Comparison

GraphCalcPro2Go vs ODE Solver +

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

Head to head
About

GraphCalcPro2Go

This advanced scientific calculator offers ultra-high precision and a wide range of functions, replicating expensive handheld devices with added iOS capabilities. It supports both standard and RPN modes, includes built-in constants, and syncs across devices via iCloud. Users can also create graphs and share calculations.

Highlights
  • Ultra high precision and range
  • Standard (in-fix) and RPN modes
  • Built-in constants and unit conversions
  • iCloud sync across devices
  • Create and share graphs
  • Apple Watch compatibility
Features
Read full description

GraphCalcPro2Go is an advanced scientific calculator, offering features found on expensive handheld calculators, but with additional capabilities not possible with handhelds, thanks to iOS. Features include: • No ads. Ever. • Ultra high precision and range • Intuitive and easy to use • Standard (in-fix) and RPN modes • Built-in constants and unit conversions • iCloud sync With iCloud sync, you can synchronize your calculation history with GraphCalcPro2Go on all your iOS devices, and with GraphCalcPro on your Macs. Sharing feature allows you to share your calculation history with other users running GraphCalcPro2Go on their iOS devices and GraphCalcPro on their Macs. Additionally, you can create beautiful graphs with GCP2Go at the touch of a button. And now, you can run GCP2Go on your Apple Watch. GCP2Go on Apple Watch has the precision, performance, and all the scientific functions available on the iOS version - and graphing capability! Sync constants, and optionally history, between GCP2Go on your iPhone and your Apple Watch. Premium upgrade adds additional features, including: • Graph multiple equations simultaneously • Graph printing and sharing • Additional built-in constants, fully customizable • iCloud sync and sharing of user constants

About

ODE Solver +

This utility app calculates ordinary differential equations using the Runge-Kutta method. It offers a step width of 0.01 for its calculations.

Highlights
  • Ordinary differential equation calculation
  • Runge-Kutta method
  • Step width 0.01
Read full description

It is calculated using Runge-Kutta method (step width 0.01).

Screenshots

GraphCalcPro2Go4 screens
ODE Solver +3 screens

Verdict

The call

The clearest difference is rating: GraphCalcPro2Go at 4.6 against ODE Solver +'s 4.0. GraphCalcPro2Go also leads on ads (none vs shown) and ratings volume (42 vs 4). ODE Solver +'s advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 3 months). On price and device support 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. GraphCalcPro2Go sells 1 one-off in-app purchase. ODE Solver + asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GraphCalcPro2Go holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: GraphCalcPro2Go has 42 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

GraphCalcPro2Go ships an update every 3 months, ODE Solver + weekly. Both last shipped on October 24, 2026.

Scorecard7 real differences · 3 level
GraphCalcPro2Go versus ODE Solver +: the parameters behind the verdict, then further details
ParameterGraphCalcPro2GoODE Solver +
PriceFreeFree
Rating4.6 (42 ratings) — better4.0 (4 ratings)
Positive reviews80.0% of reviews—
Number of ratings42 — better4
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.614.0 — better
Further details — not scored
Size9 MB11 MB
Age rating4+4+
DeveloperStarware Software LLCTakahiko Nakade

Customer experience

GraphCalcPro2Go

All ratings40 ratings
Positive90.0%
Neutral5.0%
Negative5.0%
Written reviews10 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

ODE Solver +

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

GraphCalcPro2Go

One-time1
  • Premium$0.99
None

ODE Solver +

No in-app purchases

Questions

Is GraphCalcPro2Go free?
GraphCalcPro2Go is free to download, with in-app purchases available.
Is ODE Solver + free?
ODE Solver + is free to download, with no in-app purchases.
Which has better reviews, GraphCalcPro2Go or ODE Solver +?
GraphCalcPro2Go is rated higher. GraphCalcPro2Go averages 4.6 out of 5 from 42 ratings, while ODE Solver + averages 4.0 from 4 ratings.
Do GraphCalcPro2Go or ODE Solver + have ads?
ODE Solver + shows ads; GraphCalcPro2Go does not.
Which is updated more often, GraphCalcPro2Go or ODE Solver +?
GraphCalcPro2Go ships an update every 3 months, and ODE Solver + weekly. Most recently, GraphCalcPro2Go was updated on October 24, 2026 and ODE Solver + on October 24, 2026.

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