Comparison

BetterflyBox vs 51 IÉNA

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

BetterflyBox

Features

Read full description

This application will allow you to contribute to the rehabilitation of birds and insects in cities. After decorating and installing your Ecological Bubble, you will be able to send your observations to specialists. You will help scientific studies and the census of birds and insects in cities. In the application you will also have the opportunity to share your experience with the community.

About

51 IÉNA

Features

Read full description

L’application du Cercle 51 IENA, conçue pour faciliter la vie de ses membres. Pour réserver ou encore consulter le programme des événements, cette application met votre Cercle à portée de main. Nous vous recommandons vivement de la télécharger afin de pouvoir bénéficier pleinement de votre Cercle. Application réservée aux membres majeurs du Cercle 51 IENA.

Screenshots

BetterflyBox4 screens

51 IÉNA4 screens

Verdict

The call

The clearest difference is ads: 51 IÉNA at none against BetterflyBox's shown. 51 IÉNA also leads on update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

BetterflyBox ships an update every 2 months, 51 IÉNA every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level

BetterflyBox versus 51 IÉNA: the parameters behind the verdict, then further details
Parameter	BetterflyBox	51 IÉNA
Price	Free	Free
Update frequency	Every 2 months	Every 4 days — better
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.0 — better	15.1
Further details — not scored
Size	91 MB	100 MB
Age rating	4+	17+
Developer	Betterfly	NJJ Hospitality

In-app purchases

None

BetterflyBox

No in-app purchases

None

51 IÉNA

No in-app purchases

Questions

Is BetterflyBox free?

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

Is 51 IÉNA free?

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

Do BetterflyBox or 51 IÉNA have ads?

BetterflyBox shows ads; 51 IÉNA does not.

Which is updated more often, BetterflyBox or 51 IÉNA?

BetterflyBox ships an update every 2 months, and 51 IÉNA every 4 days. Most recently, BetterflyBox was updated on October 25, 2026 and 51 IÉNA on October 24, 2026.