Comparison

Delvr vs Abacus Plus+

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

Head to head
About

Delvr

Features
Read full description

How Delvr Works Delvr helps you understand any topic through layered explanations: โ€ข Simple โ€“ a clear, plain-language overview โ€ข Why / How โ€“ deeper context and reasoning โ€ข Expert Peek โ€“ a more advanced look for curious learners Users can enter a question and immediately explore explanations at different depths, all within a single flow. Access & Usage โ€ข Delvr is currently fully free to use. โ€ข No account, login, or subscription is required. โ€ข All explanation layers are available without restrictions.

About

Abacus Plus+

Features
Read full description

Abacus Plus makes learning mental math simple, fun, and effective โ€” for kids and adults alike. Using the time-tested abacus method, Abacus Plus helps you build lightning-fast calculation skills through interactive practice, visual bead-based learning, and progressive difficulty levels. WHY ABACUS PLUS? - Learn the traditional abacus technique step by step - Practice addition, subtraction, multiplication, and division - Colorful, intuitive interface designed for focus and engagement - Track your speed and accuracy over time - Structured levels that grow with your skill PERFECT FOR - Kids building foundational math skills - Students preparing for competitive exams - Anyone who wants to sharpen mental calculation speed - Parents looking for a screen-time activity with real educational value HOW IT WORKS Abacus Plus combines the classic abacus method with modern, gamified practice sessions. Each exercise reinforces number sense and mental calculation, helping you go from counting beads to solving problems entirely in your head. Download Abacus Plus today and start your journey to faster, sharper mental math. LEGAL Privacy Policy: https://vijayvir.github.io/abacus_PrivacyPolicy.txt Terms of Use: https://vijayvir.github.io/abacus_Terms.txt Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support & Contact: virvijay37@gmail.com Made by Vijayvir Singh (Antfire Labs).

Screenshots

Delvr4 screens
Abacus Plus+4 screens

Verdict

The call

The clearest difference is price: Delvr at Free against Abacus Plus+'s $2.99. Delvr also leads on iOS requirement (15.1 vs 26.5). Abacus Plus+'s advantage is update cadence (every 4 days vs fortnightly). On ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Delvr is free to download; Abacus Plus+ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Delvr ships an update fortnightly, Abacus Plus+ every 4 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard3 real differences ยท 3 level
Delvr versus Abacus Plus+: the parameters behind the verdict, then further details
ParameterDelvrAbacus Plus+
PriceFree โ€” better$2.99
Update frequencyFortnightlyEvery 4 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better26.5
Further details โ€” not scored
Size38 MB10 MB
Age rating4+4+
DeveloperMaevin Labs LLCVijayvir Singh

In-app purchases

None

Delvr

No in-app purchases

None

Abacus Plus+

No in-app purchases

Questions

Is Delvr free?
Delvr is free to download, with no in-app purchases.
Is Abacus Plus+ free?
Abacus Plus+ costs $2.99, with no in-app purchases.
Do Delvr or Abacus Plus+ have ads?
Neither Delvr nor Abacus Plus+ shows ads.
Which is updated more often, Delvr or Abacus Plus+?
Delvr ships an update fortnightly, and Abacus Plus+ every 4 days. Most recently, Delvr was updated on November 8, 2026 and Abacus Plus+ on November 5, 2026.

Other comparisons