ones to free up storage. Build a curated photo library with a simple daily habit.

**Highlights:** Daily photo memory surfacing, Swipe to keep or delete photos, Frees up iPhone storage, Curated photo library building, Simple daily habit

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Firefly Fill Light free?

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

### Is DayBack free?

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

### Do Firefly Fill Light or DayBack have ads?

DayBack shows ads; Firefly Fill Light does not.

### Which is updated more often, Firefly Fill Light or DayBack?

Firefly Fill Light ships an update every 6 months, and DayBack every 6 weeks. Most recently, Firefly Fill Light was updated on September 11, 2026 and DayBack on July 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.*