ACA Professional Exam Prep vs Tandem: Practice Languages

ACA Professional Exam Prep

Monynith Sovann
App Store
$400/mo
~$4.8K/yr · 2K installs
VS

Tandem: Practice Languages

Tripod Technology GmbH
App Store
$624.0K/mo
~$7.49M/yr · 4.1M installs
Revenue winner Tandem: Practice Languages wins +155898% vs other
Installs winner Tandem: Practice Languages wins +274240% vs other
MAU winner Tandem: Practice Languages wins +609817% vs other
Rating winner Tandem: Practice Languages wins +460% vs other

Why Tandem: Practice Languages is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Tandem: Practice Languages earns roughly 1560× more per month than ACA Professional Exam Prep - $624.0K vs $400.
  2. Subscription model. Tandem: Practice Languages runs a $14.00/mo subscription that compounds; ACA Professional Exam Prep relies on one-shot IAP or ads.
  3. Bigger install base. Tandem: Practice Languages has ~4.1M lifetime installs vs ACA Professional Exam Prep's ~2K - 2743.4× the funnel top.
  4. Better app store reviews. Tandem: Practice Languages sits at 4.60★ vs 0.00★ - store algorithms reward higher-rated apps with more impressions.

→ Find more apps with this revenue gap · Full Tandem: Practice Languages report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

ACA Professional Exam Prep
vs
Tandem: Practice Languages
Monthly revenue (est.)?
$400
▶
$624.0K
Annual revenue (est.)
$4.8K
▶
$7.49M
Lifetime installs (est.)
2K
▶
4.1M
Monthly active users (est.)?
168
▶
1.0M
App Store rating
-
▶
4.60★
Total ratings
0
▶
37K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$14.00
IAP tiers detected
0 tiers
=
0 tiers

ACA Professional Exam Prep

Monynith Sovann
App Store
Category
Education
Price
USD9.99
Released
Jun 23, 2026
Last updated
Jun 23, 2026
File size
34.3 MB
Content rating
4+
Version
1.7.42
Languages
English
View full ACA Professional Exam Prep report →

Tandem: Practice Languages

Tripod Technology GmbH
App Store
Category
Education
Price
Free
Released
Feb 20, 2015
Last updated
Jul 1, 2026
File size
333.6 MB
Content rating
17+
Version
7.20.4
Languages
English, French, German, Italian, Japanese, Korean +8 more
View full Tandem: Practice Languages report →

ACA Professional Exam Prep trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Tandem: Practice Languages trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

ACA Professional Exam Prep App Store page →Tandem: Practice Languages App Store page →

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FAQ

Which makes more money, ACA Professional Exam Prep or Tandem: Practice Languages? v
Tandem: Practice Languages earns about $624.0K per month, while ACA Professional Exam Prep earns about $400. That is a 1560.0× revenue gap (~$623.6K more per month for Tandem: Practice Languages). Annual revenue: ACA Professional Exam Prep ≈ $4.8K/year, Tandem: Practice Languages ≈ $7.49M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ACA Professional Exam Prep or Tandem: Practice Languages? v
Tandem: Practice Languages leads with about 4.1M estimated downloads vs 2K for ACA Professional Exam Prep - a 2743.4× gap. ACA Professional Exam Prep's App Store downloads are estimated from 0 ratings × the standard 1:75 ratio. Tandem: Practice Languages's App Store downloads are estimated from 37K ratings.
Are ACA Professional Exam Prep and Tandem: Practice Languages in the same App Store category and competing for the same money? v
Yes - both apps sit in the Education category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
Do ACA Professional Exam Prep and Tandem: Practice Languages have in-app purchases? v
ACA Professional Exam Prep does not appear to offer in-app purchases on its public listing. Tandem: Practice Languages does not appear to offer in-app purchases. Monetization model: ACA Professional Exam Prep runs "Paid app ($9.99)", Tandem: Practice Languages runs "Subscription (~$14.00/mo, language)".
Which has better ratings, ACA Professional Exam Prep or Tandem: Practice Languages? v
Tandem: Practice Languages edges ahead with a higher overall score (gap of 4.6 stars). Rating volume: ACA Professional Exam Prep 0 ratings, Tandem: Practice Languages 37K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ACA Professional Exam Prep vs Tandem: Practice Languages revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $400 for ACA Professional Exam Prep and $624.0K for Tandem: Practice Languages are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Education) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare ACA Professional Exam Prep or Tandem: Practice Languages to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.